{"id":31450,"date":"2023-04-05T18:16:06","date_gmt":"2022-11-26T00:05:57","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e8%bf%9b%e8%a1%8cmap%e7%9a%84%e5%ad%98%e5%9c%a8%e6%a3%80%e6%9f%a5\/"},"modified":"2024-04-29T22:05:21","modified_gmt":"2024-04-29T14:05:21","slug":"%e4%bd%bf%e7%94%a8java%e8%bf%9b%e8%a1%8cmap%e7%9a%84%e5%ad%98%e5%9c%a8%e6%a3%80%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e8%bf%9b%e8%a1%8cmap%e7%9a%84%e5%ad%98%e5%9c%a8%e6%a3%80%e6%9f%a5\/","title":{"rendered":"\u4f7f\u7528Java\u8fdb\u884cMap\u7684\u5b58\u5728\u68c0\u67e5"},"content":{"rendered":"<h1>\u68c0\u67e5\u5730\u56fe\u662f\u5426\u5b58\u5728<\/h1>\n<p>\u4f60\u597d\u3002\u63d0\u5230\u5cf6\u6839\u7684\u8a71\uff0c\u5c31\u4e0d\u5f97\u4e0d\u63d0\u51fa\u96f2\u854e\u9ea5\uff0c\u4e0d\u904e\u4ed6\u5011\u5927\u7d04\u5728\u4e0b\u53483\u9ede\u95dc\u9580\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u8981\u53bb\u7684\u8a71\uff0c\u5348\u9910\u6642\u9593\u662f\u6700\u4f73\u9078\u64c7\u3002<\/p>\n<p>\u55ef\uff0c\u4eca\u5929\u6211\u60f3\u5230\u4e86\u4e00\u79cd\u6211\u4e2a\u4eba\u8ba4\u4e3a\u76f8\u5f53\u4e0d\u9519\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u6240\u4ee5\u6211\u4f1a\u653e\u5728\u67d0\u4e2a\u5730\u65b9\u4ee5\u5907\u5c06\u6765\u4f7f\u7528\u3002<br \/>\n\u6211\u4e0d\u592a\u6e05\u695a\u5b83\u7684\u5177\u4f53\u7528\u9014\u3002<\/p>\n<p>\u8ffd\u52a0\u8bf4\u660e\uff1a<br \/>\n\u5df2\u6dfb\u52a0\u4e86@yoshi389111\u5148\u751f\u7ed9\u51fa\u7684\u5efa\u8bae\u5185\u5bb9\u3002<br \/>\n\u4ee3\u78013<\/p>\n<h1>\u4ee3\u7801 m\u01ce)<\/h1>\n<p>\u666e\u901a\u6765\u8bf4\uff0c\u6216\u8005\u8bf4\u6211\u8fd9\u79cd\u7b80\u5355\u7684\u4eba\uff0c\u6211\u7a81\u7136\u60f3\u5230\u7684\u4ee3\u7801\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<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\t\t<span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">HashMap<\/span><span class=\"o\">&lt;&gt;();<\/span>\r\n\t\t<span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Thank you\"<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"azs\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Azasu\"<\/span><span class=\"o\">);<\/span>\r\n\r\n\t\t<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\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">));<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n\r\n\t<span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"nc\">Boolean<\/span> <span class=\"nf\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"nc\">Boolean<\/span> <span class=\"n\">exist<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n\r\n\t\t<span class=\"k\">if<\/span> <span class=\"o\">(!<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">))<\/span> <span class=\"o\">{<\/span>\r\n\t\t\t<span class=\"n\">exist<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n\t\t<span class=\"o\">}<\/span>\r\n\t\t<span class=\"k\">if<\/span> <span class=\"o\">(!<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"azs\"<\/span><span class=\"o\">))<\/span> <span class=\"o\">{<\/span>\r\n\t\t\t<span class=\"n\">exist<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n\t\t<span class=\"o\">}<\/span>\r\n\r\n\t\t<span class=\"k\">return<\/span> <span class=\"n\">exist<\/span><span class=\"o\">;<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u5b9f\u884c\u7d50\u679c -&gt; true\r\n<\/code><\/pre>\n<p>\u867d\u7136\u6211\u4e0d\u8ba4\u4e3a\u8fd9\u6837\u505a\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u6211\u60f3\u5230\u7684\u4ee3\u7801\u5982\u4e0b\u3002<\/p>\n<h1>\u8bf7\u7528\u4e2d\u6587\u8fdb\u884c\u4ee5\u4e0b\u77ed\u8bed\u7684\u540c\u4e49\u8f6c\u8ff0\uff0c\u4ec5\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a<\/h1>\n<p>\u4ee3\u78012<\/p>\n<pre class=\"post-pre\"><code>\t<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\t\t<span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">HashMap<\/span><span class=\"o\">&lt;&gt;();<\/span>\r\n\t\t<span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Thank