{"id":66045,"date":"2025-05-03T11:11:31","date_gmt":"2025-05-03T03:11:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66045\/"},"modified":"2025-05-03T11:11:31","modified_gmt":"2025-05-03T03:11:31","slug":"java%e4%b8%ad-%e6%95%b0%e7%bb%84%e8%bf%94%e5%9b%9e%e5%80%bc%e6%80%8e%e4%b9%88-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66045\/","title":{"rendered":"java\u4e2d \u6570\u7ec4\u8fd4\u56de\u503c\u600e\u4e48"},"content":{"rendered":"

\n java \u4e2d\u6570\u7ec4\u53ef\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u901a\u8fc7\u65b9\u6cd5\u8fd4\u56de\u7c7b\u578b\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u5373\u53ef\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u8fd4\u56de\u7684\u662f\u6570\u7ec4\u5f15\u7528\uff0c\u6307\u5411\u5806\u4e2d\u7684\u5b9e\u9645\u6570\u7ec4\u5bf9\u8c61\uff1b\u4fee\u6539\u8fd4\u56de\u7684\u6570\u7ec4\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u8fd4\u56de\u7a7a\u6570\u7ec4\u65f6\u9700\u4f7f\u7528 null\u3002\n<\/p><\/blockquote>\n

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

Java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u8fd4\u56de\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u7c7b\u578b\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd5\u8fd4\u56de\u503c\u4f20\u9012\u3002<\/p>\n

\u5982\u4f55\u8fd4\u56de\u6570\u7ec4<\/strong><\/p>\n

\u8981\u8fd4\u56de\u6570\u7ec4\uff0c\u53ea\u9700\u5c06\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u4e3a\u65b9\u6cd5\u7684\u8fd4\u56de\u7c7b\u578b\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n

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

int[] getArray() {\n    int[] arr = new int[]{1, 2, 3};\n    return arr;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cgetArray() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u5305\u542b\u5143\u7d20 1\u30012 \u548c 3\u3002<\/p>\n
\u8fd4\u56de\u6570\u7ec4\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n
    \n
  • \u8fd4\u56de\u7684\u6570\u7ec4\u5f15\u7528\u6307\u5411 \u5806\u4e2d \u7684\u5b9e\u9645\u6570\u7ec4\u5bf9\u8c61\u3002<\/li>\n
  • \u4fee\u6539\u8fd4\u56de\u7684\u6570\u7ec4\u5c06\u5f71\u54cd\u4f20\u9012\u7ed9\u65b9\u6cd5\u8c03\u7528\u8005\u7684\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n
  • \u8fd4\u56de\u7a7a\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u660e\u786e\u4f7f\u7528 null\uff0c\u800c\u4e0d\u662f new int[0]\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\u7528\u6cd5<\/strong><\/p>\n
    \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u8fd4\u56de\u6570\u7ec4\u7684\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a<\/p>\n
    public class Main {\n    public static void main(String[] args) {\n        int[] arr = getArray();\n        for (int i : arr) {\n            System.out.println(i); \/\/ \u8f93\u51fa\uff1a1 2 3\n        }\n    }\n\n    public static int[] getArray() {\n        return new int[]{1, 2, 3};\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cmn() \u65b9\u6cd5\u8c03\u7528 getArray() \u65b9\u6cd5\u5e76\u63a5\u6536\u8fd4\u56de\u7684\u6574\u6570\u6570\u7ec4\u3002\u7136\u540e\uff0c\u5b83\u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u5176\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d \u6570\u7ec4\u8fd4\u56de\u503c\u600e\u4e48\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    java \u4e2d\u6570\u7ec4\u53ef\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u901a\u8fc7\u65b9\u6cd5\u8fd4\u56de\u7c7b\u578b\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u5373\u53ef\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u8fd4\u56de\u7684\u662f\u6570\u7ec4\u5f15\u7528\uff0c\u6307\u5411\u5806\u4e2d\u7684\u5b9e\u9645\u6570\u7ec4\u5bf9\u8c61\uff1b\u4fee\u6539\u8fd4\u56de\u7684\u6570\u7ec4\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\uff1b\u8fd4\u56de\u7a7a\u6570\u7ec4\u65f6\u9700\u4f7f\u7528 null\u3002 Java \u4e2d\u6570\u7ec4\u4f5c\u4e3a\u8fd4\u56de\u503c \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u7c7b\u578b\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd5\u8fd4\u56de\u503c\u4f20\u9012\u3002 \u5982\u4f55\u8fd4\u56de\u6570\u7ec4 \u8981\u8fd4\u56de\u6570\u7ec4\uff0c\u53ea\u9700\u5c06\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u4e3a\u65b9\u6cd5\u7684\u8fd4\u56de\u7c7b\u578b\u5373\u53ef\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] getArray() { int[] arr = new int[]{1, 2, 3}; return arr; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u6b64\u793a\u4f8b\u4e2d\uff0cgetArray() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u5305\u542b\u5143\u7d20 1\u30012 \u548c 3\u3002 \u8fd4\u56de\u6570\u7ec4\u7684\u6ce8\u610f\u4e8b\u9879 \u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a \u8fd4\u56de\u7684\u6570\u7ec4\u5f15\u7528\u6307\u5411 \u5806\u4e2d \u7684\u5b9e\u9645\u6570\u7ec4\u5bf9\u8c61\u3002 \u4fee\u6539\u8fd4\u56de\u7684\u6570\u7ec4\u5c06\u5f71\u54cd\u4f20\u9012\u7ed9\u65b9\u6cd5\u8c03\u7528\u8005\u7684\u539f\u59cb\u6570\u7ec4\u3002 \u8fd4\u56de\u7a7a\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u660e\u786e\u4f7f\u7528 null\uff0c\u800c\u4e0d\u662f new int[0]\u3002 \u793a\u4f8b\u7528\u6cd5 \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u8fd4\u56de\u6570\u7ec4\u7684\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a public class Main { public static void main(String[] args) { int[] arr = […]<\/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-66045","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66045","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=66045"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66045\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}