{"id":242,"date":"2026-09-13T16:46:40","date_gmt":"2026-09-13T08:46:40","guid":{"rendered":"http:\/\/117.72.184.201\/?p=242"},"modified":"2026-09-13T16:47:09","modified_gmt":"2026-09-13T08:47:09","slug":"java%e5%9f%ba%e7%a1%80%e5%b0%8f%e6%a8%a1%e5%9d%97-%e5%ad%97%e9%9d%a2%e9%87%8f","status":"publish","type":"post","link":"https:\/\/jinrunshan.cn\/index.php\/2026\/09\/13\/java%e5%9f%ba%e7%a1%80%e5%b0%8f%e6%a8%a1%e5%9d%97-%e5%ad%97%e9%9d%a2%e9%87%8f\/","title":{"rendered":"java\u57fa\u7840\u5c0f\u6a21\u5757\u2014\u2014\u5b57\u9762\u91cf"},"content":{"rendered":"\n<pre class=\"wp-block-preformatted\"><br>\n## \u6574\u4f53\u6d41\u7a0b\u56fe\n\n```mermaid\nflowchart TD\n    A[\u5b57\u9762\u91cf Literal] --&gt; B[\u6838\u5fc3\u5b9a\u4e49\uff1a\u6570\u636e\u5728\u7a0b\u5e8f\u4e2d\u7684\u4e66\u5199\u683c\u5f0f]\n    B --&gt; C[\u516d\u5927\u7c7b\u6570\u636e]\n    C --&gt; D[\u6570\u503c\u578b]\n    C --&gt; E[\u6587\u672c\u578b]\n    C --&gt; F[\u903b\u8f91\u4e0e\u7a7a\u503c]\n    D --&gt; D1[\u6574\u6570\uff1a\u76f4\u63a5\u4e66\u5199 666 \/ -88]\n    D --&gt; D2[\u5c0f\u6570\uff1a\u5e26\u5c0f\u6570\u70b9 13.14 \/ -5.21]\n    E --&gt; E1[\u5b57\u7b26\u4e32\uff1a\u53cc\u5f15\u53f7\uff0c\u5185\u5bb9\u4efb\u610f\u53ef\u7a7a]\n    E --&gt; E2[\u5b57\u7b26\uff1a\u5355\u5f15\u53f7\uff0c\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a\u5b57\u7b26]\n    F --&gt; F1[\u5e03\u5c14\uff1atrue \/ false \u8868\u793a\u5224\u65ad\u7ed3\u679c]\n    F --&gt; F2[\u7a7a\uff1anull \u8868\u793a\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u4e0d\u80fd\u76f4\u63a5\u6253\u5370]\n    B --&gt; G[\u7279\u6b8a\u5b57\u7b26\u5b57\u9762\u91cf]\n    G --&gt; G1[\u8f6c\u4e49\u5b57\u7b26\uff1a\\t \\r \\n]\n    G1 --&gt; G2[\\t \u5236\u8868\u7b26\uff1a\u5c06\u524d\u9762\u5b57\u7b26\u4e32\u957f\u5ea6\u8865\u9f50\u5230 8 \u6216 8 \u7684\u500d\u6570]\n    G2 --&gt; G3[\u5e94\u7528\u573a\u666f\uff1a\u8868\u683c\u6570\u636e\u5bf9\u9f50]\n```\n\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5404\u7ae0\u8282\u8be6\u7ec6\u77e5\u8bc6\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc \u4e00\u3001\u5b57\u9762\u91cf\u7684\u5b9a\u4e49\u4e0e\u5206\u7c7b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u9898\u5185\u5bb9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u9762\u91cf\u662f Java \u57fa\u7840\u8bed\u6cd5\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\uff0c\u672c\u8d28\u4e0a\u662f<strong>\u6570\u636e\u5728\u7a0b\u5e8f\u4e2d\u7684\u4e66\u5199\u683c\u5f0f<\/strong>\u3002\u5b83\u544a\u8bc9\u7a0b\u5e8f\u5458\uff1a\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5728\u4ee3\u7801\u91cc\u5e94\u5f53\u4ee5\u4ec0\u4e48\u6837\u7684\u5f62\u5f0f\u5448\u73b0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b57\u9762\u91cf\uff08Literal\uff09<\/strong>\uff1a\u6570\u636e\u5728\u7a0b\u5e8f\u4e2d\u7684\u4e66\u5199\u683c\u5f0f\u3002\u5728\u90e8\u5206\u8d44\u6599\u4e2d\u4e5f\u88ab\u79f0\u4f5c&#8221;\u5e38\u91cf&#8221;\u6216&#8221;\u5b57\u9762\u503c&#8221;\uff0c\u4f46&#8221;\u5e38\u91cf&#8221;\u8fd9\u4e00\u53eb\u6cd5\u5e76\u4e0d\u4e25\u8c28\uff0c\u6700\u89c4\u8303\u7684\u8bf4\u6cd5\u4ecd\u662f<strong>\u5b57\u9762\u91cf<\/strong>\u3002<\/li>\n\n\n\n<li>\u5b57\u9762\u91cf\u89e3\u51b3\u7684\u6838\u5fc3\u95ee\u9898\u662f\uff1a\u5728\u4ee3\u7801\u4e2d\u8981\u4e66\u5199&#8221;18 \u5c81&#8221;&#8221;\u5c3c\u53e4\u62c9\u65af\u963f\u4f1f&#8221;&#8221;1 \u7c73 93&#8243;\u8fd9\u7c7b\u6570\u636e\u65f6\uff0c\u5e94\u5f53\u91c7\u7528\u4f55\u79cd\u8bed\u6cd5\u5f62\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u7279\u6027\/\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u9762\u91cf\u4e00\u5171\u8986\u76d6<strong>\u516d\u5927\u7c7b\u6570\u636e<\/strong>\uff0c\u53ef\u5f52\u4e3a\u4e09\u7ec4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/jinrunshan.cn\/wp-content\/uploads\/2026\/09\/image-2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  fetchpriority=\"high\" decoding=\"async\" width=\"546\" height=\"473\" data-original=\"https:\/\/jinrunshan.cn\/wp-content\/uploads\/2026\/09\/image-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-244\"  sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5206\u7ec4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7c7b\u578b<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5173\u952e\u7279\u5f81<\/th><\/tr><\/thead><tbody><tr><td>\u6570\u503c\u578b<\/td><td>\u6574\u6570\u3001\u5c0f\u6570<\/td><td>\u76f4\u63a5\u4e66\u5199\uff0c\u65e0\u9700\u989d\u5916\u7b26\u53f7<\/td><\/tr><tr><td>\u6587\u672c\u578b<\/td><td>\u5b57\u7b26\u4e32\u3001\u5b57\u7b26<\/td><td>\u9700\u7528\u5f15\u53f7\u5305\u88f9\uff0c\u533a\u5206\u5355\/\u53cc\u5f15\u53f7<\/td><\/tr><tr><td>\u903b\u8f91\u4e0e\u7a7a\u503c<\/td><td>\u5e03\u5c14\u3001\u7a7a<\/td><td>\u53ea\u6709\u56fa\u5b9a\u53d6\u503c\uff0c\u8bed\u4e49\u7279\u6b8a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bf9\u6bd4\/\u793a\u4f8b\/\u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/ \u5b57\u9762\u91cf\u5c31\u662f\u76f4\u63a5\u5199\u5728\u4ee3\u7801\u91cc\u7684\"\u503c\"<br>System.out.println(18); &nbsp; &nbsp; &nbsp; &nbsp;\/\/ \u6574\u6570\u5b57\u9762\u91cf<br>System.out.println(\"\u5c3c\u53e4\u62c9\u65af\u963f\u4f1f\"); \/\/ \u5b57\u7b26\u4e32\u5b57\u9762\u91cf<br>System.out.println(1.93); &nbsp; &nbsp; &nbsp;\/\/ \u5c0f\u6570\u5b57\u9762\u91cf<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879\uff1a\u5b57\u9762\u91cf\u662f<strong>\u503c\u7684\u5199\u6cd5<\/strong>\uff0c\u800c\u4e0d\u662f\u53d8\u91cf\u672c\u8eab\u3002\u5b83\u76f4\u63a5\u51fa\u73b0\u5728\u4ee3\u7801\u4e2d\uff0c\u8868\u793a\u4e00\u4e2a\u56fa\u5b9a\u4e0d\u53d8\u7684\u5177\u4f53\u6570\u636e\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc \u4e8c\u3001\u6574\u6570\u4e0e\u5c0f\u6570\uff08\u6570\u503c\u578b\u5b57\u9762\u91cf\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u9898\u5185\u5bb9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u6570\u548c\u5c0f\u6570\u662f\u516d\u7c7b\u5b57\u9762\u91cf\u4e2d<strong>\u6700\u7b80\u5355<\/strong>\u7684\u4e00\u7c7b\uff0c\u5c5e\u4e8e\u6570\u503c\u578b\u5b57\u9762\u91cf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6574\u6570\u5b57\u9762\u91cf<\/strong>\uff1a\u8868\u793a\u6ca1\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u503c\uff0c\u76f4\u63a5\u4e66\u5199\u5373\u53ef\uff0c\u65e0\u9700\u4efb\u4f55\u524d\u7f00\u6216\u540e\u7f00\u7b26\u53f7\u3002<\/li>\n\n\n\n<li><strong>\u5c0f\u6570\u5b57\u9762\u91cf<\/strong>\uff1a\u8868\u793a\u5e26\u5c0f\u6570\u90e8\u5206\u7684\u6570\u503c\uff0c\u901a\u8fc7<strong>\u5c0f\u6570\u70b9<\/strong>\u6765\u4f53\u73b0\uff0c\u540c\u6837\u76f4\u63a5\u4e66\u5199\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u7279\u6027\/\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u548c\u5c0f\u6570\u90fd\u652f\u6301<strong>\u6b63\u8d1f\u6570<\/strong>\uff0c\u8d1f\u6570\u5728\u6570\u5b57\u524d\u52a0 <code>-<\/code> \u53f7\u5373\u53ef\u3002<\/li>\n\n\n\n<li>\u6570\u503c\u578b\u5b57\u9762\u91cf\u5728\u4e66\u5199\u65f6<strong>\u4e0d\u9700\u8981\u5f15\u53f7<\/strong>\uff0c\u8fd9\u4e0e\u5b57\u7b26\u4e32\/\u5b57\u7b26\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bf9\u6bd4\/\u793a\u4f8b\/\u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">public class ValueDemo1 {<br> &nbsp; &nbsp;public static void main(String[] args) {<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(666); &nbsp; &nbsp; \/\/ \u6b63\u6574\u6570<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(-88); &nbsp; &nbsp; \/\/ \u8d1f\u6574\u6570<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(1.93); &nbsp; &nbsp;\/\/ \u6b63\u5c0f\u6570<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(-3.71); &nbsp; \/\/ \u8d1f\u5c0f\u6570<br> &nbsp;  }<br>}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u4e0e\u8fd0\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javac ValueDemo1.java &nbsp; # \u7f16\u8bd1<br>java ValueDemo1 &nbsp; &nbsp; &nbsp; &nbsp; # \u8fd0\u884c<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879\uff1a\u6574\u6570\u4e0e\u5c0f\u6570\u5199\u5b8c\u540e<strong>\u4e0d\u80fd\u76f4\u63a5\u5355\u72ec\u5360\u636e\u4e00\u884c\u4ee3\u7801<\/strong>\u2014\u2014\u56e0\u4e3a\u6570\u636e\u672c\u8eab\u4e0d\u6784\u6210\u4e00\u6761\u5b8c\u6574\u8bed\u53e5\uff0c\u5fc5\u987b\u653e\u5728\u67d0\u4e2a\u64cd\u4f5c\uff08\u5982 <code>System.out.println<\/code>\uff09\u4e2d\u624d\u6709\u610f\u4e49\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc \u4e09\u3001\u5b57\u7b26\u4e32\u4e0e\u5b57\u7b26\uff08\u6587\u672c\u578b\u5b57\u9762\u91cf\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u9898\u5185\u5bb9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u4e32\u4e0e\u5b57\u7b26\u662f\u6587\u672c\u578b\u5b57\u9762\u91cf\uff0c\u4e8c\u8005\u7684\u6838\u5fc3\u533a\u522b\u5728\u4e8e<strong>\u5f15\u53f7\u7c7b\u578b<\/strong>\u548c<strong>\u5185\u5bb9\u957f\u5ea6\u9650\u5236<\/strong>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b57\u7b26\u4e32\uff08String\uff09<\/strong>\uff1a\u7528<strong>\u53cc\u5f15\u53f7<\/strong> <code>\"...\"<\/code> \u5305\u88f9\u7684\u6587\u672c\u5185\u5bb9\uff0c\u7528\u4e8e\u8868\u793a\u4e00\u957f\u4e32\u6587\u672c\u3002<\/li>\n\n\n\n<li><strong>\u5b57\u7b26\uff08char\uff09<\/strong>\uff1a\u7528<strong>\u5355\u5f15\u53f7<\/strong> <code>'...'