{"id":38100,"date":"2024-11-26T16:09:57","date_gmt":"2024-11-26T08:09:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38100\/"},"modified":"2024-11-26T16:09:57","modified_gmt":"2024-11-26T08:09:57","slug":"java%e6%a0%b9%e6%8d%ae%e7%94%a8%e6%88%b7%e6%80%8e%e4%b9%88%e7%a1%ae%e5%ae%9a%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38100\/","title":{"rendered":"java\u6839\u636e\u7528\u6237\u600e\u4e48\u786e\u5b9a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u53ef\u6839\u636e\u7528\u6237\u8f93\u5165\u786e\u5b9a java \u6570\u7ec4\u5927\u5c0f\uff1a\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u5927\u5c0f\u3002\u6839\u636e\u8f93\u5165\u5927\u5c0f\u521b\u5efa\u76f8\u5e94\u6570\u7ec4\u3002\u53ef\u9009\uff1a\u6dfb\u52a0\u5bb9\u9519\u5904\u7406\uff0c\u786e\u4fdd\u8f93\u5165\u4e3a\u6b63\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111316575667140.jpg\" class=\"aligncenter\" title=\"java\u6839\u636e\u7528\u6237\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u6839\u636e\u7528\u6237\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6839\u636e\u7528\u6237\u8f93\u5165\u786e\u5b9a Java \u6570\u7ec4\u7684\u5927\u5c0f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u7528\u6237\u8f93\u5165\u6765\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u4ee5\u4e0b\u662f\u5b9e\u73b0\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u83b7\u53d6\u7528\u6237\u8f93\u5165<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 Scanner \u7c7b\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u3002<\/li>\n<li>\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5c06\u7528\u6237\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u578b\u503c\u3002<\/li>\n<\/ul>\n<pre>import java.util.Scanner;\n\nScanner scanner = new Scanner(System.in);\n\nSystem.out.print(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u7684\u5927\u5c0f\uff1a\");\nint arraySize = scanner.nextInt();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002<\/li>\n<li>\u6570\u7ec4\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u8981\u8fdb\u884c\u6307\u5b9a\u3002<\/li>\n<\/ul>\n<pre>int[] myArray = new int[arraySize];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u5bb9\u9519\u5904\u7406\uff08\u53ef\u9009\uff09<\/strong><\/p>\n<ul>\n<li>\u60a8\u53ef\u4ee5\u6dfb\u52a0\u5bb9\u9519\u5904\u7406\u6765\u5904\u7406\u975e\u6cd5\u8f93\u5165\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u5927\u5c0f\u4e3a\u6b63\u6570\u3002<\/li>\n<\/ul>\n<pre>if (arraySize &lt;= 0) {\n    System.out.println(\"\u6570\u7ec4\u5927\u5c0f\u5fc5\u987b\u4e3a\u6b63\u6570\uff01\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>import java.util.Scanner;\n\npublic class UserInputArraySize {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        System.out.print(\"\u8bf7\u8f93\u5165\u6570\u7ec4\u7684\u5927\u5c0f\uff1a\");\n        int arraySize = scanner.nextInt();\n\n        if (arraySize &lt;= 0) {\n            System.out.println(\"\u6570\u7ec4\u5927\u5c0f\u5fc5\u987b\u4e3a\u6b63\u6570\uff01\");\n            return;\n        }\n\n        int[] myArray = new int[arraySize];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6839\u636e\u7528\u6237\u600e\u4e48\u786e\u5b9a\u6570\u7ec4\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>\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u53ef\u6839\u636e\u7528\u6237\u8f93\u5165\u786e\u5b9a java \u6570\u7ec4\u5927\u5c0f\uff1a\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u5927\u5c0f\u3002\u6839\u636e\u8f93\u5165\u5927\u5c0f\u521b\u5efa\u76f8\u5e94\u6570\u7ec4\u3002\u53ef\u9009\uff1a\u6dfb\u52a0\u5bb9\u9519\u5904\u7406\uff0c\u786e\u4fdd\u8f93\u5165\u4e3a\u6b63\u6570\u3002 \u5982\u4f55\u6839\u636e\u7528\u6237\u8f93\u5165\u786e\u5b9a Java \u6570\u7ec4\u7684\u5927\u5c0f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u7528\u6237\u8f93\u5165\u6765\u786e\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u4ee5\u4e0b\u662f\u5b9e\u73b0\u6b65\u9aa4\uff1a 1. \u83b7\u53d6\u7528\u6237\u8f93\u5165 \u4f7f\u7528 Scanner \u7c7b\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u3002 \u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u7ec4\u7684\u5927\u5c0f\u3002 \u5c06\u7528\u6237\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u578b\u503c\u3002 import java.util.Scanner; Scanner scanner = new Scanner(System.in); System.out.print(&#8220;\u8bf7\u8f93\u5165\u6570\u7ec4\u7684\u5927\u5c0f\uff1a&#8221;); int arraySize = scanner.nextInt(); \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002 \u6570\u7ec4\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u8981\u8fdb\u884c\u6307\u5b9a\u3002 int[] myArray = new int[arraySize]; \u767b\u5f55\u540e\u590d\u5236 3. \u5bb9\u9519\u5904\u7406\uff08\u53ef\u9009\uff09 \u60a8\u53ef\u4ee5\u6dfb\u52a0\u5bb9\u9519\u5904\u7406\u6765\u5904\u7406\u975e\u6cd5\u8f93\u5165\u3002 \u4f8b\u5982\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u6570\u7ec4\u5927\u5c0f\u4e3a\u6b63\u6570\u3002 if (arraySize &lt;= 0) { System.out.println(&#8220;\u6570\u7ec4\u5927\u5c0f\u5fc5\u987b\u4e3a\u6b63\u6570\uff01&#8221;); } \u767b\u5f55\u540e\u590d\u5236 \u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\uff1a import java.util.Scanner; [&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-38100","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38100","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=38100"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38100\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}