{"id":10902,"date":"2023-11-28T21:47:10","date_gmt":"2023-11-28T13:47:10","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10902"},"modified":"2023-11-28T21:47:14","modified_gmt":"2023-11-28T13:47:14","slug":"java-zhong-shen-me-shi-hou-yong-duan-yan-assert","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhong-shen-me-shi-hou-yong-duan-yan-assert\/","title":{"rendered":"Java\u4e2d\u4ec0\u4e48\u65f6\u5019\u7528\u65ad\u8a00(assert) ?"},"content":{"rendered":"<p>\u65ad\u8a00\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8c03\u8bd5\u65b9\u5f0f\uff0c\u5f88\u591a\u5f00\u53d1\u8bed\u8a00\u4e2d\u90fd\u652f\u6301\u8fd9\u79cd\u673a\u5236\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u65ad\u8a00\u7528\u4e8e\u4fdd\u8bc1\u7a0b\u5e8f\u6700\u57fa\u672c\u3001\u5173\u952e\u7684\u6b63\u786e\u6027\u3002\u65ad\u8a00\u68c0\u67e5\u901a\u5e38\u5728\u5f00\u53d1\u548c\u6d4b\u8bd5\u65f6\u5f00\u542f\u3002\u4e3a\u4e86\u4fdd\u8bc1\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\uff0c\u5728\u8f6f\u4ef6\u53d1\u5e03\u540e\u65ad\u8a00\u68c0\u67e5\u901a\u5e38\u662f\u5173\u95ed\u7684\u3002<br \/>\n\u65ad\u8a00\u662f\u4e00\u4e2a\u5305\u542b\u5e03\u5c14\u8868\u8fbe\u5f0f\u7684\u8bed\u53e5\uff0c\u5728\u6267\u884c\u8fd9\u4e2a\u8bed\u53e5\u65f6\u5047\u5b9a\u8be5\u8868\u8fbe\u5f0f\u4e3atrue;\u5982\u679c\u8868\u8fbe\u5f0f\u7684\u503c\u4e3afalse\uff0c\u90a3\u4e48\u7cfb\u7edf\u4f1a\u62a5\u544a\u4e00\u4e2aAssertionError\u3002\u65ad\u8a00\u7684\u4f7f\u7528\u5982\u4e0b\u9762\u7684\u4ee3\u7801\u6240\u793a:<br \/>\nassert(a &gt; 0);\/\/throw an AssertionError if a &lt;= 0<br \/>\n\u65ad\u8a00\u53ef\u4ee5\u6709\u4e24\u79cd\u5f62\u5f0f\uff1a<br \/>\n1\u3001assert Expression1;<br \/>\n2\u3001assert Expression1 : Expression2;<br \/>\nExpression1\u5e94\u8be5\u603b\u662f\u4ea7\u751f\u4e00\u4e2a\u5e03\u5c14\u503c\u3002<br \/>\nExpression2\u53ef\u4ee5\u662f\u5f97\u51fa\u4e00\u4e2a\u503c\u7684\u4efb\u610f\u8868\u8fbe\u5f0f;\u8fd9\u4e2a\u503c\u7528\u4e8e\u751f\u6210\u663e\u793a\u66f4\u591a\u8c03\u8bd5\u4fe1\u606f\u7684\u5b57\u7b26\u4e32\u6d88\u606f\u3002<br \/>\n\u8981\u5728\u8fd0\u884c\u65f6\u542f\u7528\u65ad\u8a00\uff0c\u53ef\u4ee5\u5728\u542f\u52a8JVM\u65f6\u4f7f\u7528-enableassertions\u6216\u8005-ea\u6807\u8bb0\u3002\u8981\u5728\u8fd0\u884c\u65f6\u9009\u62e9\u7981\u7528\u65ad\u8a00\uff0c\u53ef\u4ee5\u5728\u542f\u52a8JVM\u65f6\u4f7f\u7528-da\u6216\u8005-disableassertions\u6807\u8bb0\u3002\u8981\u5728\u7cfb\u7edf\u7c7b\u4e2d\u542f\u7528\u6216\u7981\u7528\u65ad\u8a00\uff0c\u53ef\u4f7f\u7528-esa\u6216-dsa\u6807\u8bb0\u3002\u8fd8\u53ef\u4ee5\u5728\u5305\u7684\u57fa\u7840\u4e0a\u542f\u7528\u6216\u8005\u7981\u7528\u65ad\u8a00\u3002<br \/>\n\u6ce8\u610f:\u65ad\u8a00\u4e0d\u5e94\u8be5\u4ee5\u4efb\u4f55\u65b9\u5f0f\u6539\u53d8\u7a0b\u5e8f\u7684\u72b6\u6001\u3002\u7b80\u5355\u7684\u8bf4\uff0c\u5982\u679c\u5e0c\u671b\u5728\u4e0d\u6ee1\u8db3\u67d0\u4e9b\u6761\u4ef6\u65f6\u963b\u6b62\u4ee3\u7801\u7684\u6267\u884c,\u5c31\u53ef\u4ee5\u8003\u8651\u7528\u65ad\u8a00\u6765\u963b\u6b62\u5b83\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65ad\u8a00\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8c03\u8bd5\u65b9\u5f0f\uff0c\u5f88\u591a\u5f00\u53d1\u8bed\u8a00\u4e2d\u90fd\u652f\u6301\u8fd9\u79cd\u673a\u5236\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u65ad\u8a00\u7528\u4e8e\u4fdd\u8bc1\u7a0b\u5e8f\u6700\u57fa\u672c\u3001\u5173\u952e\u7684\u6b63 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-10902","post","type-post","status-publish","format-standard","hentry","category-javabase"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10902"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10902\/revisions"}],"predecessor-version":[{"id":10903,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10902\/revisions\/10903"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10902"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}