{"id":463,"date":"2022-09-24T16:02:02","date_gmt":"2022-09-24T08:02:02","guid":{"rendered":"https:\/\/qaqaq.top\/?p=463"},"modified":"2022-11-27T12:40:00","modified_gmt":"2022-11-27T04:40:00","slug":"%e6%95%b0%e7%bb%84-arrays%e5%b7%a5%e5%85%b7%e7%b1%bb%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=463","title":{"rendered":"\u6570\u7ec4-Arrays\u5de5\u5177\u7c7b\u7684\u4f7f\u7528"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P171;\n\nimport java.util.Arrays;\n\n\/*\n * java.util.Arrays:\u64cd\u4f5c\u6570\u7ec4\u7684\u5de5\u5177\u7c7b\uff0c\u91cc\u9762\u5b9a\u4e49\u4e86\u5f88\u591a\u64cd\u4f5c\u6570\u7ec4\u7684\u65b9\u6cd5\n * \n * \n * \n *\/\npublic class ArraysTest {\n\tpublic static void main(String&#91;] args) {\n\t\t\n\t\t\/\/1. boolean equals(int&#91;] a,int&#91;] b):\u5224\u65ad\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002\n\t\tint&#91;] arr1 = new int&#91;] {1,2,3,4};\n\t\tint&#91;] arr2 = new int&#91;] {1,3,2,4};\n\t\tboolean isEquals = Arrays.equals(arr1, arr2);\n\t\tSystem.out.println(isEquals);\n\t\t\n\t\t\/\/2. String toString(int&#91;] a):\u8f93\u51fa\u6570\u7ec4\u4fe1\u606f\u3002\n\t\tSystem.out.println(Arrays.toString(arr1));\n\t\t\n\t\t\/\/3. void fill(int&#91;] a,int val):\u5c06\u6307\u5b9a\u7684\u503c\u586b\u5145\u5230\u6570\u7ec4\u4e4b\u4e2d\u3002\n\t\tArrays.fill(arr1, 10);\n\t\tSystem.out.println(Arrays.toString(arr1));\n\t\t\n\t\t\/\/4. void sort(int&#91;] a):\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002\n\t\tArrays.sort(arr2);\n\t\tSystem.out.println(Arrays.toString(arr2));\n\t\t\n\t\t\/\/5. int binarySearch(int&#91;] a,int key):\u5bf9\u6392\u5e8f\u540e\u7684\u6570\u7ec4\u8fdb\u884c\u4e8c\u5206\u6cd5\u68c0\u7d22\u6307\u5b9a\u7684\u503c\u3002\n\t\tint&#91;] arr3 = new int&#91;] {-98,-34,2,34,54,66,79,105,210,333};\n\t\tint index = Arrays.binarySearch(arr3, 211);\n\t\tif(index &gt;= 0) {\n\t\t\tSystem.out.println(index);\n\t\t}else {\n\t\t\tSystem.out.println(\"\u672a\u627e\u5230\");\n\t\t}\n\t\t\n\t\t\n\t\t\n\t}\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-463","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/463"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=463"}],"version-history":[{"count":2,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/463\/revisions"}],"predecessor-version":[{"id":486,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/463\/revisions\/486"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}