{"id":31682,"date":"2023-10-13T14:31:53","date_gmt":"2022-11-14T03:17:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java-3\/"},"modified":"2024-05-04T04:02:18","modified_gmt":"2024-05-03T20:02:18","slug":"%e5%ad%a6%e4%b9%a0java-3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java-3\/","title":{"rendered":"\u5b66\u4e60Java &#8211; 3"},"content":{"rendered":"<h1>\u8fdb\u884c\u57fa\u672c\u8fd0\u7b97\u4e4b\u7c7b\u7684<\/h1>\n<p>\u5bf9\u6570\u5b57\u8fdb\u884c\u52a0\u6cd5\u548c\u51cf\u6cd5\u8fd0\u7b97\u4e4b\u7c7b\u7684\u64cd\u4f5c<\/p>\n<p>\u2022 \u8db3\u3057\u7b97 \u21d2 \u52a0\u53f7<br \/>\n\u2022 \u5f15\u304d\u7b97 \u21d2 \u51cf\u53f7<br \/>\n\u2022 \u639b\u3051\u7b97 \u21d2 \u4e58\u53f7<br \/>\n\u2022 \u5272\u308a\u7b97 \u21d2 \u9664\u53f7<br \/>\n\u2022 \u5272\u308a\u7b97\u306e\u4f59\u308a \u21d2 \u6a21\u8fd0\u7b97<\/p>\n<p>\u5728\u4e2d\u56fd\uff0c\u6211\u6700\u5173\u5fc3\u7684\u53ea\u662f\u201c\u9664\u6cd5\u7684\u4f59\u6570\u201d\u3002<br \/>\n\u6682\u65f6\u5148\u628a\u6bcf\u4e2a\u8ba1\u7b97\u5904\u7406\u653e\u5165\u5e38\u89c4\u7684\u57fa\u672c\u5f62\u5f0f\u8fdb\u884c\u5c1d\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Yomogi<\/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>\r\n        <span class=\"kt\">int<\/span> <span class=\"n\">a<\/span><span class=\"o\">,<\/span> <span class=\"n\">b<\/span><span class=\"o\">,<\/span> <span class=\"n\">result<\/span><span class=\"o\">;<\/span>       \r\n        <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">3<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"n\">b<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">2<\/span><span class=\"o\">;<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/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\">result<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">-<\/span> <span class=\"n\">b<\/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\">result<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">*<\/span> <span class=\"n\">b<\/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\">result<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">\/<\/span> <span class=\"n\">b<\/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\">result<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">%<\/span> <span class=\"n\">b<\/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\">result<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u30fb\u53d8\u91cf\u662f\u4e09\u4e2a\u6574\u6570\uff1aa\u3001b\u548cresult\u3002<br \/>\n\u30fb\u5c06\u8ba1\u7b97\u7ed3\u679c\u653e\u5165result\u5e76\u8fdb\u884c\u8f93\u51fa\u3002<br \/>\n\u30fbresult\u5728\u8f93\u51fa\u4e00\u6b21\u540e\uff0c\u53ef\u4ee5\u5728\u4e0b\u4e00\u6b21\u8ba1\u7b97\u4e2d\u91cd\u65b0\u4f7f\u7528\u3002<\/p>\n<p>\u6267\u884c (sh\u00ed<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0e0c37434c4406bec330\/7-0.jpeg\" alt=\"pic005.JPG\" \/><\/div>\n<p>\u54e6\uff0c\u539f\u6765\u662f\u8bf4%\uff0c3\u9664\u4ee52\u7b49\u4e8e1\u4f591\u3002\u53ea\u6709\u8fd9\u4e00\u90e8\u5206\u4f1a\u663e\u793a\u51fa\u6765\u3002<\/p>\n<p>\u4e0d\u8fc7\u8bdd\u8bf4\u56de\u6765\uff0c\u5149\u663e\u793a\u8ba1\u7b97\u7ed3\u679c\u5e76\u4e0d\u5bb9\u6613\u7406\u89e3\u3002<br \/>\n\u800c\u4e14\uff0c\u9664\u6cd5\uff08\/\uff09\u4e5f\u5e0c\u671b\u80fd\u663e\u793a\u5c0f\u6570\u70b9\u4ee5\u4e0b\u7684\u90e8\u5206\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e0b\u4e00\u6b65\u662f\u4f7f\u5c0f\u6570\u70b9\u53ef\u7528\uff0c\u5e76\u5728\u8ba1\u7b97\u7ed3\u679c\u4e4b\u524d\u653e\u5165\u8868\u793a\u8ba1\u7b97\u7c7b\u578b\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<h1>\u5728\u8ba1\u7b97\u4e2d\u4f7f\u7528\u6d6e\u70b9\u6570\u6765\u8868\u793a\u53d8\u91cf<\/h1>\n<p>\u6574\u6570\u88ab\u79f0\u4e3a\u300cint\u300d\uff0c\u4f46\u5982\u679c\u9700\u8981\u5c0f\u6570\u70b9\uff0c\u4f3c\u4e4e\u9700\u8981\u4f7f\u7528\u300cdouble\u300d\u3002<br \/>\n\u542c\u8bf4\u8fd8\u6709\u5176\u4ed6\u9009\u9879\uff0c\u5982\u300cfloat\u300d\uff0c\u4f46\u6211\u9009\u62e9\u5ffd\u7565\u8fd9\u70b9\uff0c\u5982\u679c\u9700\u8981\u65f6\u518d\u53bb\u5b66\u4e60\u5c31\u597d\u3002<\/p>\n<p>\u6d6e\u70b9\u6570\u7684\u53d8\u91cf\u4e3a &#8220;double&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code>double a, b, result;\r\na = 3.0;\r\nb = 2.0;\r\n\r\nresult = a \/ b;\r\n<\/code><\/pre>\n<p>\u5e94\u8be5\u53ef\u4ee5\u4f7f\u7528\u5c0f\u6570\u70b9\u3002<br \/>\n\u51b3\u5b9a\u540c\u65f6\u6267\u884c\u4ee5\u4e0b\u6587\u672c\u6dfb\u52a0\u5de5\u4f5c\u3002<\/p>\n<h1>\u5728\u8f93\u51fa\u65f6\uff0c\u8fde\u7eed\u663e\u793a\u5b57\u7b26\u4e32\u548c\u53d8\u91cf\u5185\u7684\u6570\u503c\u3002<\/h1>\n<p>\u76ee\u6807\u662f\u5728\u6267\u884c\u7ed3\u679c\u4e2d\u8f93\u51fa\u201ca \/ b = \u7b54\u6848\u201d\u3002<\/p>\n<p>\u30fb\u8f93\u51fa\u7684\u90e8\u5206\u201ca \/ b =\u201d\u4f5c\u4e3a\u5b57\u7b26\u4e32<br \/>\n\u30fb\u7b54\u6848\u90e8\u5206\u4ee5\u53d8\u91cf\u201cresult\u201d\u7684\u6570\u503c\u663e\u793a<br \/>\n\u30fb\u53ef\u4ee5\u4f7f\u7528print\u6216println\u5c06\u5b57\u7b26\u4e32\u548c\u53d8\u91cf\u8fde\u63a5\uff0c\u4f7f\u7528\u201c+\u201d<br \/>\n\u203b\u201c+\u201d\u5728\u6570\u5b66\u4e2d\u901a\u5e38\u8868\u793a\u52a0\u6cd5\u64cd\u4f5c\u7684\u610f\u601d<\/p>\n<p>\u8981\u5b9e\u73b0\u8fd9\u4e9b\uff0c\u53ef\u80fd\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>System.out.println(\"3.0 \/ 2.0 = \" + result);\r\n<\/code><\/pre>\n<p>\u628a\u5b83\u653e\u5728\u5e73\u5e38\u7684\u57fa\u672c\u5f62\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Yomogi<\/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>\r\n        <span class=\"kt\">double<\/span> <span class=\"n\">a<\/span><span class=\"o\">,<\/span> <span class=\"n\">b<\/span><span class=\"o\">,<\/span> <span class=\"n\">result<\/span><span class=\"o\">;<\/span>        \r\n        <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">3.0<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"n\">b<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">2.0<\/span><span class=\"o\">;<\/span>\r\n\r\n        <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">\/<\/span> <span class=\"n\">b<\/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=\"s\">\"3.0 \/ 2.0 = \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">result<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u2022 \u4f7f\u7528&#8221;double&#8221;\u5b9a\u7fa9\u53d8\u91cf<br \/>\n\u2022 \u5728println\u4e2d\u4f7f\u7528&#8221;+&#8221;\u5c06\u5b57\u7b26\u4e32\u548c\u53d8\u91cf\u8fde\u63a5\u5e76\u8f93\u51fa<\/p>\n<p>\u6267\u884c<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d0e0c37434c4406bec330\/25-0.jpeg\" alt=\"pic006.JPG\" \/><\/div>\n<p>\u5f53\u53d8\u91cf\u7c7b\u578b\u4e3aint\u65f6\uff0c\u4f59\u6570\u4f1a\u88ab\u820d\u53bb\u5e76\u4e14\u7b54\u6848\u4e3a&#8221;1&#8243;\uff0c\u800c\u5f53\u53d8\u91cf\u7c7b\u578b\u4e3adouble\u65f6\uff0c\u5219\u80fd\u6210\u529f\u663e\u793a\u4e3a&#8221;1.5&#8243;\u3002<\/p>\n<p>\u5728\u663e\u793a\u8ba1\u7b97\u7ed3\u679c\u4e4b\u524d\uff0c\u4e5f\u4f1a\u663e\u793a\u8868\u8fbe\u5f0f\uff0c\u5982\u6240\u60f3\u7684\u90a3\u6837\u3002<\/p>\n<h1>\u6574\u6570\u548c\u6d6e\u70b9\u6570\u7684\u6df7\u5408\u8ba1\u7b97<\/h1>\n<p>\u5728\u5c06\u6574\u6570\u548c\u6d6e\u70b9\u6570\u8fdb\u884c\u8ba1\u7b97\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u53d8\u91cf\u65f6\u8981\u5c0f\u5fc3\u3002<\/p>\n<p>\u867d\u7136\u53ef\u80fd\u4f1a\u6709\u5404\u79cd\u5404\u6837\u7684\u60c5\u51b5\uff0c\u4f46\u6211\u51b3\u5b9a\u5148\u8bb0\u4f4f\u4ee5\u4e0b6\u4e2a\u6a21\u5f0f\u3002<\/p>\n<p>\u5c06\u6574\u6570\u548c\u6d6e\u70b9\u6570\u7684\u7ed3\u679c\u5b58\u5165\u6d6e\u70b9\u6570\u53d8\u91cf\u4e2d\u21d2\u53ef\u4ee5<\/p>\n<pre class=\"post-pre\"><code>double result;\r\nresult = 3 - 1.5;\r\n<\/code><\/pre>\n<p>\u300cresult\u300d\u91cc\u9762\u4f1a\u653e\u5165\u300c1.5\u300d\u3002<br \/>\n\u4f3c\u4e4e\u4f1a\u8f6c\u6362\u6210\u6d6e\u70b9\u6570\uff1f<\/p>\n<p>\u5c06\u6574\u6570\u548c\u6d6e\u70b9\u6570\u7684\u7ed3\u679c\u5b58\u5165\u6574\u6570\u53d8\u91cf\u4e2d\u21d2\u4e0d\u884c<\/p>\n<pre class=\"post-pre\"><code>int result;\r\nresult = 3 - 1.5;\r\n<\/code><\/pre>\n<p>\u6267\u884c\u540e\u4f1a\u51fa\u9519\u3002<br \/>\n\u4f3c\u4e4e\u4e0d\u80fd\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u610f\u8bc6\u5230\u6211\u5728\u2460\u7684\u65f6\u5019\u8bef\u89e3\u4e86\u4e8b\u60c5\u3002<br \/>\n\u6211\u539f\u672c\u4ee5\u4e3a\u662f\u5728\u5c06\u53d8\u91cf\u5206\u914d\u7ed9\u6574\u6570\u7684\u65f6\u5019\u8fdb\u884c\u8f6c\u6362\u6210\u6d6e\u70b9\u6570\uff0c\u4f46\u662f\u5728\u8fdb\u884c\u8ba1\u7b97\u7684\u65f6\u5019\u624d\u8f6c\u6362\u6210\u6d6e\u70b9\u6570\u7684\u5417\uff1f<\/p>\n<p>\u6240\u4ee5\u8bf4\uff0c\u4f7f\u7528\u4ee5double\u5b9a\u4e49\u7684\u53d8\u91cf\u662f\u53ef\u884c\u7684\uff0c\u800c\u4f7f\u7528\u4ee5int\u5b9a\u4e49\u7684\u53d8\u91cf\u662f\u4e0d\u53ef\u884c\u7684\u3002<\/p>\n<p>\u5c06\u6574\u6570\u4e4b\u95f4\u7684\u8ba1\u7b97\u7ed3\u679c\u5b58\u5165\u6d6e\u70b9\u6570\u53d8\u91cf\u21d2\u53ef\u4ee5<\/p>\n<pre class=\"post-pre\"><code>double result;\r\nresult = 3 \/ 2;\r\n<\/code><\/pre>\n<p>\u300c\u7ed3\u679c\u300d\u4e2d\u8f93\u5165\u4e86\u300c1.0\u300d\u3002<br \/>\n\u7531\u4e8e\u8ba1\u7b97\u662f\u4ee5\u6574\u6570\u65b9\u5f0f\u8fdb\u884c\u7684\uff0c\u5c0f\u6570\u70b9\u4ee5\u4e0b\u5c06\u88ab\u820d\u53bb\u3002<\/p>\n<p>\u55ef\uff1f\u53ef\u80fd\u5728\u5c06\u5176\u653e\u5165\u53d8\u91cf\u65f6\u8fdb\u884c\u8f6c\u6362\uff1f<br \/>\n\u65e0\u8bba\u8ba1\u7b97\u65f6\u8fd8\u662f\u5728\u8d4b\u503c\u7ed9\u53d8\u91cf\u65f6\uff0c\u53ef\u80fd\u90fd\u4f1a\u8f6c\u6362\u4e3adouble\u7c7b\u578b\u3002<\/p>\n<p>\u5c06\u6d6e\u70b9\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\u5b58\u5165\u6574\u6570\u53d8\u91cf\u4e2d\u21d2\u4e0d\u53ef\u884c<\/p>\n<pre class=\"post-pre\"><code>int result;\r\nresult = 3.0 \/ 2.0;\r\n<\/code><\/pre>\n<p>\u8fd0\u884c\u65f6\u4f1a\u51fa\u9519\u3002<\/p>\n<p>\u5f53\u2461\u6216\u2463\u53d1\u751f\u65f6\uff0c\u5c06\u6d6e\u70b9\u6570\u503c\u5b58\u5165\u6574\u6570\u53d8\u91cf\u4e2d\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u65b9\u6cd5\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>int result;\r\nresult = (int)(3.0 - 1.5);\r\n<\/code><\/pre>\n<p>\u5728\u62ec\u53f7\u4e2d\u52a0\u4e0a&#8221;(int)&#8221;\uff0c\u53ef\u4ee5\u5f3a\u5236\u5c06\u8ba1\u7b97\u5f0f\u8f6c\u6362\u4e3a\u6574\u6570\u3002<br \/>\n\u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06\u8ba1\u7b97\u7ed3\u679c\u653e\u5165\u6574\u6570\u53d8\u91cf(result)\u4e2d\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5f53\u8f6c\u6362\u4e3a\u6574\u6570\u65f6\uff0c\u5c0f\u6570\u70b9\u540e\u9762\u7684\u90e8\u5206\u4f1a\u88ab\u820d\u53bb\uff0c\u56e0\u6b64&#8221;result&#8221;\u4e2d\u5c06\u53ea\u4f1a\u5305\u542b\u6570\u5b57&#8221;1&#8243;\u3002<\/p>\n<p>\u53ef\u4ee5\u5f3a\u5236\u5c06\u6574\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\u8f6c\u6362\u4e3adouble\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code>double result;\r\nresult = (double)(3 \/ 2);\r\n<\/code><\/pre>\n<p>\u300c\u7ed3\u679c\u300d\u4e2d\u5c06\u4f1a\u88ab\u8d4b\u503c\u4e3a\u300c1.0\u300d\u3002<br \/>\n\u7531\u4e8e\u8ba1\u7b97\u662f\u4ee5\u6574\u6570\u5f62\u5f0f\u8fdb\u884c\u7684\uff0c\u6240\u4ee5\u5c0f\u6570\u90e8\u5206\u5c06\u88ab\u820d\u53bb\u3002<br \/>\n\u7136\u540e\u4f3c\u4e4e\u4f1a\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002<\/p>\n<p>\u8fd9\u548c\u2462\u4e00\u6837\u5427\uff1f\u4e0d\u52a0\u4e0a&#8221;(double)&#8221;\u4e5f\u80fd\u8f6c\u4e3a\u6d6e\u70b9\u6570\u3002<br \/>\n\u867d\u7136\u6211\u89c9\u5f97\u53ef\u80fd\u4e0d\u4f1a\u7528\u5230\uff0c\u4f46\u8fd8\u662f\u5148\u8bb0\u4e0b\u6765\u5427\u3002<\/p>\n<p>\u8fd9\u6b21\u5c31\u5230\u8fd9\u91cc\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u884c\u57fa\u672c\u8fd0\u7b97\u4e4b\u7c7b\u7684 \u5bf9\u6570\u5b57\u8fdb\u884c\u52a0\u6cd5\u548c\u51cf\u6cd5\u8fd0\u7b97\u4e4b\u7c7b\u7684\u64cd\u4f5c \u2022 \u8db3\u3057\u7b97 \u21d2 \u52a0\u53f7 \u2022 \u5f15\u304d\u7b97 \u21d2 \u51cf\u53f7 \u2022 \u639b\u3051\u7b97 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31682","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>\u5b66\u4e60Java - 3 - 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\/\u5b66\u4e60java-3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5b66\u4e60Java - 3\" \/>\n<meta property=\"og:description\" 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