{"id":31140,"date":"2023-10-14T02:28:39","date_gmt":"2023-10-22T07:05:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/"},"modified":"2025-08-12T22:31:54","modified_gmt":"2025-08-12T14:31:54","slug":"%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/","title":{"rendered":"\u3010Java\u3011\u6cdb\u578b"},"content":{"rendered":"<h1>\u6cdb\u578b\uff08Generics\uff09\u662f\u6307<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4efb\u610f\u306e\u578b\u3092\u53d7\u3051\u4ed8\u3051\u308b\u30af\u30e9\u30b9\u30fb\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u578b\u3092\u5272\u308a\u5f53\u3066\u3066\u3001\u578b\u5c02\u7528\u306e\u30af\u30e9\u30b9\u3092\u751f\u6210\u3059\u308b\u6a5f\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3067\u30e1\u30f3\u30d0\u30fc\u8981\u7d20\u306e\u578b\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u4fdd\u8a3c\u3067\u304d\u308b<br \/>\n\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u3092\u5b9a\u7fa9\u3059\u308b<\/p>\n<p>class \u30af\u30e9\u30b9\u540d&lt;\u578b\u30d1\u30e9\u30e1\u30fc\u30bf,&#8230;&gt;{\u30af\u30e9\u30b9}<br \/>\nex:\u578b\u30d1\u30e9\u30e1\u30fc\u30bfE\u3092\u5ba3\u8a00 public class ArrayList extends AbstractList{<\/p>\n<p>\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\uff1a\u7279\u5b9a\u306e\u578b\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u5ba3\u8a00&lt;&#8230;&gt;\u306e\u90e8\u5206<\/p>\n<p>\u30a4\u30f3\u30bf\u30f3\u30b9\u306b\u306b\u4efb\u610f\u578b\u3092\u5272\u308a\u5f53\u3066\u308b<\/p>\n<p>T\uff08Type\uff09\u30fbE\uff08Element\uff09\u30fbK\uff08Key\uff09\u3001V\uff08Value\uff09<\/p>\n<p>\u578b\u5909\u6570\uff1a\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u5185\u3067\u5ba3\u8a00\u3055\u308c\u305f\u578b\u306e\u3053\u3068<\/p>\n<p>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30f3\u30d0\u30fc\u306e\u5f15\u6570\/\u623b\u308a\u5024<br \/>\n\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306e\u578b<br \/>\n\u30cd\u30b9\u30c8\u3057\u305f\u578b<\/p>\n<p>\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u969b\u306b\u3001ArrayList\u304c\u751f\u6210\u3055\u308c\u308b\u3002\u30af\u30e9\u30b9\u30e1\u30f3\u30d0\u30fc\u306e\u578b\u3068\u3057\u3066\u306f\u4f7f\u3048\u306a\u3044<\/p>\n<p>\u30a4\u30ec\u30a4\u30b8\u30e3\uff08Erasure\uff09\uff1a\u3053\u306e\u3088\u3046\u306b\u5b9f\u884c\u6642\u306b\u4e0d\u8981\u306a\u578b\u60c5\u5831\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306bObject\u578b\u306b\u5909\u63db\u3059\u308b\u3053\u3068<\/p>\n<p>\u5b9f\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\uff08\u578b\u5f15\u6570\uff09\uff1a\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u969b\u306b\u6307\u5b9a\u3059\u308b\u5177\u4f53\u7684\u306a\u578b\u306e\u3053\u3068\uff08Integer\u306a\u3069\uff09<\/p>\n<p>new ArrayList****\uff1a<\/p>\n<p>\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u3055\u308c\u305f\u578b\uff1a\u578b\u5f15\u6570\u3067\u7279\u5b9a\u306e\u578b\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u306e\u3053\u3068\uff08ArrayList\u306a\u3069\uff09<\/p>\n<p>new **ArrayList**\uff1a<\/p>\n<h2>\u7c7b\u578b\u53c2\u6570\u7684\u7ea6\u675f\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u5f15\u6570\u3092\u3082\u3064\u524d\u63d0\u306b\u3057\u305f\u3044<\/p>\n<p>\u4e0b\u8a18\u306e\u4f8b\u3067\u306f\u3001T\u578b\u306e\u5909\u6570x,y\u304c\u5fc5\u305acompareTo\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b<br \/>\ncompareTo\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064=Comparable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308bString,Integer,File\u306a\u3069\u306e\u30af\u30e9\u30b9<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u30a8\u30e9\u30fc<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GenericConstraint<\/span> <span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">int<\/span> <span class=\"nf\">Hoge<\/span><span class=\"o\">(<\/span><span class=\"no\">T<\/span> <span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"no\">T<\/span> <span class=\"n\">y<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">x<\/span><span class=\"o\">.<\/span><span class=\"na\">compareTo<\/span><span class=\"o\">(<\/span><span class=\"n\">y<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u2192\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u5236\u7d04\uff08\u5883\u754c\u578b\uff09\u3092\u4ed8\u4e0e<\/ul>\n<\/li>\n<\/ul>\n<p>&lt;\u578b\u30d1\u30e9\u30e1\u30fc\u30bf extends \u5883\u754c\u578b, ..