{"id":36862,"date":"2024-11-26T12:20:52","date_gmt":"2024-11-26T04:20:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36862\/"},"modified":"2024-11-26T12:20:52","modified_gmt":"2024-11-26T04:20:52","slug":"java%e6%80%8e%e4%b9%88%e6%b7%bb%e5%8a%a0%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36862\/","title":{"rendered":"java\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff0c\u9010\u4e2a\u8d4b\u503c\u5143\u7d20\uff1b2. \u4f7f\u7528 java.util.list \u7c7b\u7684 add() \u65b9\u6cd5\uff0c\u8be5\u7c7b\u662f\u4e00\u4e2a\u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u7684\u52a8\u6001\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u6dfb\u52a0\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20<\/h2>\n

\u5728 Java \u4e2d\uff0c\u6709\u4e24\u79cd\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528\u5faa\u73af<\/h3>\n

\u4f7f\u7528\u5faa\u73af\u662f\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

for (int i = 0; i < array.length; i++) {\n    array[i] = element;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6574\u4e2a\u957f\u5ea6\uff0c\u9010\u4e2a\u5411\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u3002<\/p>\n
2. \u4f7f\u7528 List \u7c7b<\/h3>\n
Java \u8fd8\u63d0\u4f9b\u4e86 java.util.List \u7c7b\uff0c\u5b83\u662f\u4e00\u4e2a\u52a8\u6001\u6570\u7ec4\uff0c\u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
List<Type> list = new ArrayList<>();\nlist.add(element);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
ArrayList \u662f List \u7684\u4e00\u4e2a\u5b9e\u73b0\u7c7b\uff0c\u5b83\u662f\u672a\u6392\u5e8f\u4e14\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u7684\u52a8\u6001\u6570\u7ec4\u3002<\/p>\n
\u793a\u4f8b<\/h3>\n
\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff1a<\/p>\n
\u4f7f\u7528\u5faa\u73af\uff1a<\/strong><\/p>\n
int[] numbers = new int[5];\nfor (int i = 0; i < numbers.length; i++) {\n    numbers[i] = i + 1; \/\/ \u5c06 1 \u5230 5 \u7684\u503c\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\n}\n\nfor (int number : numbers) {\n    System.out.println(number); \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 List \u7c7b\uff1a<\/strong><\/p>\n
List<String> names = new ArrayList<>();\nnames.add(\"John\");\nnames.add(\"Jane\");\nnames.add(\"Bob\");\n\nfor (String name : names) {\n    System.out.println(name); \/\/ \u6253\u5370\u5217\u8868\u4e2d\u7684\u5143\u7d20\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6dfb\u52a0\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":"
\u5728 java \u4e2d\uff0c\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u957f\u5ea6\uff0c\u9010\u4e2a\u8d4b\u503c\u5143\u7d20\uff1b2. \u4f7f\u7528 java.util.list \u7c7b\u7684 add() \u65b9\u6cd5\uff0c\u8be5\u7c7b\u662f\u4e00\u4e2a\u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u7684\u52a8\u6001\u6570\u7ec4\u3002 Java \u4e2d\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20 \u5728 Java \u4e2d\uff0c\u6709\u4e24\u79cd\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\uff1a 1. \u4f7f\u7528\u5faa\u73af \u4f7f\u7528\u5faa\u73af\u662f\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a for (int i = 0; i < array.length; i++) { array[i] = element; } \u767b\u5f55\u540e\u590d\u5236 \u6b64\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6574\u4e2a\u957f\u5ea6\uff0c\u9010\u4e2a\u5411\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u3002 2. \u4f7f\u7528 List \u7c7b Java \u8fd8\u63d0\u4f9b\u4e86 java.util.List \u7c7b\uff0c\u5b83\u662f\u4e00\u4e2a\u52a8\u6001\u6570\u7ec4\uff0c\u5141\u8bb8\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b List<Type> list = new ArrayList<>(); list.add(element); \u767b\u5f55\u540e\u590d\u5236 ArrayList \u662f List \u7684\u4e00\u4e2a\u5b9e\u73b0\u7c7b\uff0c\u5b83\u662f\u672a\u6392\u5e8f\u4e14\u5141\u8bb8\u91cd\u590d\u5143\u7d20\u7684\u52a8\u6001\u6570\u7ec4\u3002 \u793a\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff1a […]<\/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-36862","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36862","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=36862"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36862\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}