you\"<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"azs\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Azasu\"<\/span><span class=\"o\">);<\/span>\r\n\r\n\t\t<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\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">));<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n\r\n\t<span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"nc\">Boolean<\/span> <span class=\"nf\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"c1\">\/\/ \u5fc5\u9808\u306eKey\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u8ffd\u52a0<\/span>\r\n\t\t<span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Boolean<\/span><span class=\"o\">&gt;<\/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\">Boolean<\/span><span class=\"o\">&gt;(){<\/span>\r\n\t\t\t<span class=\"o\">{<\/span>\r\n\t\t\t\t<span class=\"n\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">));<\/span>\r\n\t\t\t\t<span class=\"n\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"azs\"<\/span><span class=\"o\">));<\/span>\r\n\t\t\t<span class=\"o\">}<\/span>\r\n\t\t<span class=\"o\">};<\/span>\r\n\r\n\t\t<span class=\"c1\">\/\/ false \u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u8fd4\u5374<\/span>\r\n\t\t<span class=\"k\">return<\/span> <span class=\"o\">!<\/span><span class=\"n\">list<\/span><span class=\"o\">.<\/span><span class=\"na\">contains<\/span><span class=\"o\">(<\/span><span class=\"kc\">false<\/span><span class=\"o\">);<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u5b9f\u884c\u7d50\u679c -&gt; true\r\n<\/code><\/pre>\n<p>\u56e0\u4e3a &#8220;thx&#8221; \u548c &#8220;azs&#8221; \u5728map\u4e2d\u5b58\u5728\uff0c\u6240\u4ee5\u7ed3\u679c\u4e3atrue\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c1d\u8bd5\u5c06\u4e0d\u5b58\u5728\u4e8e\u5730\u56fe\u4e2d\u7684\u503c\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"nc\">Boolean<\/span> <span class=\"nf\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"c1\">\/\/ \u5fc5\u9808\u306eKey\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u8ffd\u52a0<\/span>\r\n\t\t<span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Boolean<\/span><span class=\"o\">&gt;<\/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\">Boolean<\/span><span class=\"o\">&gt;(){<\/span>\r\n\t\t\t<span class=\"o\">{<\/span>\r\n\t\t\t\t<span class=\"n\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">));<\/span>\r\n\t\t\t\t<span class=\"n\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"azs\"<\/span><span class=\"o\">));<\/span>\r\n\t\t\t\t<span class=\"n\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">containsKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"danke\"<\/span><span class=\"o\">));<\/span>\r\n\t\t\t<span class=\"o\">}<\/span>\r\n\t\t<span class=\"o\">};<\/span>\r\n\r\n\t\t<span class=\"c1\">\/\/ false \u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\u7d50\u679c\u3092\u8fd4\u5374<\/span>\r\n\t\t<span class=\"k\">return<\/span> <span class=\"o\">!<\/span><span class=\"n\">list<\/span><span class=\"o\">.<\/span><span class=\"na\">contains<\/span><span class=\"o\">(<\/span><span class=\"kc\">false<\/span><span class=\"o\">);<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u5b9f\u884c\u7d50\u679c -&gt; false\r\n<\/code><\/pre>\n<p>\u7531\u4e8e&#8221;danke&#8221;\u5728\u5730\u56fe\u4e2d\u4e0d\u5b58\u5728\uff0c\u6240\u4ee5\u8fd4\u56de\u4e86false\u3002<\/p>\n<h1>\u5bf9\u672a\u6765\u5145\u6ee1\u671f\u5f85<\/h1>\n<p>\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u503c\u589e\u52a0\u53ea\u9700\u589e\u52a0add\u64cd\u4f5c\uff0c\u56e0\u6b64\u76ee\u5149\u79fb\u52a8\u8f83\u5c11\uff0c\u6211\u8ba4\u4e3a\u8fd9\u662f\u4e2a\u597d\u65b9\u6cd5\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u53ea\u8981\u5728\u4e0d\u662f Map \u7684\u60c5\u51b5\u4e0b\u7f16\u5199\u8fd4\u56de\u5e03\u5c14\u503c\u7684 add \u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff0c\u6240\u4ee5\u65b9\u4fbf\u6027\u4e5f\u6ca1\u6709\u592a\u5927\u7684\u533a\u522b\uff0c\u8fd9\u4e5f\u662f\u6211\u559c\u6b22\u7684\u5730\u65b9\u3002<\/p>\n<p>\u5f53\u7279\u5b9a\u503c\u4e0d\u5b58\u5728\u65f6\uff0c\u8be5\u5904\u7406\u65b9\u6cd5\u975e\u5e38\u6709\u6548\uff0c\u800c\u4e14\u901a\u8fc7\u8fd9\u4e2a\u5904\u7406\u65b9\u6cd5\uff0c\u540e\u7eed\u7684\u5904\u7406\u5c31\u4e0d\u9700\u8981\u518d\u8fdb\u884c\u5b58\u5728\u6027\u68c0\u67e5\u4e86\u3002<\/p>\n<p>\u7ecf\u8fc7\u4e86\u8bb8\u591a\u5c1d\u8bd5\uff0c\u4f46\u6700\u540e\u4e5f\u6ca1\u60f3\u5230\u8be5\u600e\u4e48\u5e94\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u5bf9\u8fd9\u4e2a\u5b69\u5b50\u7684\u672a\u6765\u5bc4\u4e88\u4e86\u671f\u671b\u3002<\/p>\n<h1>\u8fd9\u6bb5\u4ee3\u7801\u7684\u4ef7\u503c\u88ab\u4f4e\u4f30\u4e86<\/h1>\n<p>\u901a\u8fc7\u4f7f\u7528List.of()\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u4e00\u4e2a\u5217\u8868\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528containsAll()\u65b9\u6cd5\u53ef\u4ee5\u4e00\u6b21\u6027\u641c\u7d22\u5217\u8868\u4e2d\u7684\u591a\u4e2a\u503c\u3002<br \/>\n\u975e\u5e38\u6e05\u6670\u548c\u4ee4\u4eba\u611f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">mapCheck<\/span><span class=\"o\">(<\/span><span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">map<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    \t<span class=\"k\">return<\/span> <span class=\"n\">map<\/span><span class=\"o\">.<\/span><span class=\"na\">keySet<\/span><span class=\"o\">().<\/span><span class=\"na\">containsAll<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"s\">\"thx\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"azs\"<\/span><span class=\"o\">));<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528keySet()\u65b9\u6cd5\u83b7\u53d6\u7684\u952e\u5217\u8868\u4e2d\uff0c\u5305\u542b\u4e86\u901a\u8fc7List.of()\u751f\u6210\u7684\u8981\u8fdb\u884c\u5b58\u5728\u68c0\u67e5\u7684\u952e\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528containsAll()\u65b9\u6cd5\u8fdb\u884c\u6574\u4f53\u68c0\u67e5\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u6e05\u6670\u5730\u4e86\u89e3\u60f3\u8981\u5bf9\u952e\u5217\u8868\u8fdb\u884c\u5b58\u5728\u68c0\u67e5\u7684\u610f\u56fe\uff0c\u5e76\u4e14\u80fd\u591f\u66f4\u52a0\u7b80\u6d01\u5730\u4e66\u5199\u4ee3\u7801\uff01<\/p>\n<p>\u6211\u5bf9Boolean\u7c7b\u578b\u548cboolean\u7c7b\u578b\u4e5f\u6709\u6240\u4e86\u89e3\u3002<\/p>\n<blockquote><p>\u800c\u4e14\uff0c\u96d6\u7136\u8207\u76f4\u63a5\u76f8\u95dc\uff0c\u4f46 Boolean \u662f\u4e00\u500b\u5305\u88dd\u985e\uff0c\u6703\u7522\u751f\u4e0d\u5fc5\u8981\u7684\u81ea\u52d5\u88dd\u7bb1\uff0c\u6240\u4ee5\u6211\u8a8d\u70ba\u9019\u500b\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u6700\u597d\u662f\u539f\u59cb\u6578\u64da\u985e\u578b\u7684 boolean\u3002<\/p><\/blockquote>\n<p>\u8bf7\u53c2\u8003<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; \u4f60\u597d\uff0c\u4f60\u80fd\u7528\u4e2d\u6587\u7ed9\u6211\u8bd1\u4e00\u4e0b\u4e0b\u9762\u7684\u53e5\u5b50\u5417\uff1f\u53ea\u9700\u8981\u4e00\u79cd\u7ffb\u8bd1\u5373\u53ef\uff1a@yoshi389111<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u68c0\u67e5\u5730\u56fe\u662f\u5426\u5b58\u5728 \u4f60\u597d\u3002\u63d0\u5230\u5cf6\u6839\u7684\u8a71\uff0c\u5c31\u4e0d\u5f97\u4e0d\u63d0\u51fa\u96f2\u854e\u9ea5\uff0c\u4e0d\u904e\u4ed6\u5011\u5927\u7d04\u5728\u4e0b\u53483\u9ede\u95dc\u9580\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u8981\u53bb\u7684\u8a71\uff0c\u5348\u9910 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31450","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>\u4f7f\u7528Java\u8fdb\u884cMap\u7684\u5b58\u5728\u68c0\u67e5 - Blog - Silicon Cloud<\/title>\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\/\u4f7f\u7528java\u8fdb\u884cmap\u7684\u5b58\u5728\u68c0\u67e5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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