{"id":1530,"date":"2026-06-02T08:43:19","date_gmt":"2026-06-02T00:43:19","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1530"},"modified":"2026-06-02T08:43:21","modified_gmt":"2026-06-02T00:43:21","slug":"%e3%80%90java%e3%80%91%e6%89%93%e5%8d%b0%e6%b5%81%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1530","title":{"rendered":"\u3010Java\u3011\u6253\u5370\u6d41\u8be6\u89e3"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6700\u8fd1\u4e00\u76f4\u5728\u68b3\u7406 Java IO \u6d41\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u524d\u9762\u548c\u5927\u5bb6\u5206\u4eab\u4e86\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\u7684\u57fa\u7840\u5185\u5bb9\uff0c\u4eca\u5929\u6211\u4eec\u7ee7\u7eed\u6765\u8bb2 IO \u4f53\u7cfb\u91cc<strong>\u4f7f\u7528\u9891\u7387\u6781\u9ad8<\/strong>\u7684\u6253\u5370\u6d41\u3002\u5728\u65e5\u5e38\u4ee3\u7801\u8c03\u8bd5\u3001\u7b80\u5355\u65e5\u5fd7\u8f93\u51fa\u3001\u63a7\u5236\u53f0\u6253\u5370\u573a\u666f\u4e2d\uff0c\u6253\u5370\u6d41\u51e0\u4e4e\u65e0\u5904\u4e0d\u5728\uff0c\u638c\u63e1\u5b83\u80fd\u8ba9\u6211\u4eec\u7684\u8f93\u51fa\u64cd\u4f5c\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\u9ad8\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6253\u5370\u6d41\u6982\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java \u4e13\u95e8\u63d0\u4f9b\u4e86\u4e24\u7c7b\u6253\u5370\u6d41\uff1a<code>PrintStream<\/code> \u548c <code>PrintWriter<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8c\u8005\u5f52\u5c5e\u4e0d\u540c\u6d41\u4f53\u7cfb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>PrintStream<\/code>\uff1a<strong>\u5b57\u8282\u6253\u5370\u6d41<\/strong>\uff0c\u7ee7\u627f\u81ea <code>OutputStream<\/code>\uff0c\u5c5e\u4e8e\u5b57\u8282\u6d41\uff1b<\/li>\n\n\n\n<li><code>PrintWriter<\/code>\uff1a<strong>\u5b57\u7b26\u6253\u5370\u6d41<\/strong>\uff0c\u7ee7\u627f\u81ea <code>Writer<\/code>\uff0c\u5c5e\u4e8e\u5b57\u7b26\u6d41\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e5f\u662f\u533a\u5206\u4e24\u8005\u4f7f\u7528\u573a\u666f\u7684\u6838\u5fc3\u4f9d\u636e\uff0c\u5904\u7406\u7eaf\u6587\u672c\u4f18\u5148\u7528\u5b57\u7b26\u6d41\uff0c\u5904\u7406\u5b57\u8282\u6570\u636e\u5219\u9009\u62e9\u5b57\u8282\u6253\u5370\u6d41\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6253\u5370\u6d41\u6838\u5fc3\u7279\u70b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u6bd4\u4e8e\u666e\u901a\u7684\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\uff0c\u6253\u5370\u6d41\u6709\u4e09\u5927\u7a81\u51fa\u4f18\u52bf\uff0c\u4e5f\u662f\u5b83\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u539f\u56e0\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362<\/strong>\uff1a\u652f\u6301\u516b\u5927\u57fa\u672c\u6570\u636e\u7c7b\u578b\u3001\u5bf9\u8c61\u3001\u5b57\u7b26\u4e32\u7b49\u6240\u6709\u6570\u636e\u7c7b\u578b\uff0c\u5e95\u5c42\u81ea\u52a8\u8f6c\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\uff0c\u4e0d\u7528\u624b\u52a8\u62fc\u63a5\u8f6c\u6362\uff1b<\/li>\n\n\n\n<li><strong>\u81ea\u5e26\u6362\u884c\u80fd\u529b<\/strong>\uff1a\u63d0\u4f9b\u4e13\u95e8\u7684\u6362\u884c\u65b9\u6cd5\uff0c\u7b80\u5316\u683c\u5f0f\u6392\u7248\uff1b<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\u76ee\u6807\u7075\u6d3b<\/strong>\uff1a\u65e2\u53ef\u4ee5\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u4e5f\u80fd\u76f4\u63a5\u8f93\u51fa\u5230\u6587\u4ef6\u3001\u7f51\u7edc\u6d41\u7b49\u76ee\u6807\u8282\u70b9\uff0c\u517c\u987e\u8c03\u8bd5\u548c\u6587\u4ef6\u5199\u5165\u573a\u666f\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8865\u5145\u8bf4\u660e\uff1a\u751f\u4ea7\u6b63\u5f0f\u9879\u76ee\u4e2d\u4e0d\u5efa\u8bae\u7528\u6253\u5370\u6d41\u505a\u65e5\u5fd7\u8bb0\u5f55\uff0c\u4e3b\u6d41\u4f1a\u4f7f\u7528 