{"id":37880,"date":"2024-11-26T15:02:00","date_gmt":"2024-11-26T07:02:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37880\/"},"modified":"2024-11-26T15:02:00","modified_gmt":"2024-11-26T07:02:00","slug":"%e5%9c%a8java%e4%b8%ad-%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%b0%83%e7%94%a8%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37880\/","title":{"rendered":"\u5728java\u4e2d \u6570\u7ec4\u600e\u4e48\u8c03\u7528\u51fd\u6570"},"content":{"rendered":"

\n \u5728 java \u4e2d\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff1a\u4f20\u9012\u6570\u5b57\u7c7b\u578b\u6570\u7ec4\uff0c\u5982\u4f7f\u7528 arrays.sort() \u6392\u5e8f\uff1b\u4f20\u9012\u5bf9\u8c61\u7c7b\u578b\u6570\u7ec4\uff0c\u901a\u8fc7 arrays.stream() \u8f6c\u6362\u4e3a\u6d41\u8fdb\u884c\u64cd\u4f5c\u6216\u4f7f\u7528 java 8 \u7684 foreach() \u65b9\u6cd5\u9010\u4e00\u6267\u884c\u64cd\u4f5c\u3002\u6ce8\u610f\uff0c\u4f20\u9012\u65f6\u4ec5\u4f20\u5f15\u7528\uff0c\u51fd\u6570\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff0c\u4e14\u5bf9\u8c61\u6570\u7ec4\u4ec5\u53ef\u8bbf\u95ee public \u5b57\u6bb5\u548c\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n

\"\u5728java\u4e2d<\/p>\n

\u5728 Java \u4e2d\u6570\u7ec4\u8c03\u7528\u51fd\u6570<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff0c\u65b9\u6cd5\u662f\u4f20\u9012\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n

1. \u4f20\u9012\u6570\u5b57\u7c7b\u578b\u7684\u6570\u7ec4<\/strong><\/p>\n

\u5982\u679c\u6570\u7ec4\u5305\u542b\u6570\u5b57\u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 Arrays.sort() \u51fd\u6570\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

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

int[] numbers = {10, 5, 20, 15};\nArrays.sort(numbers);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6392\u5e8f\u540e\uff0cnumbers \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5c06\u6309\u5347\u5e8f\u3002<\/p>\n
2. \u4f20\u9012\u5bf9\u8c61\u7c7b\u578b\u7684\u6570\u7ec4<\/strong><\/p>\n
\u5982\u679c\u6570\u7ec4\u5305\u542b\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n
\u4f7f\u7528 Arrays.stream()<\/strong><\/p>\n
Arrays.stream() \u51fd\u6570\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6d41\u4e0a\u7684\u51fd\u6570\u64cd\u4f5c\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 forEach() \u51fd\u6570\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n
String[] names = {\"Alice\", \"Bob\", \"Carol\"};\nArrays.stream(names).forEach(name -> System.out.println(name));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Java 8 \u7684 forEach() \u65b9\u6cd5<\/strong><\/p>\n
Java 8 \u5f15\u5165\u4e86 forEach() \u65b9\u6cd5\uff0c\u53ef\u76f4\u63a5\u7528\u4e8e\u6570\u7ec4\u4e2d\uff0c\u5141\u8bb8\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528 toUpperCase() \u51fd\u6570\uff1a<\/p>\n
String[] names = {\"Alice\", \"Bob\", \"Carol\"};\nfor (String name : names) {\n    name = name.toUpperCase();\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
    \n
  • \u5f53\u5c06\u6570\u7ec4\u4f20\u9012\u7ed9\u51fd\u6570\u65f6\uff0c\u5b9e\u9645\u4e0a\u4f20\u9012\u7684\u662f\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u7684\u526f\u672c\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u4e2d\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n
  • \u5bf9\u4e8e\u5bf9\u8c61\u6570\u7ec4\uff0c\u51fd\u6570\u53ea\u80fd\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u7684 public \u5b57\u6bb5\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u5728java\u4e2d \u6570\u7ec4\u600e\u4e48\u8c03\u7528\u51fd\u6570\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\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff1a\u4f20\u9012\u6570\u5b57\u7c7b\u578b\u6570\u7ec4\uff0c\u5982\u4f7f\u7528 arrays.sort() \u6392\u5e8f\uff1b\u4f20\u9012\u5bf9\u8c61\u7c7b\u578b\u6570\u7ec4\uff0c\u901a\u8fc7 arrays.stream() \u8f6c\u6362\u4e3a\u6d41\u8fdb\u884c\u64cd\u4f5c\u6216\u4f7f\u7528 java 8 \u7684 foreach() \u65b9\u6cd5\u9010\u4e00\u6267\u884c\u64cd\u4f5c\u3002\u6ce8\u610f\uff0c\u4f20\u9012\u65f6\u4ec5\u4f20\u5f15\u7528\uff0c\u51fd\u6570\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff0c\u4e14\u5bf9\u8c61\u6570\u7ec4\u4ec5\u53ef\u8bbf\u95ee public \u5b57\u6bb5\u548c\u65b9\u6cd5\u3002 \u5728 Java \u4e2d\u6570\u7ec4\u8c03\u7528\u51fd\u6570 \u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u8c03\u7528\u51fd\u6570\uff0c\u65b9\u6cd5\u662f\u4f20\u9012\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u5b9e\u73b0\uff1a 1. \u4f20\u9012\u6570\u5b57\u7c7b\u578b\u7684\u6570\u7ec4 \u5982\u679c\u6570\u7ec4\u5305\u542b\u6570\u5b57\u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 Arrays.sort() \u51fd\u6570\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u5982\u4e0b\u6240\u793a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {10, 5, 20, 15}; Arrays.sort(numbers); \u767b\u5f55\u540e\u590d\u5236 \u6392\u5e8f\u540e\uff0cnumbers \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5c06\u6309\u5347\u5e8f\u3002 2. \u4f20\u9012\u5bf9\u8c61\u7c7b\u578b\u7684\u6570\u7ec4 \u5982\u679c\u6570\u7ec4\u5305\u542b\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u4e4b\u4e00\uff1a \u4f7f\u7528 Arrays.stream() Arrays.stream() \u51fd\u6570\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u6d41\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6d41\u4e0a\u7684\u51fd\u6570\u64cd\u4f5c\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 forEach() \u51fd\u6570\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a String[] names = {“Alice”, “Bob”, “Carol”}; Arrays.stream(names).forEach(name -> System.out.println(name)); […]<\/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-37880","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37880","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=37880"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37880\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}