{"id":39606,"date":"2024-11-26T09:59:47","date_gmt":"2024-11-26T01:59:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39606\/"},"modified":"2024-11-26T09:59:47","modified_gmt":"2024-11-26T01:59:47","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e8%be%93%e5%85%a5%e5%88%b0%e6%95%b0%e7%bb%84%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39606\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u8f93\u5165\u5230\u6570\u7ec4\u4e2d"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5c06\u6570\u5b57\u8f93\u5165 java \u6570\u7ec4\u4e2d\uff0c\u53ef\u6309\u4ee5\u4e0b\u6b65\u9aa4\u6267\u884c\uff1a\u58f0\u660e\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\u3002\u4f7f\u7528\u5faa\u73af\u4ece\u7528\u6237\u5904\u83b7\u53d6\u6570\u5b57\u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 try-catch \u5757\u5904\u7406\u8f93\u5165\u5f02\u5e38\u3002\u8f93\u5165\u5b8c\u6210\u540e\uff0c\u5373\u53ef\u5bf9\u6570\u7ec4\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111618310584946.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u8f93\u5165\u5230\u6570\u7ec4\u4e2d\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u8f93\u5165\u5230\u6570\u7ec4\u4e2d\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06\u6570\u5b57\u8f93\u5165\u5230 Java \u6570\u7ec4\u4e2d<\/strong><\/p>\n<p>\u8981\u5c06\u6570\u5b57\u8f93\u5165\u5230 Java \u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n<pre>int[] myArray = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0csize \u662f\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528\u5faa\u73af\u83b7\u53d6\u8f93\u5165<\/strong><\/p>\n<p>\u4f7f\u7528 for \u5faa\u73af\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u6570\u5b57\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>for (int i = 0; i &lt; myArray.length; i++) {\n    System.out.print(\"Enter number \" + (i + 1) + \": \");\n    myArray[i] = Integer.parseInt(scanner.nextLine());\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u5904\u7406\u8f93\u5165\u5f02\u5e38<\/strong><\/p>\n<p>\u4f7f\u7528 try-catch \u5757\u6765\u5904\u7406\u8f93\u5165\u5f02\u5e38\uff0c\u4f8b\u5982\u7528\u6237\u8f93\u5165\u975e\u6570\u5b57\u5b57\u7b26\u3002<\/p>\n<pre>try {\n    \/\/ \u83b7\u53d6\u8f93\u5165\u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\n} catch (NumberFormatException e) {\n    \/\/ \u5904\u7406\u8f93\u5165\u5f02\u5e38\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528\u6570\u7ec4<\/strong><\/p>\n<p>\u4e00\u65e6\u6240\u6709\u6570\u5b57\u90fd\u8f93\u5165\u5230\u6570\u7ec4\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u4f8b\u5982\u904d\u5386\u3001\u6392\u5e8f\u6216\u6267\u884c\u8ba1\u7b97\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>import java.util.Scanner;\n\npublic class InputToArray {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        int[] myArray = new int[5];\n\n        for (int i = 0; i &lt; myArray.length; i++) {\n            System.out.print(\"Enter number \" + (i + 1) + \": \");\n            try {\n                myArray[i] = Integer.parseInt(scanner.nextLine());\n            } catch (NumberFormatException e) {\n                System.out.println(\"Invalid input. Please enter a number.\");\n                i--; \/\/ Decrement i to repeat input for this index\n            }\n        }\n\n        \/\/ \u4f7f\u7528\u6570\u7ec4\n        for (int number : myArray) {\n            System.out.println(number);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u8f93\u5165\u5230\u6570\u7ec4\u4e2d\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":"<p>\u8981\u5c06\u6570\u5b57\u8f93\u5165 java \u6570\u7ec4\u4e2d\uff0c\u53ef\u6309\u4ee5\u4e0b\u6b65\u9aa4\u6267\u884c\uff1a\u58f0\u660e\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\u3002\u4f7f\u7528\u5faa\u73af\u4ece\u7528\u6237\u5904\u83b7\u53d6\u6570\u5b57\u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 try-catch \u5757\u5904\u7406\u8f93\u5165\u5f02\u5e38\u3002\u8f93\u5165\u5b8c\u6210\u540e\uff0c\u5373\u53ef\u5bf9\u6570\u7ec4\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002 \u5982\u4f55\u5c06\u6570\u5b57\u8f93\u5165\u5230 Java \u6570\u7ec4\u4e2d \u8981\u5c06\u6570\u5b57\u8f93\u5165\u5230 Java \u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4 int[] myArray = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0csize \u662f\u6570\u7ec4\u7684\u5927\u5c0f\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528\u5faa\u73af\u83b7\u53d6\u8f93\u5165 \u4f7f\u7528 for \u5faa\u73af\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u6570\u5b57\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002 for (int i = 0; i &lt; myArray.length; i++) { System.out.print(&#8220;Enter number &#8221; + (i + 1) + &#8220;: &#8220;); myArray[i] = Integer.parseInt(scanner.nextLine()); } \u767b\u5f55\u540e\u590d\u5236 3. \u5904\u7406\u8f93\u5165\u5f02\u5e38 \u4f7f\u7528 [&hellip;]<\/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-39606","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39606","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=39606"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39606\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}