{"id":67059,"date":"2025-05-03T13:36:03","date_gmt":"2025-05-03T05:36:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67059\/"},"modified":"2025-05-03T13:36:03","modified_gmt":"2025-05-03T05:36:03","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e9%81%8d%e5%8e%86%e4%b8%80%e4%b8%aa%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67059\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  \u904d\u5386 java \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u589e\u5f3a for \u5faa\u73af\uff1b2. \u4f20\u7edf for \u5faa\u73af\uff1b3. arrays.stream() \u65b9\u6cd5\uff1b4. java 8 stream api\uff1b5. iterator\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111817301631786.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u904d\u5386 Java <\/strong><\/p>\n<p>\u8981\u904d\u5386 Java \u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af<\/strong><\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\n\nfor (String s : arr) {\n  \/\/ \u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\n\nfor (int i = 0; i &lt; arr.length; i++) {\n  \/\/ \u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.stream() \u65b9\u6cd5<\/strong><\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\n\nArrays.stream(arr).forEach(s -&gt; {\n  \/\/ \u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Java 8 Stream API<\/strong><\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\n\nStream.of(arr).forEach(s -&gt; {\n  \/\/ \u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u4f7f\u7528 Iterator<\/strong><\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\n\nIterator&lt;String&gt; it = Arrays.asList(arr).iterator();\n\nwhile (it.hasNext()) {\n  \/\/ \u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9009\u62e9\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u7a0b\u5e8f\u573a\u666f\u548c\u504f\u597d\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u904d\u5386 java \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u589e\u5f3a for \u5faa\u73af\uff1b2. \u4f20\u7edf for \u5faa\u73af\uff1b3. arrays.stream() \u65b9\u6cd5\uff1b4. java 8 stream api\uff1b5. iterator\u3002 \u5982\u4f55\u904d\u5386 Java \u8981\u904d\u5386 Java \u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af String[] arr = {&#8220;Java&#8221;, &#8220;Python&#8221;, &#8220;C++&#8221;}; for (String s : arr) { \/\/ \u5bf9\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406 } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] arr = {&#8220;Java&#8221;, &#8220;Python&#8221;, &#8220;C++&#8221;}; for (int i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-67059","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=67059"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67059\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}