{"id":66439,"date":"2025-05-03T12:29:44","date_gmt":"2025-05-03T04:29:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66439\/"},"modified":"2025-05-03T12:29:44","modified_gmt":"2025-05-03T04:29:44","slug":"java%e6%80%8e%e4%b9%88%e6%89%93%e5%8d%b0%e6%95%b0%e7%bb%84%e7%9a%84%e5%85%a8%e9%83%a8%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66439\/","title":{"rendered":"Java\u600e\u4e48\u6253\u5370\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20"},"content":{"rendered":"

\n java\u4e2d\u6253\u5370\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a1. \u4f7f\u7528system.out.println()\u65b9\u6cd5\uff1b2. \u4f7f\u7528arrays.tostring()\u65b9\u6cd5\uff1b3. \u4f7f\u7528stream\u548cforeach()\u65b9\u6cd5\uff1b4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff08\u5982guava\uff09\u3002\n<\/p><\/blockquote>\n

\"Java\u600e\u4e48\u6253\u5370\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u6253\u5370\u6570\u7ec4\u5168\u90e8\u5143\u7d20<\/strong><\/p>\n

Java\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6253\u5370\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20\uff1a<\/p>\n

1. \u4f7f\u7528System.out.println()\u65b9\u6cd5<\/strong><\/p>\n

\u6b64\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u6240\u6709\u7c7b\u578b\u7684\u6570\u7ec4\uff1a<\/p>\n

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

int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i < arr.length; i++) {\n    System.out.println(arr[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528Arrays.toString()\u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u9002\u7528\u4e8e\u6240\u6709\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u6570\u7ec4\u503c\u7684\u5b57\u7b26\u4e32\uff1a<\/p>\n
int[] arr = {1, 2, 3, 4, 5};\n\nSystem.out.println(Arrays.toString(arr));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
[1, 2, 3, 4, 5]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528Stream\u548cforEach()\u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u9002\u7528\u4e8eJava 8\u53ca\u66f4\u9ad8\u7248\u672c\uff0c\u5b83\u4f7f\u7528\u6d41\u64cd\u4f5c\u8fdb\u884c\u66f4\u7b80\u6d01\u7684\u6253\u5370\uff1a<\/p>\n
int[] arr = {1, 2, 3, 4, 5};\n\nArrays.stream(arr).forEach(System.out::println);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong><\/p>\n
Guava\u7b49\u7b2c\u4e09\u65b9\u5e93\u63d0\u4f9b\u4e86\u7528\u4e8e\u6253\u5370\u6570\u7ec4\u7684\u4fbf\u6377\u65b9\u6cd5\uff1a<\/p>\n
import com.google.common.base.Joiner;\n\nint[] arr = {1, 2, 3, 4, 5};\n\nSystem.out.println(Joiner.on(\", \").join(arr));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1, 2, 3, 4, 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u6253\u5370\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20\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\u6253\u5370\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a1. \u4f7f\u7528system.out.println()\u65b9\u6cd5\uff1b2. \u4f7f\u7528arrays.tostring()\u65b9\u6cd5\uff1b3. \u4f7f\u7528stream\u548cforeach()\u65b9\u6cd5\uff1b4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff08\u5982guava\uff09\u3002 Java\u4e2d\u6253\u5370\u6570\u7ec4\u5168\u90e8\u5143\u7d20 Java\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6253\u5370\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20\uff1a 1. \u4f7f\u7528System.out.println()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u6240\u6709\u7c7b\u578b\u7684\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i < arr.length; i++) { System.out.println(arr[i]); } \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a 1 2 3 4 5 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528Arrays.toString()\u65b9\u6cd5 \u6b64\u65b9\u6cd5\u9002\u7528\u4e8e\u6240\u6709\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u6570\u7ec4\u503c\u7684\u5b57\u7b26\u4e32\uff1a int[] arr = {1, 2, 3, 4, 5}; System.out.println(Arrays.toString(arr)); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a [1, […]<\/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-66439","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66439","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=66439"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66439\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}