{"id":35388,"date":"2024-11-26T16:48:52","date_gmt":"2024-11-26T08:48:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35388\/"},"modified":"2024-11-26T16:48:52","modified_gmt":"2024-11-26T08:48:52","slug":"java%e4%b8%ad%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%80%8e%e4%b9%88%e6%94%be%e5%9c%a8%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35388\/","title":{"rendered":"java\u4e2d\u5b57\u7b26\u4e32\u600e\u4e48\u653e\u5728\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5c06\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u4f7f\u7528 object \u6570\u7ec4\u5e76\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u3002\u4f7f\u7528 arraylist \u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402062883314.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u5b57\u7b26\u4e32\u600e\u4e48\u653e\u5728\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u5b57\u7b26\u4e32\u600e\u4e48\u653e\u5728\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06\u5b57\u7b26\u4e32\u653e\u5728 Java \u6570\u7ec4\u4e2d<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5c06\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5b9e\u73b0\uff1a<\/p>\n<p><strong>1. <\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] stringArray = {\"Hello\", \"World\", \"Java\"};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. Object \u6570\u7ec4<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a Object \u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\uff0c\u4f46\u9700\u8981\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1a<\/p>\n<pre>Object[] objectArray = {\"Hello\", \"World\", \"Java\"};\nString string1 = (String) objectArray[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. ArrayList<\/strong><\/p>\n<p>ArrayList \u662f\u4e00\u79cd\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\uff0c\u4e5f\u53ef\u7528\u4e8e\u5b58\u50a8\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>ArrayList&lt;String&gt; stringList = new ArrayList&lt;&gt;();\nstringList.add(\"Hello\");\nstringList.add(\"World\");\nstringList.add(\"Java\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u589e\u5f3a for \u5faa\u73af<\/strong><\/p>\n<p>\u589e\u5f3a for \u5faa\u73af\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u5206\u914d\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff1a<\/p>\n<pre>String[] stringArray = {\"Hello\", \"World\", \"Java\"};\nfor (String string : stringArray) {\n    System.out.println(string);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u5b57\u7b26\u4e32\u600e\u4e48\u653e\u5728\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u5c06\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u4f7f\u7528 object \u6570\u7ec4\u5e76\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u3002\u4f7f\u7528 arraylist \u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002 \u5982\u4f55\u5c06\u5b57\u7b26\u4e32\u653e\u5728 Java \u6570\u7ec4\u4e2d \u5728 Java \u4e2d\uff0c\u5c06\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5b9e\u73b0\uff1a 1. \u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] stringArray = {&#8220;Hello&#8221;, &#8220;World&#8221;, &#8220;Java&#8221;}; \u767b\u5f55\u540e\u590d\u5236 2. Object \u6570\u7ec4 \u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a Object \u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\uff0c\u4f46\u9700\u8981\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff1a Object[] objectArray = {&#8220;Hello&#8221;, &#8220;World&#8221;, &#8220;Java&#8221;}; String string1 = (String) objectArray[0]; \u767b\u5f55\u540e\u590d\u5236 3. ArrayList ArrayList \u662f\u4e00\u79cd\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\uff0c\u4e5f\u53ef\u7528\u4e8e\u5b58\u50a8\u5b57\u7b26\u4e32\uff1a ArrayList&lt;String&gt; stringList = new ArrayList&lt;&gt;(); stringList.add(&#8220;Hello&#8221;); stringList.add(&#8220;World&#8221;); stringList.add(&#8220;Java&#8221;); [&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-35388","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35388","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=35388"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35388\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}