Logback\u3001SLF4J \u7b49\u4e13\u4e1a\u65e5\u5fd7\u6846\u67b6\uff0c\u6253\u5370\u6d41\u66f4\u591a\u7528\u4e8e\u672c\u5730\u8c03\u8bd5\u3001\u7b80\u5355\u811a\u672c\u8f93\u51fa\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001PrintStream \u5b57\u8282\u6253\u5370\u6d41\u5b9e\u6218<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e38\u7528\u57fa\u7840\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>PrintStream<\/code> \u6700\u5e38\u7528\u7684\u4e09\u7c7b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>print()<\/code>\uff1a\u539f\u6837\u8f93\u51fa\u5185\u5bb9\uff0c<strong>\u4e0d\u6362\u884c<\/strong>\uff1b<\/li>\n\n\n\n<li><code>println()<\/code>\uff1a\u8f93\u51fa\u5185\u5bb9\u540e<strong>\u81ea\u52a8\u6362\u884c<\/strong>\uff0c\u662f\u6211\u4eec\u63a7\u5236\u53f0\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1b<\/li>\n\n\n\n<li><code>printf()<\/code>\uff1a<strong>\u683c\u5f0f\u5316\u8f93\u51fa<\/strong>\uff0c\u652f\u6301\u81ea\u5b9a\u4e49\u683c\u5f0f\uff0c\u529f\u80fd\u5f3a\u5927\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5148\u5199\u57fa\u7840\u793a\u4f8b\uff0c\u6f14\u793a\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.PrintStream;\n\npublic class PrintStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ System.out \u672c\u8d28\u5c31\u662f PrintStream \u5bf9\u8c61\uff0c\u9ed8\u8ba4\u8f93\u51fa\u5230\u63a7\u5236\u53f0\n        PrintStream ps = System.out;\n\n        \/\/ \u8f93\u51fa\u4e0d\u540c\u6570\u636e\u7c7b\u578b\n        ps.print(100);        \/\/ \u6574\u6570\uff0c\u4e0d\u6362\u884c\n        ps.print(\" | \");\n        ps.print(3.14);       \/\/ \u6d6e\u70b9\u6570\n        ps.print(\" | \");\n        ps.print(true);       \/\/ \u5e03\u5c14\u503c\n\n        ps.println();         \/\/ \u5355\u7eaf\u6362\u884c\n        ps.println('A');      \/\/ \u5b57\u7b26 + \u81ea\u52a8\u6362\u884c\n        ps.println(\"Java\u6253\u5370\u6d41\"); \/\/ \u5b57\u7b26\u4e32\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>100 | 3.14 | true\nA\nJava\u6253\u5370\u6d41\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. printf \u683c\u5f0f\u5316\u8f93\u51fa\uff08\u91cd\u70b9\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>printf<\/code> \u662f\u683c\u5f0f\u5316\u8f93\u51fa\u7684\u6838\u5fc3\u65b9\u6cd5\uff0c\u65b9\u6cd5\u7b7e\u540d\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public PrintStream printf(String format, Object... args)\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>format<\/code>\uff1a\u683c\u5f0f\u5b57\u7b26\u4e32\uff0c\u7531<strong>\u666e\u901a\u5b57\u7b26<\/strong>\u548c<strong>\u8f6c\u6362\u8bf4\u660e\u7b26<\/strong>\u7ec4\u6210\uff1b<\/li>\n\n\n\n<li><code>args<\/code>\uff1a\u5f85\u8f93\u51fa\u7684\u53c2\u6570\u5217\u8868\uff0c\u548c\u683c\u5f0f\u7b26\u4e00\u4e00\u5bf9\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e38\u7528\u8f6c\u6362\u8bf4\u660e\u7b26<\/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\">\u683c\u5f0f\u7b26<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">%s<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u5b57\u7b26\u4e32<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%d \/ %i<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u5341\u8fdb\u5236\u6574\u6570<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u6d6e\u70b9\u6570<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%c<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u5355\u4e2a\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%b<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u5e03\u5c14\u503c<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%x \/ %X<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f93\u51fa\u5341\u516d\u8fdb\u5236\u6570\uff08\u5c0f\u5199 \/ \u5927\u5199\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">%n<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5e73\u53f0\u901a\u7528\u6362\u884c\u7b26<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u683c\u5f0f\u4fee\u9970\u7b26<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u57fa\u7840\u683c\u5f0f\u7b26\u5916\uff0c\u8fd8\u53ef\u4ee5\u642d\u914d\u4fee\u9970\u7b26\u63a7\u5236<strong>\u5bbd\u5ea6\u3001\u7cbe\u5ea6\u3001\u5bf9\u9f50<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5bbd\u5ea6<\/strong>\uff1a\u6307\u5b9a\u8f93\u51fa\u6700\u5c0f\u5360\u4f4d\u5bbd\u5ea6\uff0c\u4e0d\u8db3\u5219\u8865\u7a7a\u683c\uff1b<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6<\/strong>\uff1a\u6d6e\u70b9\u6570\u6307\u5b9a\u5c0f\u6570\u4f4d\u6570\uff0c\u5b57\u7b26\u4e32\u6307\u5b9a\u622a\u53d6\u957f\u5ea6\uff1b<\/li>\n\n\n\n<li><strong>\u5bf9\u9f50<\/strong>\uff1a<code>-<\/code> \u5de6\u5bf9\u9f50\uff0c\u9ed8\u8ba4\u53f3\u5bf9\u9f50\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u683c\u5f0f\u5316\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class PrintfDemo {\n    public static void main(String&#91;] args) {\n        String name = \"\u4e91\u626c\";\n        int age = 24;\n        double score = 95.678;\n\n        \/\/ \u57fa\u7840\u683c\u5f0f\u5316\n        System.out.printf(\"\u59d3\u540d\uff1a%s\uff0c\u5e74\u9f84\uff1a%d%n\", name, age);\n        \/\/ \u6d6e\u70b9\u6570\u4fdd\u75592\u4f4d\u5c0f\u6570\n        System.out.printf(\"\u5206\u6570\uff1a%.2f%n\", score);\n        \/\/ \u8bbe\u7f6e\u5bbd\u5ea6\u3001\u5de6\u5bf9\u9f50\n        System.out.printf(\"\u6210\u7ee9(\u5de6\u5bf9\u9f50\uff0c\u536010\u4f4d)\uff1a%-10.2f | \u539f\u59cb\u503c\uff1a%f%n\", score, score);\n        \/\/ \u8bbe\u7f6e\u5bbd\u5ea6\u3001\u53f3\u5bf9\u9f50\n        System.out.printf(\"\u6210\u7ee9(\u53f3\u5bf9\u9f50\uff0c\u536010\u4f4d)\uff1a%10.2f | \u539f\u59cb\u503c\uff1a%f%n\", score, score);\n        \/\/ \u5341\u516d\u8fdb\u5236\u8f93\u51fa\n        int num = 255;\n        System.out.printf(\"\u5341\u8fdb\u5236%d = \u5341\u516d\u8fdb\u5236\u5c0f\u5199%x = \u5927\u5199%X%n\", num, num, num);\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u59d3\u540d\uff1a\u4e91\u626c\uff0c\u5e74\u9f84\uff1a24\n\u5206\u6570\uff1a95.68\n\u6210\u7ee9(\u5de6\u5bf9\u9f50\uff0c\u536010\u4f4d)\uff1a95.68      | \u539f\u59cb\u503c\uff1a95.678000\n\u6210\u7ee9(\u53f3\u5bf9\u9f50\uff0c\u536010\u4f4d)\uff1a     