&gt;<br \/>\ningBuilder\u5883\u754c\u578b\u3092\u6307\u5b9a\u3055\u308c\u305f\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306bObject\u578b\u3067\u306f\u306a\u304f\u5883\u754c\u578b\u306b\u5909\u63db\u3055\u308c\u308b<br \/>\n\u4ee5\u4e0b\u306e\u3088\u3046\u306bComparable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305fString\u578b\u306a\u3069\u306fGenericConstraint\u30af\u30e9\u30b9\u306b\u6e21\u305b\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/compareTo\u30e1\u30bd\u30c3\u30c9\u3092\u8a8d\u8b58\u3067\u304d\u308b\u4f8b<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GenericConstraint<\/span> <span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Comparable<\/span><span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">int<\/span> <span class=\"nf\">Hoge<\/span><span class=\"o\">(<\/span><span class=\"no\">T<\/span> <span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"no\">T<\/span> <span class=\"n\">y<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">x<\/span><span class=\"o\">.<\/span><span class=\"na\">compareTo<\/span><span class=\"o\">(<\/span><span class=\"n\">y<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span><span class=\"n\">\u3057<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5883\u754c\u578b\u306f\u30af\u30e9\u30b9\/\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u6307\u5b9a\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>implements\u3067\u306a\u304fextends<\/p>\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u8907\u6570\u6307\u5b9a\u53ef\u80fd<\/p>\n<p>\u30af\u30e9\u30b9\u306f1\u3064\u306e\u307f\uff08\u3082\u3057\u304f\u306f0\uff09<br \/>\n\u30af\u30e9\u30b9\u2192\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9806\u3067\u8a18\u8ff0<br \/>\npublic class MyGeneric {<\/p>\n<h2>\u6cdb\u578b\u65b9\u6cd5\u6784\u9020\u51fd\u6570 h\u00e9<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5f15\u6570\/\u623b\u308a\u5024\u30fb\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306a\u3069\u306e\u578b\u3092\u547c\u3073\u51fa\u3057\u6642\u306b\u6c7a\u3081\u3089\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u3053\u3068<\/ul>\n<\/li>\n<\/ul>\n<p>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u3068\u306f\u72ec\u7acb\u306a\u306e\u3067\u975e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u3067\u3082\u5b9a\u7fa9\u53ef\u80fd<\/p>\n<pre class=\"post-pre\"><code>[\u4fee\u98fe\u5b50]&lt;\u578b\u30d1\u30e9\u30e1\u30fc\u30bf&gt;\u623b\u308a\u5024\u578b \u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u306e\u578b \u5f15\u6570\u540d, ...)\r\n[throw\u53e5]{\r\n    \u30e1\u30bd\u30c3\u30c9\u672c\u4f53\r\n}\r\n<\/code><\/pre>\n<h2>\u5883\u754c\u7684\u91ce\u724c\u7c7b\u578b<br \/>\n\u5171\u5909\uff08covariant\uff09\uff1a\u914d\u5217\u3067\u306f\u6d3e\u751f\u30af\u30e9\u30b9\u3092\u57fa\u5e95\u30af\u30e9\u30b9\u306b\u4ee3\u5165\u3067\u304d\u308bParent\/Child\u306b\u7d99\u627f\u95a2\u4fc2\u304c\u3042\u308b\u5834\u5408Child[]\u306fParent[]\u306b\u4ee3\u5165\u3067\u304d\u308b<\/p>\n<p>Object[] data = new String[5];<br \/>\nObject\/String \u306b\u306f\u7d99\u627f\u95a2\u4fc2\u304c\u3042\u308b\u306e\u3067Object\u578b\u5165\u308c\u308b\u306bString\u914d\u5217\u306f\u4ee3\u5165\u53ef\u80fd<\/p>\n<p>data[1] = 10;\u306edata\u306e\u5b9f\u614b\u306fString[]\u306a\u306e\u3067ArrayStoreException<\/p>\n<p>\u4e0d\u5909\uff08invariant\uff09\uff1a\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/p>\n<p>Parent\/Child\u306b\u7d99\u627f\u95a2\u4fc2\u304c\u3042\u3063\u3066\u3082ArrayList\u306fArrayList\u306b\u4ee3\u5165\u3067\u304d\u306a\u3044<\/p>\n<p>ArrayList<object width=\"300\" height=\"150\">data = new ArrayList<string>();\/\/\u30a8\u30e9\u30fc<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/NG\u4f8b<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GenericBounded<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"c1\">\/\/List&lt;Parent&gt;\u578b\u306e\u30ea\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308a\u51fa\u529b<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">show<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Parent<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">var<\/span> <span