{"id":1197,"date":"2022-10-26T23:00:40","date_gmt":"2022-10-26T15:00:40","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1197"},"modified":"2022-11-27T12:39:48","modified_gmt":"2022-11-27T04:39:48","slug":"%e9%9b%86%e5%90%88-%e6%96%b0%e7%89%b9%e6%80%a7foreach%e5%be%aa%e7%8e%af%e9%81%8d%e5%8e%86%e9%9b%86%e5%90%88%e6%88%96%e9%a1%b9%e7%9b%ae","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1197","title":{"rendered":"\u96c6\u5408-\u65b0\u7279\u6027foreach\u5faa\u73af\u904d\u5386\u96c6\u5408\u6216\u9879\u76ee"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P527;\r\n\r\nimport org.junit.jupiter.api.Test;\r\nimport top.qaqaq.java.P520.Person;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.Collection;\r\n\r\n\/**\r\n * jdk 5.0 \u65b0\u589e\u4e86foreach\u5faa\u73af\uff0c\u7528\u4e8e\u904d\u5386\u96c6\u5408\u3001\u6570\u7ec4\r\n *\r\n * @author RichieZhang\r\n * @create 2022-10-26 \u4e0b\u5348 12:46\r\n *\/\r\npublic class ForTest {\r\n\r\n    @Test\r\n    public void test1(){\r\n        Collection coll = new ArrayList();\r\n        coll.add(123);\r\n        coll.add(456);\r\n        coll.add(new Person(\"Jerry\", 20));\r\n        coll.add(new String(\"Tom\"));\r\n        coll.add(false);\r\n\r\n        \/\/for(\u96c6\u5408\u5143\u7d20\u7684\u7c7b\u578b \u5c40\u90e8\u53d8\u91cf : \u96c6\u5408\u5bf9\u8c61)\r\n        \/\/\u5185\u90e8\u4ecd\u7136\u8c03\u7528\u4e86\u8fed\u4ee3\u5668\u3002\r\n        for (Object obj : coll){\r\n            System.out.println(obj);\r\n        }\r\n    }\r\n\r\n    @Test\r\n    public void test2(){\r\n        int&#91;] arr = new int&#91;]{1,2,3,4,5,6};\r\n        \/\/for(\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b \u5c40\u90e8\u53d8\u91cf : \u6570\u7ec4\u5bf9\u8c61)\r\n        for (int i : arr){\r\n            System.out.println(i);\r\n        }\r\n    }\r\n\r\n    \/\/\u7ec3\u4e60\u9898\r\n    @Test\r\n    public void test3(){\r\n\r\n        String&#91;] arr = new String&#91;]{\"MM\",\"MM\",\"MM\"};\r\n\r\n        \/\/\u65b9\u5f0f\u4e00\uff1a\u666e\u901afor\u8d4b\u503c\r\n\/\/        for (int i = 0; i &lt; arr.length; i++) {\r\n\/\/            arr&#91;i] = \"GG\";\r\n\/\/        }\r\n\r\n        \/\/\u65b9\u5f0f\u4e8c\uff1a\u589e\u5f3afor\u5faa\u73af\r\n        for (String s : arr){\r\n            s = \"GG\";\r\n        }\r\n\r\n        for (int i = 0; i &lt; arr.length; i++) {\r\n            System.out.println(arr&#91;i]);\r\n        }\r\n\r\n\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-1197","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1197"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1197"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1197\/revisions"}],"predecessor-version":[{"id":1198,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1197\/revisions\/1198"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}