{"id":65695,"date":"2025-05-03T16:47:30","date_gmt":"2025-05-03T08:47:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65695\/"},"modified":"2025-05-03T16:47:30","modified_gmt":"2025-05-03T08:47:30","slug":"java%e9%81%8d%e5%8e%86%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65695\/","title":{"rendered":"java\u904d\u5386\u6570\u7ec4\u600e\u4e48\u7528"},"content":{"rendered":"

\n \u95ee\u9898\uff1a \u5982\u4f55\u4f7f\u7528 java \u904d\u5386\u6570\u7ec4\uff1f\u7b54\u6848\uff1a \u6709\u51e0\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u57fa\u672c for \u5faa\u73af\u3001\u589e\u5f3a for \u5faa\u73af\uff08java 5 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u3001while \u5faa\u73af\u548c java 8 streams\uff08java 8 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u3002\n<\/p><\/blockquote>\n

\"java\u904d\u5386\u6570\u7ec4\u600e\u4e48\u7528\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4<\/strong><\/p>\n

\u8981\u904d\u5386 Java \u6570\u7ec4\uff0c\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a<\/p>\n

1. \u57fa\u672c for \u5faa\u73af<\/strong><\/p>\n

for \u5faa\u73af\u662f\u904d\u5386\u6570\u7ec4\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u5b83\u5141\u8bb8\u60a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[] myArray = {1, 2, 3, 4, 5};\nfor (int i = 0; i < myArray.length; i++) {\n    System.out.println(myArray[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u589e\u5f3a for \u5faa\u73af\uff08Java 5 \u53ca\u66f4\u9ad8\u7248\u672c\uff09<\/strong><\/p>\n
\u589e\u5f3a for \u5faa\u73af\uff08\u4e5f\u79f0\u4e3a for-each \u5faa\u73af\uff09\u662f\u904d\u5386\u6570\u7ec4\u7684\u7b80\u5199\u3002\u5b83\u4f7f\u7528\u9690\u5f0f\u8fed\u4ee3\u5668\uff0c\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\u3002<\/p>\n
int[] myArray = {1, 2, 3, 4, 5};\nfor (int num : myArray) {\n    System.out.println(num);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. while \u5faa\u73af<\/strong><\/p>\n
while \u5faa\u73af\u53ef\u4ee5\u7528\u6765\u904d\u5386\u6570\u7ec4\uff0c\u4f46\u5b83\u4e0d\u5982 for \u5faa\u73af\u5e38\u7528\u3002<\/p>\n
int[] myArray = {1, 2, 3, 4, 5};\nint i = 0;\nwhile (i < myArray.length) {\n    System.out.println(myArray[i]);\n    i++;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. Java 8 Streams\uff08Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\uff09<\/strong><\/p>\n
Java 8 Streams \u63d0\u4f9b\u4e86\u4f7f\u7528 lambda \u8868\u8fbe\u5f0f\u904d\u5386\u6570\u7ec4\u7684\u51fd\u6570\u5f0f\u65b9\u6cd5\u3002<\/p>\n
int[] myArray = {1, 2, 3, 4, 5};\nIntStream.of(myArray)\n    .forEach(num -> System.out.println(num));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6700\u4f73\u9009\u62e9<\/strong><\/p>\n
\u6700\u4f73\u904d\u5386\u65b9\u6cd5\u53d6\u51b3\u4e8e\u60a8\u7684\u7279\u5b9a\u9700\u6c42\u3002\u57fa\u672c for \u5faa\u73af\u63d0\u4f9b\u4e86\u6700\u7075\u6d3b\u7684\u63a7\u5236\uff0c\u800c\u589e\u5f3a for \u5faa\u73af\u63d0\u4f9b\u4e86\u6700\u7b80\u6d01\u7684\u8bed\u6cd5\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f Java 8 \u6216\u66f4\u9ad8\u7248\u672c\uff0cStreams \u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u51fd\u6570\u5f0f\u65b9\u6cd5\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u904d\u5386\u6570\u7ec4\u600e\u4e48\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u95ee\u9898\uff1a \u5982\u4f55\u4f7f\u7528 java \u904d\u5386\u6570\u7ec4\uff1f\u7b54\u6848\uff1a \u6709\u51e0\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u57fa\u672c for \u5faa\u73af\u3001\u589e\u5f3a for \u5faa\u73af\uff08java 5 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u3001while \u5faa\u73af\u548c java 8 streams\uff08java 8 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u3002 \u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4 \u8981\u904d\u5386 Java \u6570\u7ec4\uff0c\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a 1. \u57fa\u672c for \u5faa\u73af for \u5faa\u73af\u662f\u904d\u5386\u6570\u7ec4\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u5b83\u5141\u8bb8\u60a8\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3, 4, 5}; for (int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); } \u767b\u5f55\u540e\u590d\u5236 2. \u589e\u5f3a for \u5faa\u73af\uff08Java […]<\/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-65695","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65695","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=65695"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65695\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}