class=\"n\">p<\/span> <span class=\"o\">:<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.ArrayList<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Arrays<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GenericBoundedBasic<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kt\">var<\/span> <span class=\"n\">cli<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">GenericBounded<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"kt\">var<\/span> <span class=\"n\">data1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ArrayList<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Parent<\/span><span class=\"o\">&gt;(<\/span><span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span>\r\n      <span class=\"k\">new<\/span> <span class=\"nf\">Parent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u304b\u3048\u308b\"<\/span><span class=\"o\">),<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Parent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u306b\u308f\u3068\u308a\"<\/span><span class=\"o\">),<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Parent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u3068\u3093\u307c\"<\/span><span class=\"o\">)));<\/span>\r\n\r\n    <span class=\"kt\">var<\/span> <span class=\"n\">data2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ArrayList<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Child<\/span><span class=\"o\">&gt;(<\/span><span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span>\r\n      <span class=\"k\">new<\/span> <span class=\"nf\">Child<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u304a\u305f\u307e\u3058\u3083\u304f\u3057\"<\/span><span class=\"o\">),<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Child<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u3072\u3088\u3053\"<\/span><span class=\"o\">),<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Child<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u3084\u3054\"<\/span><span class=\"o\">)));<\/span>\r\n    <span class=\"n\">cli<\/span><span class=\"o\">.<\/span><span class=\"na\">show<\/span><span class=\"o\">(<\/span><span class=\"n\">data1<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/OK<\/span>\r\n    <span class=\"c1\">\/\/List&lt;Parent&gt;\u578b\u306e\u5f15\u6570\u306bList&lt;Child&gt;\u578b\u306e\u5024\u306f\u6e21\u305b\u306a\u3044<\/span>\r\n    <span class=\"n\">cli<\/span><span class=\"o\">.<\/span><span class=\"na\">show<\/span><span class=\"o\">(<\/span><span class=\"n\">data2<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">show\u306f\u30ea\u30b9\u30c8\u306e\u4e2d\u8eab\u3092\u53c2\u7167\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u5024\u306e\u4ee3\u5165\u306f\u767a\u751f\u3057\u306a\u3044\u2192\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3067Parent\u578b\u3001\u307e\u305f\u306f\u305d\u306e\u6d3e\u751f\u578b\u3092\u8a8d\u3081\u308b\uff08\u5171\u5909\uff09List\u578b\u306e\u5f15\u6570\u306bList\u578b\u3092\u6e21\u305b\u308b\u3088\u3046\u306b\u306a\u308b\u8981\u7d20\u306e\u8ffd\u52a0\u3001\u66f4\u65b0\u306f\u3067\u304d\u306a\u3044\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u578b\u3067\u306f\u5883\u754c\u578b\u3067\u5024\u3092\u53c2\u7167\u3067\u304d\u308b\u3053\u3068\u306e\u307f<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GenericBounded<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"c1\">\/\/\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">show<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">&lt;?<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Parent<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">var<\/span> <span class=\"n\">p<\/span> <span class=\"o\">:<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u6807\u51c6\u5e93\u7684\u4e00\u4e2a\u4f8b\u5b50<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">addAll<\/span><span class=\"o\">(<\/span><span class=\"nc\">Collection<\/span><span class=\"o\">&lt;?