{"id":945,"date":"2021-12-03T02:59:06","date_gmt":"2021-12-02T18:59:06","guid":{"rendered":"https:\/\/www.xinot.icu\/?p=945"},"modified":"2021-12-15T01:03:56","modified_gmt":"2021-12-14T17:03:56","slug":"java%e4%b8%ad%e7%9a%84%e4%ba%8c%e8%bf%9b%e5%88%b6%e4%b8%8e%e4%bd%8d%e8%bf%90%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.xinot.icu\/?p=945","title":{"rendered":"Java\u4e2d\u7684\u4e8c\u8fdb\u5236\u4e0e\u4f4d\u8fd0\u7b97"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"945\" class=\"elementor elementor-945\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f7e86cf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f7e86cf\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4228630\" data-id=\"4228630\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a647da6 elementor-widget elementor-widget-heading\" data-id=\"a647da6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Java\u4e2d\u7684\u4e8c\u8fdb\u5236\u4e0e\u4f4d\u8fd0\u7b97<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b9f0daa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b9f0daa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7dfdc1b9\" data-id=\"7dfdc1b9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ec83f8 elementor-widget elementor-widget-global elementor-global-1379 elementor-widget-heading\" data-id=\"1ec83f8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u6b63\u6587<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-579f051e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"579f051e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92879fc elementor-widget elementor-widget-text-editor\" data-id=\"92879fc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u3000\u3000\u4e8c\u8fdb\u5236\u662f\u8ba1\u7b97\u6280\u672f\u4e2d\u5e7f\u6cdb\u91c7\u7528\u7684\u4e00\u79cd\u6570\u5236\u3002\u4e8c\u8fdb\u5236\u6570\u636e\u662f\u75280\u548c1\u4e24\u4e2a\u6570\u7801\u6765\u8868\u793a\u7684\u6570\u3002\u8ba1\u7b97\u673a\u7684\u57fa\u7840\u4fbf\u662f\u4e8c\u8fdb\u5236\uff0c\u518d\u65e9\u671f\u7684\u8bbe\u8ba1\u4e2d\u5e38\u7528\u7684\u8fdb\u5236\u4e3b\u8981\u4e3a10\u8fdb\u5236\uff0c\u4f46\u7531\u4e8e\u4f7f\u7528\u7535\u5b50\u7ba1\u8868\u793a\u5341\u79cd\u72b6\u6001\u8fc7\u4e8e\u590d\u6742\uff0c\u6240\u4ee5\u6240\u6709\u7684\u7535\u5b50\u8ba1\u7b97\u673a\u4e2d\u53ea\u6709\u4e24\u79cd\u57fa\u672c\u7684\u72b6\u6001\uff0c\u5f00\u548c\u5173\u3002<\/p><p>\u3000\u3000\u5728\u672c\u7247\u6587\u7ae0\u4e2d\uff0c\u6211\u4f1a\u7c97\u6d45\u7684\u8bf4\u660e\u4e8c\u8fdb\u5236\u7684\u90e8\u4efd\u77e5\u8bc6\u3001Java\u4e2d\u4e8c\u8fdb\u5236\u7684\u57fa\u672c\u8fd0\u7b97\u548c\u591a\u79cd\u8bed\u8a00\u901a\u7528\u7684\u7684\u4e8c\u8fdb\u5236\u4f4d\u8fd0\u7b97\u3002<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7212bb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7212bb2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-01eb587\" data-id=\"01eb587\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-50c0179 elementor-widget elementor-widget-heading\" data-id=\"50c0179\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u539f\u7801\u3001\u53cd\u7801\u3001\u8865\u7801<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2883163 