<\/code> \u5305\u88f9\u7684\u5355\u4e2a\u5b57\u7b26\uff0c\u7528\u4e8e\u8868\u793a<strong>\u6709\u4e14\u53ea\u6709\u4e00\u4e2a<\/strong>\u7684\u5b57\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u7279\u6027\/\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b57\u7b26\u4e32\u7684\u89c4\u5219\u2014\u2014\u5bbd\u677e\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u7528\u53cc\u5f15\u53f7\u5305\u88f9\u3002<\/li>\n\n\n\n<li>\u5185\u90e8\u5185\u5bb9<strong>\u4e0d\u53d7\u9650\u5236<\/strong>\uff1a\u53ef\u4ee5\u5199\u4efb\u610f\u5185\u5bb9\u3001\u4efb\u610f\u957f\u5ea6\u3002<\/li>\n\n\n\n<li>\u751a\u81f3\u53ef\u4ee5<strong>\u4ec0\u4e48\u90fd\u4e0d\u5199<\/strong>\uff08\u7a7a\u5b57\u7b26\u4e32 <code>\"\"<\/code>\uff09\uff0c\u4e5f\u5408\u6cd5\u3002<\/li>\n\n\n\n<li>\u53ea\u6709\u4e00\u4e2a\u7a7a\u683c <code>\" \"<\/code> \u540c\u6837\u662f\u5408\u6cd5\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b57\u7b26\u7684\u89c4\u5219\u2014\u2014\u4e25\u683c\uff08\u4e24\u4e2a\u6761\u4ef6\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u7528\u5355\u5f15\u53f7\u5305\u88f9\u3002<\/li>\n\n\n\n<li>\u5185\u90e8\u5185\u5bb9<strong>\u6709\u4e14\u53ea\u80fd\u6709\u4e00\u4e2a<\/strong>\uff0c\u53ef\u4ee5\u662f\u6570\u5b57\u3001\u5b57\u6bcd\u3001\u4e2d\u6587\u3001\u6807\u70b9\u7b26\u53f7\uff0c\u4f46\u6570\u91cf\u5fc5\u987b\u662f\u4e00\u4e2a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bf9\u6bd4\/\u793a\u4f8b\/\u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u4e66\u5199\u5f62\u5f0f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7c7b\u578b\u5224\u5b9a<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u662f\u5426\u5408\u6cd5<\/th><\/tr><\/thead><tbody><tr><td><code>\" \"<\/code>\uff08\u53cc\u5f15\u53f7\u5305\u4e00\u4e2a\u7a7a\u683c\uff09<\/td><td>\u5b57\u7b26\u4e32<\/td><td>\u2705 \u5408\u6cd5<\/td><\/tr><tr><td><code>\"\"<\/code>\uff08\u53cc\u5f15\u53f7\u5185\u4e3a\u7a7a\uff09<\/td><td>\u5b57\u7b26\u4e32\uff08\u7a7a\u4e32\uff09<\/td><td>\u2705 \u5408\u6cd5<\/td><\/tr><tr><td><code>'abc'<\/code>\uff08\u5355\u5f15\u53f7\u5305\u4e09\u4e2a\u5b57\u7b26\uff09<\/td><td>\u975e\u5b57\u7b26\uff0c\u4e5f\u975e\u4efb\u4f55\u7c7b\u578b<\/td><td>\u274c \u8bed\u6cd5\u9519\u8bef<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-preformatted\">public class ValueDemo1 {<br> &nbsp; &nbsp;public static void main(String[] args) {<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(\"\u9ed1\u9a6c\u7a0b\u5e8f\u5458\"); &nbsp; \/\/ \u5b57\u7b26\u4e32<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(\"\u5c3c\u53e4\u62c9\u65af\u963f\u4f1f\"); \/\/ \u5b57\u7b26\u4e32<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println('\u7537'); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\/\/ \u5b57\u7b26\uff08\u4e00\u4e2a\u4e2d\u6587\u5b57\u7b26\uff09<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println('\u5973'); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\/\/ \u5b57\u7b26<br> &nbsp;  }<br>}<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>'abc'<\/code> \u867d\u7136\u6ee1\u8db3\u4e86&#8221;\u5355\u5f15\u53f7\u5305\u88f9&#8221;\u8fd9\u4e00\u6761\u4ef6\uff0c\u4f46\u5185\u90e8\u6709\u4e09\u4e2a\u5b57\u7b26\uff0c<strong>\u8fdd\u53cd\u4e86&#8221;\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a&#8221;\u7684\u7ea6\u675f<\/strong>\uff0c\u56e0\u6b64\u5b83\u4e0d\u662f\u5b57\u7b26\u5b57\u9762\u91cf\uff0c\u4e5f\u4e0d\u662f\u4efb\u4f55\u5408\u6cd5\u5b57\u9762\u91cf\uff0c\u5f3a\u884c\u4e66\u5199\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u62a5\u9519\u3002<\/li>\n\n\n\n<li>\u5224\u65ad\u5b57\u7b26\u4e32\u8fd8\u662f\u5b57\u7b26\uff0c<strong>\u53ea\u770b\u5f15\u53f7\u7c7b\u578b\u548c\u5185\u5bb9\u6570\u91cf<\/strong>\uff0c\u4e0e\u5185\u5bb9\u672c\u8eab\u662f\u4e2d\u6587\u3001\u6570\u5b57\u8fd8\u662f\u6807\u70b9\u65e0\u5173\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc \u56db\u3001\u5e03\u5c14\u4e0e\u7a7a\u7c7b\u578b\uff08\u903b\u8f91\u4e0e\u7a7a\u503c\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u9898\u5185\u5bb9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u5c14\u7c7b\u578b\u548c\u7a7a\u7c7b\u578b\u662f\u516d\u7c7b\u5b57\u9762\u91cf\u4e2d<strong>\u53d6\u503c\u6700\u7279\u6b8a<\/strong>\u7684\u4e00\u7c7b\uff0c\u9700\u8981\u989d\u5916\u8bb0\u5fc6\u5176\u56fa\u5b9a\u53d6\u503c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e03\u5c14\uff08boolean\uff09<\/strong>\uff1a\u53ea\u6709\u4e24\u4e2a\u53d6\u503c\u2014\u2014<code>true<\/code>\uff08\u6b63\u786e\uff09\u548c <code>false<\/code>\uff08\u9519\u8bef\uff09\uff0c\u7528\u4e8e\u8868\u793a<strong>\u5224\u65ad\u7684\u7ed3\u679c<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u7a7a\uff08null\uff09<\/strong>\uff1a\u7279\u6b8a\u503c\uff0c\u8868\u793a<strong>\u4ec0\u4e48\u90fd\u6ca1\u6709<\/strong>\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u7279\u6027\/\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e03\u5c14\u7c7b\u578b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u9879\u76ee\u4e2d\u7528\u4e8e\u5206\u652f\u903b\u8f91\uff1a\u5224\u65ad\u7ed3\u679c\u4e0d\u540c\uff0c\u6267\u884c\u7684\u4ee3\u7801\u8def\u5f84\u4e5f\u4e0d\u540c\u3002<\/li>\n\n\n\n<li>\u5178\u578b\u573a\u666f\uff1a\u7528\u6237\u767b\u5f55\u6210\u529f\u4e3a <code>true<\/code>\uff0c\u767b\u5f55\u5931\u8d25\u4e3a <code>false<\/code>\uff0c\u4e24\u79cd\u60c5\u51b5\u4e0b\u6267\u884c\u4e0d\u540c\u4ee3\u7801\u3002<\/li>\n\n\n\n<li><code>true<\/code> \u548c <code>false<\/code> \u5728\u7f16\u8f91\u5668\u4e2d\u4f1a<strong>\u9ad8\u4eae\u663e\u793a<\/strong>\uff0c\u8bf4\u660e\u5b83\u4eec\u662f Java \u7684\u4fdd\u7559\u5b57\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7a7a\u7c7b\u578b <code>null<\/code>\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8868\u793a&#8221;\u4ec0\u4e48\u90fd\u6ca1\u6709&#8221;\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u80fd\u76f4\u63a5\u6253\u5370<\/strong>\u2014\u2014\u76f4\u63a5\u5199 <code>System.out.println(null)<\/code> \u4f1a\u7f16\u8bd1\u62a5\u9519\u3002<\/li>\n\n\n\n<li>\u82e5\u9700\u6253\u5370\uff0c\u53ea\u80fd\u7528<strong>\u5b57\u7b26\u4e32\u5f62\u5f0f<\/strong>\uff1a<code>System.out.println(\"null\")<\/code>\u3002<\/li>\n\n\n\n<li>\u540e\u7eed\u5728\u9762\u5411\u5bf9\u8c61\u9636\u6bb5\u4f1a\u518d\u6b21\u6df1\u5165\u5b66\u4e60\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bf9\u6bd4\/\u793a\u4f8b\/\u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">public class ValueDemo1 {<br> &nbsp; &nbsp;public static void main(String[] args) {<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(true); &nbsp; &nbsp;\/\/ \u5e03\u5c14\uff1a\u771f<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(false); &nbsp; \/\/ \u5e03\u5c14\uff1a\u5047<br> &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(\"null\"); &nbsp;\/\/ \u5fc5\u987b\u7528\u5b57\u7b26\u4e32\u5f62\u5f0f\u6253\u5370 