<\/span> <span class=\"kd\">extends<\/span> <span class=\"no\">E<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">c<\/span><span class=\"o\">){<\/span>\r\n  <span class=\"nc\">Object<\/span><span class=\"o\">[]<\/span> <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"na\">toArray<\/span><span class=\"o\">();<\/span>\r\n<span class=\"c1\">\/\/\u7565<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">addAll(Collection<e> c\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u305f\u3089\u3001ArrayList\u578b\u306b\u5bfe\u3057ArrayList,ArrayList\u578b\u306a\u3069\u306e\u5024\u3092addAll\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u3046\u3053\u3068\u3067\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u578b\u306fCharSequence\/\u305d\u306e\u6d3e\u751f\u578b\u3092\u8a31\u5bb9\u3067\u304d\u308b<\/e><\/ul>\n<h2>\u4e0b\u9650\u5883\u754c\u7684\u91ce\u5361\u7c7b\u578b<\/p>\n<ul class=\"post-ul\">\u4e0a\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\uff1a\u6307\u5b9a\u5883\u754c\u578b\u3092\u4e0a\u9650\u3001\u305d\u306e\u4e0b\u4f4d\u578b\u3082\u8a8d\u3081\u308b\uff08&lt;? extends E&gt;\uff09\u4e0b\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\uff1a\u67b7\u578b\u306b\u5bfe\u3057\u3066\u57fa\u5e95\u578b\u3092\u6e21\u305b\u308b=\u53cd\u5909(&lt;? super T&gt;)addAll\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u4e0b\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u578bCollection&lt;? super T&gt; \u3067\u3001\u578bT\u3082\u3057\u304f\u306f\u305d\u306e\u4e0a\u4f4d\u578b\u3092\u8981\u7d20\u306b\u6301\u3064\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u6e21\u305b\u308baddAll\u306b\u4e0b\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u578b\u304c\u306a\u304b\u3063\u305f\u3089String\u578b\u8981\u7d20\u306e\u8ffd\u52a0\u306b\u306fArrayList<string>\u3067\u306a\u3044\u3068\u3044\u3051\u306a\u304b\u3063\u305f<\/string>PECS\u539f\u5247\uff1aProducer-Extends,Consumer-Super\u5024\u3092\u53d6\u5f97\u3059\u308b\u3060\u3051\u306e\u5f15\u6570\uff08\u751f\u7523\u8005\uff09\u306e\u6642\u306f\u4e0a\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u306e\u5f15\u6570\uff08\u6d88\u8cbb\u8005\uff09\u306e\u6642\u306f\u4e0b\u9650\u5883\u754c\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"o\">&lt;<\/span><span class=\"no\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">addAll<\/span><span class=\"o\">(<\/span><span class=\"nc\">Collection<\/span><span class=\"o\">&lt;?<\/span> <span class=\"kd\">super<\/span> <span class=\"no\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">c<\/span><span class=\"o\">,<\/span> <span class=\"no\">T<\/span><span class=\"o\">...<\/span> <span class=\"n\">elements<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n <span class=\"kt\">boolean<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"no\">T<\/span> <span class=\"n\">element<\/span> <span class=\"o\">:<\/span> <span class=\"n\">elements<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">result<\/span> <span class=\"o\">|=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"na\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">element<\/span><span class=\"o\">);<\/span>\r\n <span class=\"k\">return<\/span> <span class=\"n\">result<\/span><span class=\"o\">;<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ArrayList&lt;Object&gt;\u306b\u5bfe\u3057\u3066String\u578b\u306e\u8981\u7d20\u306e\u8ffd\u52a0\u3092\u8a31\u5bb9<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.ArrayList<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Collections<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">LowerBoundedBasic<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kt\">var<\/span> <span class=\"n\">list<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ArrayList<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Object<\/span><span class=\"o\">&gt;();<\/span>\r\n    <span class=\"nc\">Collections<\/span><span class=\"o\">.<\/span><span class=\"na\">addAll<\/span><span class=\"o\">(<\/span><span class=\"n\">list<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"neko\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"inu\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"tori\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">list<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/[neko, inu, tori]<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u975e\u5883\u754c\u91ce\u724c\u7c7b\u578b<\/p>\n<ul class=\"post-ul\">\u5883\u754c\u578b\u3092\u6301\u305f\u306a\u3044List&lt;?