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2883163\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b830ce3 elementor-widget elementor-widget-text-editor\" data-id=\"b830ce3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li><strong>\u539f\u7801<\/strong><\/li><\/ul><p>\u3000\u3000\u4e00\u4e2a\u6574\u6570\u7684\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u4ee5int\u7c7b\u578b\u4e3a\u4f8b\uff0cint\u7c7b\u578b\u5360\u636e4\u4e2a\u5b57\u8282\uff0c\u517132\u4f4d\u3002<\/p><p>\u3000\u3000\u00a05\u7684\u539f\u7801\u4e3a\uff1a00000000 00000000 00000000 00000101<\/p><p>\u3000\u3000-5\u7684\u539f\u7801\u4e3a\uff1a10000000 00000000 00000000 00000101<\/p><ul><li><strong>\u53cd\u7801<\/strong><\/li><\/ul><p>\u3000\u3000\u6b63\u6570\u7684\u53cd\u7801\u4e0e\u539f\u7801\u76f8\u540c\uff0c\u800c\u8d1f\u6570\u7684\u53cd\u7801\uff0c\u662f\u8be5\u8d1f\u6570\u9664\u5f00\u7b26\u53f7\u4f4d\uff0c\u6240\u6709\u4f4d\u53d6\u53cd\u3002<\/p><p>\u3000\u3000\u00a05\u7684\u53cd\u7801\u4e3a\uff1a00000000 00000000 00000000 00000101<\/p><p>\u3000\u3000-5\u7684\u53cd\u7801\u4e3a\uff1a11111111 11111111 11111111 11111010<\/p><ul><li><strong>\u8865\u7801<\/strong><\/li><\/ul><p>\u3000\u3000\u6b63\u6570\u7684\u8865\u7801\u4e0e\u539f\u7801\u76f8\u540c\uff0c\u8d1f\u6570\u7684\u8865\u7801\u4e3a\u53cd\u7801\u6700\u4f4e\u4f4d\u52a01.<\/p><p>\u3000\u3000\u00a05\u7684\u8865\u7801\u4e3a\uff1a00000000 00000000 00000000 00000101<\/p><p>\u3000\u3000-5\u7684\u53cd\u7801\u4e3a\uff1a11111111 11111111 11111111 11111010 + 1 = 11111111 11111111 11111111 11111011<\/p><p>\u7b80\u8bb0\uff1a<\/p><p>\u3000\u3000\u6b63\u6570\uff1a\u539f\u7801 = \u53cd\u7801 = \u8865\u7801<\/p><p>\u3000\u3000\u8d1f\u6570\uff1a\u53cd\u7801 = \u539f\u7801\u9664\u7b26\u53f7\u4f4d\u9010\u4f4d\u53d6\u53cd<\/p><p>\u3000\u3000\u3000\u3000\u3000\u8865\u7801 = \u53cd\u7801 + 1<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9265135 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9265135\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d017aeb\" data-id=\"d017aeb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-10d106a elementor-widget elementor-widget-heading\" data-id=\"10d106a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Java\u4e2d\u7684\u4e8c\u8fdb\u5236<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dda9fc3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dda9fc3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9676c8b elementor-widget elementor-widget-text-editor\" data-id=\"9676c8b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u3000\u3000\u5bf9\u4e8e\u4e8c\u8fdb\u5236\uff0c\u6709\u4e09\u70b9\u9700\u8981\u6ce8\u610f\uff1a<\/p><ul><li><strong>\u4e8c\u8fdb\u5236\u539f\u7801\u7684\u6700\u9ad8\u4f4d\u662f\u7b26\u53f7\u4f4d\uff0c0\u4e3a\u6b63\u6570\uff0c1\u4e3a\u8d1f\u6570<\/strong><\/li><li><strong>Java\u4e2d\u6ca1\u6709\u65e0\u7b26\u53f7\u6570\uff08C++\u4e2d\u7684uint32_t\uff09<\/strong><\/li><li><strong>\u8ba1\u7b97\u673a\u91c7\u7528\u8865\u7801\u6570\u8fdb\u884c\u8fd0\u7b97<\/strong><\/li><\/ul><p>\u3000\u3000\u4ee5byte\u7c7b\u578b\u4e3a\u4f8b\uff0cbyte\u7c7b\u578b\u5360\u636e1\u4e2a\u5b57\u8282\uff0c\u51718\u4e2a\u8fdb\u5236\u3002<\/p><p>\u3000\u3000\u5bf9\u4e8e\u5341\u8fdb\u5236\u6574\u65705\uff0c\u4e8c\u8fdb\u5236\u771f\u503c\u4e3a101\uff0c\u539f\u7801\u8868\u793a\u4e3a0000 