{"id":40188,"date":"2024-11-26T17:18:40","date_gmt":"2024-11-26T09:18:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40188\/"},"modified":"2024-11-26T17:18:40","modified_gmt":"2024-11-26T09:18:40","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%94%be%e5%9c%a8%e6%95%b0%e7%bb%84%e9%87%8c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40188\/","title":{"rendered":"java\u600e\u4e48\u628a\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u91cc"},"content":{"rendered":"

\n \u5c06\u5b57\u7b26\u4e32\u653e\u5165\u6570\u7ec4\u7684\u76f4\u63a5\u521d\u59cb\u5316\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\uff0c\u5982\uff1astring[] names = {“john”, “mary”, “bob”}; \u5176\u4ed6\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\u6216\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u5206\u914d\u503c\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528 apache commons lang \u7684 arrayutils \u7c7b\u6216 guava \u7684 lists \u7c7b\u5c06 list \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u628a\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u91cc\u63d2\u56fe\"<\/p>\n

java\u5982\u4f55\u5c06\u5b57\u7b26\u4e32\u653e\u5165\u6570\u7ec4<\/strong><\/p>\n

\u76f4\u63a5\u521d\u59cb\u5316<\/strong><\/p>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\uff1a<\/p>\n

String[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528Arrays.fill()\u65b9\u6cd5<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
Arrays.fill()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u7279\u5b9a\u503c\u3002<\/p>\n
String[] names = new String[3];\nArrays.fill(names, \"Default\");<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n
\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u5c06\u5b57\u7b26\u4e32\u5206\u914d\u7ed9\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n
String[] names = new String[3];\nfor (int i = 0; i < names.length; i++) {\n    names[i] = \"Name\" + i;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528Apache Commons Lang<\/strong><\/p>\n
Apache Commons Lang\u63d0\u4f9b\u4e86\u4e00\u4e2aArrayUtils\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3aList\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u3002<\/p>\n
import org.apache.commons.lang3.ArrayUtils;\n\nString[] names = {\"John\", \"Mary\", \"Bob\"};\nString[] namesArray = ArrayUtils.toStringArray(names);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528Guava<\/strong><\/p>\n
Guava\u63d0\u4f9b\u4e86\u4e00\u4e2aLists\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u5c06List\u8f6c\u6362\u4e3a\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n
import com.google.common.collect.Lists;\n\nList<String> names = Lists.newArrayList(\"John\", \"Mary\", \"Bob\");\nString[] namesArray = names.toArray(new String[names.size()]);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u5b57\u7b26\u4e32\u653e\u5728\u6570\u7ec4\u91cc\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":"
\u5c06\u5b57\u7b26\u4e32\u653e\u5165\u6570\u7ec4\u7684\u76f4\u63a5\u521d\u59cb\u5316\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\uff0c\u5982\uff1astring[] names = {“john”, “mary”, “bob”}; \u5176\u4ed6\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145\u6570\u7ec4\u6216\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u5206\u914d\u503c\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528 apache commons lang \u7684 arrayutils \u7c7b\u6216 guava \u7684 lists \u7c7b\u5c06 list \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002 java\u5982\u4f55\u5c06\u5b57\u7b26\u4e32\u653e\u5165\u6570\u7ec4 \u76f4\u63a5\u521d\u59cb\u5316 \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\uff1a String[] names = {“John”, “Mary”, “Bob”}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528Arrays.fill()\u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Arrays.fill()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u7279\u5b9a\u503c\u3002 String[] names = new String[3]; Arrays.fill(names, “Default”); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u5faa\u73af \u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u5c06\u5b57\u7b26\u4e32\u5206\u914d\u7ed9\u6bcf\u4e2a\u5143\u7d20\u3002 String[] names = new String[3]; for (int i = 0; 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-40188","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40188","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=40188"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40188\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}