&gt;\u3088\u3046\u306b\u6307\u5b9a\u6ce8\u610f\uff1a\u578b\u5b89\u5168\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u306fT\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u306a\u3044\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3068\u306a\u308bT\u306f\u5168\u90e8object\u578b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">UnBounded<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">showList<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">&lt;?&gt;<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">var<\/span> <span class=\"n\">item<\/span> <span class=\"o\">:<\/span> <span class=\"n\">list<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">item<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"c1\">\/\/list.add(\"Hoge\");\/\/\u578b\u304c\u6c7a\u307e\u3063\u3066\u306a\u3044\u306e\u3067\u5024\u306e\u5f15\u304d\u6e21\u3057\u4e0d\u53ef<\/span>\r\n    <span class=\"c1\">\/\/list.add(null);  \/\/\u4f8b\u5916\u7684\u306bnull\u306fOK<\/span>\r\n    <span class=\"c1\">\/\/ Object obj = list.get(0); \/\/\u53d6\u5f97\u3057\u305f\u7d50\u679c\u306fString\u578b\u3067\u306f\u306a\u304fObject\u578b!!<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p><\/string><\/object><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6cdb\u578b\uff08Generics\uff09\u662f\u6307 \u4efb\u610f\u306e\u578b\u3092\u53d7\u3051\u4ed8\u3051\u308b\u30af\u30e9\u30b9\u30fb\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u578b\u3092\u5272\u308a\u5f53\u3066\u3066\u3001\u578b\u5c02\u7528\u306e\u30af\u30e9\u30b9 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31140","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Java\u3011\u6cdb\u578b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u6cdb\u578b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u3011\u6cdb\u578b\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u6cdb\u578b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-22T07:05:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T14:31:54+00:00\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/\",\"name\":\"\u3010Java\u3011\u6cdb\u578b - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-10-22T07:05:26+00:00\",\"dateModified\":\"2025-08-12T14:31:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\"},\"description\":\"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010Java\u3011\u6cdb\u578b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\",\"name\":\"\u97f5, \u79d1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"caption\":\"\u97f5, \u79d1\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u3010Java\u3011\u6cdb\u578b - Blog - Silicon Cloud","description":"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u6cdb\u578b\/","og_locale":"zh_CN","og_type":"article","og_title":"\u3010Java\u3011\u6cdb\u578b","og_description":"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u6cdb\u578b\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-10-22T07:05:26+00:00","article_modified_time":"2025-08-12T14:31:54+00:00","author":"\u97f5, \u79d1","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u97f5, \u79d1","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/","name":"\u3010Java\u3011\u6cdb\u578b - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-10-22T07:05:26+00:00","dateModified":"2025-08-12T14:31:54+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e"},"description":"\u5173\u4e8e\u3010Java\u3011\u6cdb\u578b\u7684\u6280\u672f\u6587\u7ae0","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u3010Java\u3011\u6cdb\u578b"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e","name":"\u97f5, \u79d1","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","caption":"\u97f5, \u79d1"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%b3%9b%e5%9e%8b\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=31140"}],"version-history":[{"count":3,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31140\/revisions"}],"predecessor-version":[{"id":111878,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31140\/revisions\/111878"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=31140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=31140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=31140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}