0101\u3002<\/p><p>\u3000\u3000\u5bf9\u4e8e\u5341\u8fdb\u5236\u6574\u6570-5\uff0c\u4e8c\u8fdb\u5236\u771f\u503c\u4e3a-101\uff0c\u539f\u7801\u8868\u793a\u4e3a1000 0101\u3002<\/p><p>\u3000\u3000\u6240\u4ee5\uff0c\u5bf9\u4e8e\u5e26\u7b26\u53f7\u4f4d\u76848\u4f4d\u4e8c\u8fdb\u5236\u6570\u7684\u8868\u793a\u8303\u56f4\u662f 1111 1111 ~ 0111 1111\uff0c\u65e2-127 ~ 127\uff08-\uff082^7 &#8211; 1\uff09\u00a0 ~ 2^7 &#8211; 1\uff09\u3002<\/p><p>\u3000\u3000\u800c\u5728Java\u4e2d\uff0c\u8d1f\u6570\u4f7f\u7528\u7684\u662f\u8865\u7801\u8868\u793a\uff0c\u6240\u4ee5Java\u4e2dbyte\u7c7b\u578b\u7684\u8868\u793a\u8303\u56f4\u5b9e\u9645\u4e0a\u662f1000 0000 ~ 0111 1111\uff0c\u65e2-128 ~ 127\uff08-2^7 ~ 2^7 &#8211; 1\uff09\u3002<\/p><p>\u3000\u3000\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u8ba1\u7b97\u673a\u91c7\u7528\u8865\u7801\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u7b80\u5355\u5730\u8bf4\u662f\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u6570\u5b66\u5b9a\u4e49\u7684\u52a0\u51cf\u6cd5\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u4ec5\u901a\u8fc7\u52a0\u6cd5\u4fbf\u80fd\u5b8c\u6210\u4e24\u79cd\u8fd0\u7b97\u3002\u60f3\u4e86\u89e3\u66f4\u591a\u53ef\u70b9\u51fb\uff1a<span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.cnblogs.com\/myseries\/p\/5204878.html\">\u8ba1\u7b97\u673a\u4e3a\u4ec0\u4e48\u91c7\u7528\u8865\u7801\u8fdb\u884c\u8fd0\u7b97<\/a><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e4de9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e4de9e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-decf729\" data-id=\"decf729\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b129efc elementor-widget elementor-widget-heading\" data-id=\"b129efc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u4f4d\u8fd0\u7b97<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59c9de6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"59c9de6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d253647 elementor-widget elementor-widget-text-editor\" data-id=\"d253647\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u3000\u3000\u4ee5\u4e0b\u7684\u8ba1\u7b97\u6f14\u793a\u5747\u4ee5int\u4f5c\u4e3a\u6570\u636e\u7c7b\u578b<\/p><p>\u3000\u3000\u00a0 5\uff1a00000000 00000000 00000000 00000101<\/p><p>\u3000\u3000\u00a0-5\uff1a11111111 11111111 11111111 11111011<\/p><p>\u3000\u3000\u00a010\uff1a00000000 00000000 00000000 00001010<\/p><p>\u3000\u3000-10\uff1a11111111 11111111 11111111 11110110<\/p><ul><li><strong>&lt;&lt;\uff08\u5e26\u7b26\u53f7\u5de6\u79fb\uff09<\/strong><\/li><\/ul><p align=\"left\">\u3000\u3000\u4e00\u4e2a\u6570\u7684\u5404\u4e8c\u8fdb\u5236\u4f4d\u5168\u90e8\u5de6\u79fb\u82e5\u5e72\u4f4d\uff0c\u5de6\u8fb9\u7684\u4e8c\u8fdb\u5236\u4f4d\u4e22\u5f03\uff0c\u53f3\u8fb9\u88650\u3002<\/p><p align=\"left\">\u3000\u3000\u5bf9\u4e8e\u6b63\u6570\uff0c\u5219\u6bcf\u5de6\u79fb\u4e00\u4f4d\uff0c\u76f8\u5f53\u4e8e\u8be5\u6570\u4e58\u4ee52\u3002<\/p><p>\u3000\u3000\u00a05 &lt;&lt; 2 = 00000000 00000000 00000000 00010100<\/p><p>\u3000\u3000-5 &lt;&lt; 2 = 11111111 11111111 11111111 11101100<\/p><ul><li><strong>&gt;&gt;\uff08\u5e26\u7b26\u53f7\u53f3\u79fb\uff09<\/strong><\/li><\/ul><p>\u3000\u3000\u5c06\u4e00\u4e2a\u6570\u7684\u5404\u4e8c\u8fdb\u5236\u4f4d\u5168\u90e8\u53f3\u79fb\u82e5\u5e72\u4f4d\uff0c<span