{"id":64543,"date":"2025-05-03T14:42:53","date_gmt":"2025-05-03T06:42:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64543\/"},"modified":"2025-05-03T14:42:53","modified_gmt":"2025-05-03T06:42:53","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e9%87%8c%e6%95%b0%e5%ad%97%e6%80%8e%e4%b9%88%e6%8f%90%e5%87%ba%e6%9d%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64543\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u91cc\u6570\u5b57\u600e\u4e48\u63d0\u51fa\u6765"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 integer.parseint() \u65b9\u6cd5\u5c06\u6570\u5b57\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a int \u7c7b\u578b\u3002\u4f7f\u7528 parseint() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7531\u5305\u88c5\u7c7b\uff08\u5982 integer\uff09\u63d0\u4f9b\uff0c\u53ef\u89e3\u6790\u6570\u5b57\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110400215424920.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u91cc\u6570\u5b57\u600e\u4e48\u63d0\u51fa\u6765\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u91cc\u6570\u5b57\u600e\u4e48\u63d0\u51fa\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Integer.parseInt() \u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li>Integer.parseInt() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u8868\u793a\u6570\u5b57\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a int \u7c7b\u578b\u3002<\/li>\n<li>\u5bf9\u4e8e\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u8c03\u7528 Integer.parseInt() \u65b9\u6cd5\u5373\u53ef\u63d0\u53d6\u6570\u5b57\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nfor (int i = 0; i &lt; numbers.length; i++) {\n    String numberString = String.valueOf(numbers[i]);\n    int number = Integer.parseInt(numberString);\n    \/\/ \u5728\u6b64\u5904\u7406\u63d0\u53d6\u7684\u6570\u5b57\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 parseInt() \u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u5c01\u88c5\u57fa\u672c\u7c7b\u578b\u7684\u5305\u88c5\u7c7b\uff08\u5982 Integer\u3001Long\u3001Double\uff09\uff0c\u63d0\u4f9b\u4e86 parseInt() \u65b9\u6cd5\u6765\u89e3\u6790\u6570\u5b57\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u4e0e Integer.parseInt() \u65b9\u6cd5\u7c7b\u4f3c\uff0c\u9700\u8981\u5c06\u6570\u7ec4\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u8c03\u7528 parseInt() \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nfor (int i = 0; i &lt; numbers.length; i++) {\n    String numberString = String.valueOf(numbers[i]);\n    int number = Integer.parseInt(numberString);\n    \/\/ \u5728\u6b64\u5904\u7406\u63d0\u53d6\u7684\u6570\u5b57\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u6570\u7ec4\u5143\u7d20\u4e0d\u662f\u5b57\u7b26\u4e32\u6216\u65e0\u6cd5\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5c06\u629b\u51fa NumberFormatException \u5f02\u5e38\u3002<\/li>\n<li>\u5bf9\u4e8e\u5927\u6570\u5b57\uff0c\u5efa\u8bae\u4f7f\u7528 long \u6216 BigInteger\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u91cc\u6570\u5b57\u600e\u4e48\u63d0\u51fa\u6765\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\uff0c\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 integer.parseint() \u65b9\u6cd5\u5c06\u6570\u5b57\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a int \u7c7b\u578b\u3002\u4f7f\u7528 parseint() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7531\u5305\u88c5\u7c7b\uff08\u5982 integer\uff09\u63d0\u4f9b\uff0c\u53ef\u89e3\u6790\u6570\u5b57\u5b57\u7b26\u4e32\u3002 Java \u4e2d\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57 \u5728 Java \u4e2d\uff0c\u4ece\u6570\u7ec4\u4e2d\u63d0\u53d6\u6570\u5b57\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a 1. \u4f7f\u7528 Integer.parseInt() \u65b9\u6cd5 Integer.parseInt() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u8868\u793a\u6570\u5b57\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a int \u7c7b\u578b\u3002 \u5bf9\u4e8e\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u8c03\u7528 Integer.parseInt() \u65b9\u6cd5\u5373\u53ef\u63d0\u53d6\u6570\u5b57\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; numbers.length; i++) { String numberString = String.valueOf(numbers[i]); int number = Integer.parseInt(numberString); \/\/ [&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-64543","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64543","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=64543"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64543\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}