null<br> &nbsp; &nbsp; &nbsp; &nbsp;\/\/ System.out.println(null); \/\/ \u274c \u76f4\u63a5\u6253\u5370 null \u4f1a\u62a5\u9519<br> &nbsp;  }<br>}<\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5b57\u9762\u91cf<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u53d6\u503c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u662f\u5426\u53ef\u76f4\u63a5\u6253\u5370<\/th><\/tr><\/thead><tbody><tr><td>\u5e03\u5c14<\/td><td><code>true<\/code> \/ <code>false<\/code><\/td><td>\u2705 \u53ef\u4ee5<\/td><\/tr><tr><td>\u7a7a<\/td><td><code>null<\/code><\/td><td>\u274c \u4e0d\u53ef\u4ee5\uff0c\u9700\u8f6c\u4e3a <code>\"null\"<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879\uff1a<code>null<\/code> \u4e0e <code>true<\/code>\u3001<code>false<\/code> \u867d\u7136\u90fd\u9ad8\u4eae\u663e\u793a\u3001\u8bed\u4e49\u7279\u6b8a\uff0c\u4f46 <code>null<\/code> \u8868\u793a\u7684\u662f&#8221;\u7a7a\u5f15\u7528&#8221;\u72b6\u6001\uff0c\u5176\u4f7f\u7528\u65f6\u673a\u548c\u9650\u5236\u4e0e\u5e03\u5c14\u503c\u5b8c\u5168\u4e0d\u540c\uff0c\u521d\u5b66\u9636\u6bb5\u53ea\u9700\u8bb0\u4f4f&#8221;\u4e0d\u80fd\u76f4\u63a5\u6253\u5370&#8221;\u5373\u53ef\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc \u4e94\u3001\u7279\u6b8a\u5b57\u7b26\u5b57\u9762\u91cf\u4e0e\u5236\u8868\u7b26 \\t<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/jinrunshan.cn\/wp-content\/uploads\/2026\/09\/image-1-1024x576.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"576\" data-original=\"https:\/\/jinrunshan.cn\/wp-content\/uploads\/2026\/09\/image-1-1024x576.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-243\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u9898\u5185\u5bb9<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b57\u7b26\u5b57\u9762\u91cf\u4e2d\u8fd8\u5305\u542b\u4e00\u6279<strong>\u7279\u6b8a\u5b57\u7b26<\/strong>\uff08\u8f6c\u4e49\u5b57\u7b26\uff09\uff0c\u5e38\u89c1\u7684\u5305\u62ec <code>\\t<\/code>\uff08\u5236\u8868\u7b26\uff09\u3001<code>\\r<\/code>\uff08\u56de\u8f66\uff09\u3001<code>\\n<\/code>\uff08\u6362\u884c\uff09\u7b49\uff0c\u5176\u4e2d <code>\\t<\/code> \u662f\u672c\u8282\u6df1\u5165\u8bb2\u89e3\u7684\u91cd\u70b9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8f6c\u4e49\u5b57\u7b26<\/strong>\uff1a\u4ee5\u53cd\u659c\u6760 <code>\\<\/code> \u5f00\u5934\u3001\u5177\u6709\u7279\u6b8a\u63a7\u5236\u542b\u4e49\u7684\u5b57\u7b26\uff0c\u5982 <code>\\t<\/code>\u3001<code>\\r<\/code>\u3001<code>\\n<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u5236\u8868\u7b26 <code>\\t<\/code><\/strong>\uff1a\u5728\u6253\u5370\u65f6\uff0c\u5c06<strong>\u524d\u9762\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8865\u9f50\u5230 8 \u6216 8 \u7684\u500d\u6570<\/strong>\uff0c\u6700\u5c11\u8865 1 \u4e2a\u7a7a\u683c\uff0c\u6700\u591a\u8865 8 \u4e2a\u7a7a\u683c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u6838\u5fc3\u7279\u6027\/\u5de5\u4f5c\u539f\u7406<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5236\u8868\u7b26 <code>\\t<\/code> \u7684\u6b63\u786e\u7406\u89e3\uff08\u5e38\u89c1\u9519\u8bef\u8bf4\u6cd5\uff1a\u7f29\u8fdb\u3001\u5bf9\u9f50\u3001\u5927\u7a7a\u683c\u2014\u2014\u8fd9\u4e9b\u90fd\u4e0d\u51c6\u786e\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\\t<\/code> \u53ea\u4e0e<strong>\u524d\u9762\u7684\u5b57\u7b26\u4e32\u957f\u5ea6<\/strong>\u6709\u5173\uff0c\u4e0e\u540e\u9762\u7684\u5b57\u7b26\u4e32\u65e0\u5173\u3002<\/li>\n\n\n\n<li>\u8865\u9f50\u89c4\u5219\uff1a\u524d\u9762\u7684\u957f\u5ea6\u5982\u679c\u662f 3\uff0c\u5219 <code>\\t<\/code> \u8865 5 \u4e2a\u7a7a\u683c\uff083 + 5 = 8\uff09\uff1b\u524d\u9762\u7684\u957f\u5ea6\u5982\u679c\u662f 4\uff0c\u5219\u8865 4 \u4e2a\u7a7a\u683c\uff084 + 4 = 8\uff09\u3002<\/li>\n\n\n\n<li>\u82e5\u524d\u9762\u957f\u5ea6\u5df2\u8fbe 8 \u7684\u500d\u6570\uff0c\u5219\u8865 8 \u4e2a\u7a7a\u683c\u5230\u4e0b\u4e00\u4e2a 8 \u7684\u500d\u6570\uff08\u4f46\u6700\u5c11\u8865 1 \u4e2a\u7a7a\u683c\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u7528\u9014\uff1a<\/strong> \u8ba9\u7c7b\u4f3c\u8868\u683c\u5f62\u5f0f\u7684\u6570\u636e\u5728\u6253\u5370\u65f6<strong>\u7eb5\u5411\u5bf9\u9f50<\/strong>\uff0c\u63d0\u5347\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5bf9\u6bd4\/\u793a\u4f8b\/\u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u52a0\u5236\u8868\u7b26\uff08\u6570\u636e\u6324\u5728\u4e00\u8d77\uff09\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">System.out.println(\"name\" + \"h\"); &nbsp; \/\/ \u8f93\u51fa\uff1anameh<br>System.out.println(\"Tom\" + \"23\"); &nbsp; \/\/ \u8f93\u51fa\uff1aTom23<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u52a0\u5236\u8868\u7b26\uff08\u6570\u636e\u5bf9\u9f50\uff09\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">System.out.println(\"name\" + \"\\t\" + \"h\"); &nbsp; \/\/ name(4\u5b57\u7b26)+4\u7a7a\u683c+h<br>System.out.println(\"Tom\" + \"\\t\" + \"23\"); &nbsp; \/\/ Tom(3\u5b57\u7b26)+5\u7a7a\u683c+23<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u6548\u679c\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5199\u6cd5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u524d\u6bb5\u957f\u5ea6<\/th><th class=\"has-text-align-left\" data-align=\"left\"><code>\\t<\/code> \u8865\u7a7a\u683c\u6570<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7ed3\u679c<\/th><\/tr><\/thead><tbody><tr><td><code>name + \"\\t\" + h<\/code><\/td><td>4<\/td><td>4<\/td><td><code>name h<\/code><\/td><\/tr><tr><td><code>Tom + \"\\t\" + 23<\/code><\/td><td>3<\/td><td>5<\/td><td><code>Tom 23<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\\t<\/code> \u65e2\u53ef\u4ee5\u7528<strong>\u5355\u5f15\u53f7<\/strong>\uff08\u5b57\u7b26\u5f62\u5f0f <code>'\\t'<\/code>\uff09\u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u7528<strong>\u53cc\u5f15\u53f7<\/strong>\uff08\u5b57\u7b26\u4e32\u5f62\u5f0f <code>\"\\t\"<\/code>\uff09\u8868\u793a\uff0c\u4e8c\u8005\u7686\u53ef\u3002<\/li>\n\n\n\n<li><code>\\t<\/code> \u8865\u7a7a\u683c\u65f6<strong>\u53ea\u770b\u524d\u9762\u7684\u957f\u5ea6\uff0c\u4e0d\u770b\u540e\u9762\u7684\u957f\u5ea6<\/strong>\uff0c\u8fd9\u662f\u7406\u89e3\u5bf9\u9f50\u6548\u679c\u7684\u5173\u952e\u3002<\/li>\n\n\n\n<li>\u5b57\u7b26\u4e32\u4e4b\u95f4\u7528 <code>+<\/code> \u8fde\u63a5\u662f<strong>\u5b57\u7b26\u4e32\u62fc\u63a5<\/strong>\u64cd\u4f5c\uff0c\u4f1a\u628a\u524d\u540e\u6587\u672c\u5408\u5e76\u6210\u4e00\u4e2a\u6574\u4f53\u540e\u518d\u6253\u5370\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u8981\u70b9\u901f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u6982\u5ff5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u4e00\u53e5\u8bdd\u603b\u7ed3<\/th><\/tr><\/thead><tbody><tr><td>\u5b57\u9762\u91cf<\/td><td>\u6570\u636e\u5728\u7a0b\u5e8f\u4e2d\u7684\u4e66\u5199\u683c\u5f0f\uff0c\u5373\u503c\u672c\u8eab<\/td><\/tr><tr><td>\u6574\u6570<\/td><td>\u76f4\u63a5\u4e66\u5199\uff0c\u53ef\u6b63\u53ef\u8d1f\uff0c\u65e0\u9700\u7b26\u53f7<\/td><\/tr><tr><td>\u5c0f\u6570<\/td><td>\u5e26\u5c0f\u6570\u70b9\u4e66\u5199\uff0c\u53ef\u6b63\u53ef\u8d1f<\/td><\/tr><tr><td>\u5b57\u7b26\u4e32<\/td><td>\u53cc\u5f15\u53f7\u5305\u88f9\uff0c\u5185\u5bb9\u4efb\u610f\u3001\u53ef\u4e3a\u7a7a<\/td><\/tr><tr><td>\u5b57\u7b26<\/td><td>\u5355\u5f15\u53f7\u5305\u88f9\uff0c\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a\u5b57\u7b26<\/td><\/tr><tr><td><code>'abc'<\/code><\/td><td>\u975e\u6cd5\u5199\u6cd5\uff0c\u4e09\u4e2a\u5b57\u7b26\u4e0d\u80fd\u4f5c\u5b57\u7b26\u5b57\u9762\u91cf<\/td><\/tr><tr><td>\u5e03\u5c14<\/td><td>\u53ea\u6709 <code>true<\/code> \u548c <code>false<\/code>\uff0c\u8868\u793a\u5224\u65ad\u7ed3\u679c<\/td><\/tr><tr><td><code>null<\/code><\/td><td>\u8868\u793a&#8221;\u4ec0\u4e48\u90fd\u6ca1\u6709&#8221;\uff0c\u4e0d\u80fd\u76f4\u63a5\u6253\u5370<\/td><\/tr><tr><td><code>\\t<\/code><\/td><td>\u5236\u8868\u7b26\uff0c\u5c06\u524d\u6bb5\u957f\u5ea6\u8865\u9f50\u5230 8 \u6216 8 \u7684\u500d\u6570<\/td><\/tr><tr><td>\u5236\u8868\u7b26\u7528\u9014<\/td><td>\u8ba9\u8868\u683c\u578b\u6570\u636e\u5728\u6253\u5370\u65f6\u7eb5\u5411\u5bf9\u9f50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>## \u6574\u4f53\u6d41\u7a0b\u56fe &#8220;`mermaid flowchart TD A[\u5b57\u9762\u91cf Literal] &#8211;&gt;  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":130,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,18],"tags":[],"class_list":["post-242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-18"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>java\u57fa\u7840\u5c0f\u6a21\u5757\u2014\u2014\u5b57\u9762\u91cf - K-\u963f\u62c9\u65af\u6258<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"java\u57fa\u7840\u5c0f\u6a21\u5757\u2014\u2014\u5b57\u9762\u91cf - K-\u963f\u62c9\u65af\u6258\" \/>\n<meta property=\"og:description\" content=\"## \u6574\u4f53\u6d41\u7a0b\u56fe ```mermaid flowchart TD A[\u5b57\u9762\u91cf Literal] --&gt; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jinrunshan.cn\/index.php\/2026\/09\/13\/java\u57fa\u7840\u5c0f\u6a21\u5757-\u5b57\u9762\u91cf\/\" \/>\n<meta property=\"og:site_name\" content=\"K-\u963f\u62c9\u65af\u6258\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-13T08:46:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-13T08:47:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/jinrunshan.cn\/wp-content\/uploads\/2026\/09\/\u5fae\u4fe1\u56fe\u7247_20260906200225_203_36.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1119\" \/>\n\t<meta property=\"og:image:height\" content=\"1119\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alastor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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