style=\"color: #ff0000;\">\u6b63\u6570\u5de6\u88650\uff0c\u8d1f\u6570\u5de6\u88651<\/span>\uff0c\u53f3\u8fb9\u4e22\u5f03\u3002<\/p><p>\u3000\u3000\u5bf9\u4e8e\u6b63\u6570\uff0c\u64cd\u4f5c\u6570\u6bcf\u53f3\u79fb\u4e00\u4f4d\uff0c\u76f8\u5f53\u4e8e\u8be5\u6570\u9664\u4ee52\u3002<\/p><p>\u3000\u3000\u00a05 &gt;&gt; 2 = 00000000 00000000 00000000 00000001<\/p><p>\u3000\u3000-5 &gt;&gt; 2 = 11111111 11111111 11111111 11111110<\/p><ul><li><strong>&gt;&gt;&gt;\uff08\u65e0\u7b26\u53f7\u53f3\u79fb\uff09<\/strong><\/li><\/ul><p>\u3000\u3000\u5c06\u4e00\u4e2a\u6570\u7684\u5404\u4e8c\u8fdb\u5236\u4f4d\u5168\u90e8\u53f3\u79fb\u82e5\u5e72\u4f4d\uff0c<span style=\"color: #ff0000;\">\u4e0d\u5206\u6b63\u8d1f\uff0c\u5de6\u88650<\/span>\uff0c\u53f3\u8fb9\u4e22\u5f03\u3002<\/p><p>\u3000\u3000\u00a05 &gt;&gt;&gt; 2 = 00000000 00000000 00000000 00000001<\/p><p>\u3000\u3000-5 &gt;&gt;&gt; 2 = 00111111 11111111 11111111 11111110<\/p><ul><li><strong>&amp;\uff08\u4e0e\uff09<\/strong><\/li><\/ul><p>\u3000\u30000 &amp; 0 = 0\uff1b0 &amp; 1 = 0\uff1b1 &amp; 0 = 0\uff1b1 &amp; 1 = 0\uff08\u67090\u52190\uff0c\u51681\u4e3a1\uff09<\/p><p>\u3000\u3000\u00a0 5 &amp; 10 = 00000000 00000000 00000000 00000000<\/p><p>\u3000\u3000-5 &amp; -10 = 11111111 11111111 11111111 11110010<\/p><ul><li><strong>|\uff08\u6216\uff09<\/strong><\/li><\/ul><p>\u3000\u30000 | 0 = 0\uff1b0 | 1 = 1\uff1b1 | 0 = 1\uff1b1 | 1 = 1\uff08\u67091\u52191\uff0c\u51680\u4e3a0\uff09<\/p><p>\u3000\u3000\u00a0 5 | 10 = 00000000 00000000 00000000 00001111<\/p><p>\u3000\u3000-5 | -10 = 11111111 11111111 11111111 11111111<\/p><ul><li><strong>^\uff08\u5f02\u6216\uff09<\/strong><\/li><\/ul><p>\u3000\u30000 ^ 0 = 0\uff1b0 ^ 1 = 1\uff1b1 ^ 0 = 1\uff1b1 ^ 1 = 0\uff08\u76f8\u540c\u4e3a0\uff0c\u76f8\u5f02\u4e3a1\uff09<\/p><p>\u3000\u3000\u00a0 5 ^ 10 = 00000000 00000000 00000000 00001111<\/p><p>\u3000\u3000-5 ^ -10 = 00000000 00000000 00000000 00001101<\/p><ul><li><strong>~\uff08\u53d6\u53cd\uff09<\/strong><\/li><\/ul><p>\u3000\u3000\u5c06\u4e00\u4e2a\u6570\u7684\u5404\u4e8c\u8fdb\u5236\u4f4d\u5168\u90e8\u53d6\u53cd\uff0c\u5373\u5c060\u53d8\u4e3a1\uff0c1\u53d80<\/p><p>\u3000\u3000~5 = 11111111 11111111 11111111 11111010<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4b03d29 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4b03d29\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cbaa836\" data-id=\"cbaa836\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17abbf2 elementor-widget elementor-widget-heading\" data-id=\"17abbf2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u4f4d\u8fd0\u7b97\u7684\u90e8\u4efd\u6280\u5de7\u7528\u6cd5<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef32fed elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ef32fed\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cf8edd elementor-widget elementor-widget-text-editor\" data-id=\"8cf8edd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li><strong>\u53bb\u9664\u4e8c\u8fdb\u5236\u4e2d\u6700\u540e\u4e00\u4e2a1<\/strong><\/li><\/ul><p>\u3000\u3000n &amp; (n &#8211; 