{"id":64347,"date":"2025-05-03T08:22:30","date_gmt":"2025-05-03T00:22:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64347\/"},"modified":"2025-05-03T08:22:30","modified_gmt":"2025-05-03T00:22:30","slug":"java%e5%a2%9e%e5%8a%a0%e6%95%b0%e7%bb%84%e6%96%b9%e6%b3%95%e6%80%8e%e4%b9%88%e5%86%99-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64347\/","title":{"rendered":"java\u589e\u52a0\u6570\u7ec4\u65b9\u6cd5\u600e\u4e48\u5199"},"content":{"rendered":"

\n \u4e3a\u4e86\u5728 java \u4e2d\u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u4f7f\u5176\u6269\u5c55\u81ea object \u7c7b\u5e76\u5305\u542b\u539f\u6709\u6570\u7ec4\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\u3002\u5728\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u4e2d\u5b9a\u4e49\u6240\u9700\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u8ba1\u7b97\u603b\u548c\u3002\u4f7f\u7528\u539f\u6709\u6570\u7ec4\u521b\u5efa\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u7684\u5b9e\u4f8b\u3002\u8c03\u7528\u81ea\u5b9a\u4e49\u65b9\u6cd5\uff0c\u5c31\u50cf\u8c03\u7528\u5185\u7f6e\u65b9\u6cd5\u4e00\u6837\u3002\n<\/p><\/blockquote>\n

\"java\u589e\u52a0\u6570\u7ec4\u65b9\u6cd5\u600e\u4e48\u5199\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5<\/strong><\/p>\n

\u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5\u53ef\u4ee5\u589e\u5f3a\u5176\u529f\u80fd\uff0c\u4f7f\u5176\u5177\u6709\u66f4\u5e7f\u6cdb\u7684\u5b9e\u7528\u6027\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 Java \u4e2d\u5b9e\u73b0\u6b64\u64cd\u4f5c\uff1a<\/p>\n

1. \u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b<\/strong><\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u6269\u5c55\u81ea Object \u7c7b\u7684\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u5e76\u5c06\u539f\u6709\u6570\u7ec4\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\uff1a<\/p>\n

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

public class MyArray<T> {\n    private T[] array;\n    \n    \/\/ \u6784\u9020\u51fd\u6570\uff0c\u521d\u59cb\u5316\u6570\u7ec4\n    public MyArray(T[] array) {\n        this.array = array;\n    }\n    \n    \/\/ ... (\u5176\u4ed6\u65b9\u6cd5)\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u5b9a\u4e49\u8981\u6dfb\u52a0\u7684\u65b9\u6cd5<\/strong><\/p>\n
\u5728\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u4e2d\u5b9a\u4e49\u6240\u9700\u7684\u989d\u5916\u65b9\u6cd5\uff0c\u4f8b\u5982\uff0c\u8ba1\u7b97\u603b\u548c\uff1a<\/p>\n
public int sum() {\n    int sum = 0;\n    for (T element : array) {\n        sum += (int) element;\n    }\n    return sum;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u5b9e\u4f8b\u5316\u81ea\u5b9a\u4e49\u6570\u7ec4<\/strong><\/p>\n
\u4f7f\u7528\u539f\u6709\u6570\u7ec4\u521b\u5efa\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u7684\u5b9e\u4f8b\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nMyArray<Integer> myArray = new MyArray<>(numbers);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u8c03\u7528\u81ea\u5b9a\u4e49\u65b9\u6cd5<\/strong><\/p>\n
\u73b0\u5728\u53ef\u4ee5\u50cf\u8c03\u7528\u6570\u7ec4\u7684\u5185\u7f6e\u65b9\u6cd5\u4e00\u6837\u8c03\u7528\u81ea\u5b9a\u4e49\u65b9\u6cd5\uff1a<\/p>\n
int sum = myArray.sum();\nSystem.out.println(\"\u603b\u548c\uff1a\" + sum); \/\/ \u8f93\u51fa 15<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u589e\u52a0\u6570\u7ec4\u65b9\u6cd5\u600e\u4e48\u5199\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3a\u4e86\u5728 java \u4e2d\u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u4f7f\u5176\u6269\u5c55\u81ea object \u7c7b\u5e76\u5305\u542b\u539f\u6709\u6570\u7ec4\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\u3002\u5728\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u4e2d\u5b9a\u4e49\u6240\u9700\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u8ba1\u7b97\u603b\u548c\u3002\u4f7f\u7528\u539f\u6709\u6570\u7ec4\u521b\u5efa\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u7684\u5b9e\u4f8b\u3002\u8c03\u7528\u81ea\u5b9a\u4e49\u65b9\u6cd5\uff0c\u5c31\u50cf\u8c03\u7528\u5185\u7f6e\u65b9\u6cd5\u4e00\u6837\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5 \u4e3a\u6570\u7ec4\u6dfb\u52a0\u65b9\u6cd5\u53ef\u4ee5\u589e\u5f3a\u5176\u529f\u80fd\uff0c\u4f7f\u5176\u5177\u6709\u66f4\u5e7f\u6cdb\u7684\u5b9e\u7528\u6027\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 Java \u4e2d\u5b9e\u73b0\u6b64\u64cd\u4f5c\uff1a 1. \u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b \u5b9a\u4e49\u4e00\u4e2a\u6269\u5c55\u81ea Object \u7c7b\u7684\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u5e76\u5c06\u539f\u6709\u6570\u7ec4\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public class MyArray<T> { private T[] array; \/\/ \u6784\u9020\u51fd\u6570\uff0c\u521d\u59cb\u5316\u6570\u7ec4 public MyArray(T[] array) { this.array = array; } \/\/ … (\u5176\u4ed6\u65b9\u6cd5) } \u767b\u5f55\u540e\u590d\u5236 2. \u5b9a\u4e49\u8981\u6dfb\u52a0\u7684\u65b9\u6cd5 \u5728\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u4e2d\u5b9a\u4e49\u6240\u9700\u7684\u989d\u5916\u65b9\u6cd5\uff0c\u4f8b\u5982\uff0c\u8ba1\u7b97\u603b\u548c\uff1a public int sum() { int sum = 0; for (T element : array) […]<\/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-64347","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64347","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=64347"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64347\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}