{"id":35267,"date":"2024-11-26T08:44:38","date_gmt":"2024-11-26T00:44:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35267\/"},"modified":"2024-11-26T08:44:38","modified_gmt":"2024-11-26T00:44:38","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e6%95%b0%e7%bb%84%e5%9c%a8%e4%b8%80%e8%a1%8c%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35267\/","title":{"rendered":"java\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u5728\u4e00\u884c\u4e0a"},"content":{"rendered":"

\n java \u4e2d\u5728\u4e00\u884c\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u56db\u79cd\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3001\u4f7f\u7528\u5faa\u73af\u3001\u4f7f\u7528 stringbuilder\u3001\u4f7f\u7528 joiner \u7c7b\uff08java 8+\uff09\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u5728\u4e00\u884c\u4e0a\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5728\u4e00\u884c\u8f93\u51fa\u6570\u7ec4<\/strong><\/p>\n

Java \u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u5143\u7d20\u5728\u4e00\u884c\u4e2d\u8f93\u51fa\u3002<\/p>\n

1. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n

Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u7528\u9017\u53f7\u5206\u9694\u7684\u6570\u7ec4\u5143\u7d20\u3002\u53ef\u4ee5\u76f4\u63a5\u5c06\u6b64\u5b57\u7b26\u4e32\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n

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

int[] arr = {1, 2, 3, 4, 5};\n\nSystem.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a\"[1, 2, 3, 4, 5]\"<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5728\u5faa\u73af\u4f53\u5185\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n
int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i < arr.length; i++) {\n    System.out.print(arr[i] + \" \");\n} \/\/ \u8f93\u51fa\uff1a1 2 3 4 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 StringBuilder<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528 StringBuilder \u6765\u6784\u5efa\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u5c06\u6570\u7ec4\u5143\u7d20\u8ffd\u52a0\u5230\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\n
int[] arr = {1, 2, 3, 4, 5};\n\nStringBuilder sb = new StringBuilder();\n\nfor (int i = 0; i < arr.length; i++) {\n    sb.append(arr[i]).append(\" \");\n}\n\nSystem.out.println(sb.toString()); \/\/ \u8f93\u51fa\uff1a1 2 3 4 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528 Joiner \u7c7b (Java 8+)<\/strong><\/p>\n
Java 8 \u4e2d\u63d0\u4f9b\u4e86 Joiner \u7c7b\uff0c\u53ef\u4ee5\u7528\u6765\u65b9\u4fbf\u5730\u8fde\u63a5\u5b57\u7b26\u4e32\u3002<\/p>\n
import java.util.stream.Collectors;\n\nint[] arr = {1, 2, 3, 4, 5};\n\nString result = IntStream.of(arr)\n        .mapToObj(String::valueOf)\n        .collect(Collectors.joining(\" \"));\n\nSystem.out.println(result); \/\/ \u8f93\u51fa\uff1a1 2 3 4 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u5728\u4e00\u884c\u4e0a\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":"
java \u4e2d\u5728\u4e00\u884c\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u56db\u79cd\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3001\u4f7f\u7528\u5faa\u73af\u3001\u4f7f\u7528 stringbuilder\u3001\u4f7f\u7528 joiner \u7c7b\uff08java 8+\uff09\u3002 Java \u4e2d\u5728\u4e00\u884c\u8f93\u51fa\u6570\u7ec4 Java \u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u5143\u7d20\u5728\u4e00\u884c\u4e2d\u8f93\u51fa\u3002 1. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5 Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u7528\u9017\u53f7\u5206\u9694\u7684\u6570\u7ec4\u5143\u7d20\u3002\u53ef\u4ee5\u76f4\u63a5\u5c06\u6b64\u5b57\u7b26\u4e32\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; System.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a”[1, 2, 3, 4, 5]” \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u5faa\u73af \u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5728\u5faa\u73af\u4f53\u5185\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002 int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i < arr.length; i++) […]<\/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-35267","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35267","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=35267"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35267\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}