1)<\/p><p>\u3000\u3000\u6269\u5c55\u6b64\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8fc5\u901f\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u5426\u4e3a2\u7684\u5e42\u6b21\u65b9<\/p><ul><li><strong>\u4ea4\u6362\u6570\u636e<\/strong><\/li><\/ul><p>\u3000\u3000n = n ^ m;<br \/>\u3000\u3000m = m ^ n;<br \/>\u3000\u3000n = n ^ m;<\/p><p>\u3000\u3000\u539f\u7406\u662f\u5f02\u6216\u8fd0\u7b97\u7b26\u5408\u4ea4\u6362\u5f8b\uff0c\u5e76\u4e14\u4e00\u4e2a\u6570\u5f02\u6216\u672c\u8eab\u7b49\u4e8e0\uff0c\u4e00\u4e2a\u6570\u5f02\u62160\u7b49\u4e8e\u672c\u8eab\u3002<\/p><ul><li><strong>\u4f7f\u7279\u5b9a\u4e8c\u8fdb\u5236\u4f4d\u7ffb\u8f6c<\/strong><\/li><\/ul><p>\u3000\u3000\u8bbe\u4e00\u4e2a\u6570n\uff0c\u5bf9\u5e94n\u8981\u7ffb\u8f6c\u7684\u4f4d\uff0c\u8be5\u6570\u7684\u5bf9\u5e94\u4e3a1\uff0c\u5176\u4f59\u4f4d\u4e3a\u96f6\uff0c\u6b64\u6570\u4e0en\u5bf9\u5e94\u4f4d\u5f02\u6216\u5373\u53ef\u3002<\/p><p>\u3000\u3000\u5982n=1010 1011\uff0c\u4f7fn\u4f4e\u56db\u4f4d\u7ffb\u8f6c\uff0cn^0000 1111=1010 0100\u3002<\/p><ul><li><strong>\u98a0\u5012\u6574\u4e2a\u4e8c\u8fdb\u5236\u4e32<\/strong><\/li><\/ul><p>\u3000\u3000\u4ee5\u4e0b\u662f\u4e2a\u4eba\u4ee3\u7801\uff0c\u8fdb\u9636\u5efa\u8bae\u53c2\u8003Integer.reverse()\u65b9\u6cd5\u6e90\u7801\u3002<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85cebf5 elementor-widget elementor-widget-code-highlight\" data-id=\"85cebf5\" data-element_type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"prismjs-tomorrow copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-java line-numbers\">\n\t\t\t\t<code readonly=\"true\" class=\"language-java\">\n\t\t\t\t\t<xmp>int n = 0b11111110_10010100_00011110_10011111;\r\n\r\nint M1 = 0b01010101_01010101_01010101_01010101;\r\nint M2 = 0b00110011_00110011_00110011_00110011;\r\nint M3 = 0b00001111_00001111_00001111_00001111;\r\nint M4 = 0b00000000_11111111_00000000_11111111;\r\n\r\nn = ((n & M1) << 1) | ((n >>> 1) & M1);\r\nn = ((n & M2) << 2) | ((n >>> 2) & M2);\r\nn = ((n & M3) << 4) | ((n >>> 4) & M3);\r\nn = ((n & M4) << 8) | ((n >>> 8) & M4);\r\nn = (n >>> 16) | (n << 16);<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Java\u4e2d\u7684\u4e8c\u8fdb\u5236\u4e0e\u4f4d\u8fd0\u7b97 \u524d\u8a00 \u3000\u3000\u4e8c\u8fdb\u5236\u662f\u8ba1\u7b97\u6280\u672f\u4e2d\u5e7f\u6cdb\u91c7\u7528\u7684\u4e00\u79cd\u6570\u5236\u3002\u4e8c\u8fdb\u5236\u6570\u636e\u662f\u75280\u548c1\u4e24\u4e2a\u6570\u7801\u6765\u8868\u793a &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.xinot.icu\/?p=945\"> <span class=\"screen-reader-text\">Java\u4e2d\u7684\u4e8c\u8fdb\u5236\u4e0e\u4f4d\u8fd0\u7b97<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-945","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-24"],"_links":{"self":[{"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/posts\/945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=945"}],"version-history":[{"count":69,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/posts\/945\/revisions"}],"predecessor-version":[{"id":1495,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/posts\/945\/revisions\/1495"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=\/wp\/v2\/media\/1052"}],"wp:attachment":[{"href":"https:\/\/www.xinot.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xinot.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}