95.68 | \u539f\u59cb\u503c\uff1a95.678000\n\u5341\u8fdb\u5236255 = \u5341\u516d\u8fdb\u5236\u5c0f\u5199ff = \u5927\u5199FF\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8f93\u51fa\u5185\u5bb9\u5230\u6587\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>PrintStream<\/code> \u4e0d\u4ec5\u80fd\u8f93\u51fa\u63a7\u5236\u53f0\uff0c\u4e5f\u53ef\u4ee5\u7ed1\u5b9a\u6587\u4ef6\u6d41\uff0c\u628a\u5185\u5bb9\u5199\u5165\u672c\u5730\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileOutputStream;\nimport java.io.PrintStream;\nimport java.io.IOException;\n\npublic class PrintStreamToFile {\n    public static void main(String&#91;] args) {\n        try (\n            \/\/ \u7ed1\u5b9a\u6587\u4ef6\u8f93\u51fa\u6d41\uff0c\u521b\u5efa\u6253\u5370\u6d41\n            FileOutputStream fos = new FileOutputStream(\"print.txt\");\n            PrintStream ps = new PrintStream(fos)\n        ) {\n            \/\/ \u5185\u5bb9\u5199\u5165\u6587\u4ef6\n            ps.println(\"Java \u6253\u5370\u6d41\u5199\u5165\u6587\u4ef6\");\n            ps.printf(\"\u6570\u5b57\uff1a%d\uff0c\u5c0f\u6570\uff1a%.1f%n\", 666, 8.8);\n            System.out.println(\"\u5199\u5165\u5b8c\u6210\uff01\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u540e\u9879\u76ee\u6839\u76ee\u5f55\u4f1a\u751f\u6210 <code>print.txt<\/code>\uff0c\u5185\u5bb9\u5373\u4e3a\u4ee3\u7801\u4e2d\u8f93\u51fa\u7684\u6587\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001PrintWriter \u5b57\u7b26\u6253\u5370\u6d41<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>PrintWriter<\/code> \u5c5e\u4e8e\u5b57\u7b26\u6253\u5370\u6d41\uff0c\u7528\u6cd5\u548c <code>PrintStream<\/code><strong>\u51e0\u4e4e\u5b8c\u5168\u4e00\u81f4<\/strong>\uff0c\u540c\u6837\u62e5\u6709 <code>print()<\/code>\u3001<code>println()<\/code>\u3001<code>printf()<\/code> \u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u6d41\u7684\u4f18\u52bf\uff1a<strong>\u5904\u7406\u4e2d\u6587\u3001\u7eaf\u6587\u672c\u65f6\u4e0d\u4f1a\u51fa\u73b0\u4e71\u7801<\/strong>\uff0c\u4e5f\u662f\u6587\u672c\u8f93\u51fa\u573a\u666f\u4e0b\u7684\u9996\u9009\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u7840\u4f7f\u7528\u793a\u4f8b\uff08\u63a7\u5236\u53f0 + \u6587\u4ef6\u8f93\u51fa\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileWriter;\nimport java.io.PrintWriter;\nimport java.io.IOException;\n\npublic class PrintWriterDemo {\n    public static void main(String&#91;] args) {\n        \/\/ 1. \u63a7\u5236\u53f0\u8f93\u51fa\n        PrintWriter pw1 = new PrintWriter(System.out);\n        pw1.println(\"PrintWriter \u5b57\u7b26\u6253\u5370\u6d41\");\n        pw1.printf(\"\u5b57\u7b26\uff1a%c\uff0c\u5e03\u5c14\u503c\uff1a%b%n\", 'Z', false);\n        pw1.flush(); \/\/ \u5b57\u7b26\u6d41\u5efa\u8bae\u624b\u52a8\u5237\u65b0\u7f13\u51b2\u533a\n\n        \/\/ 2. \u5199\u5165\u6587\u4ef6\n        try (PrintWriter pw2 = new PrintWriter(new FileWriter(\"writer.txt\"))) {\n            pw2.println(\"\u5b57\u7b26\u6d41\u5199\u5165\u4e2d\u6587\u6d4b\u8bd5\");\n            pw2.println(\"Java IO \u6d41\u7cfb\u5217\u6587\u7ae0\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/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\">\u5c0f\u63d0\u793a\uff1a\u5b57\u7b26\u6d41\u5e26\u6709\u7f13\u51b2\u533a\uff0c\u8f93\u51fa\u5b8c\u6210\u540e\u5efa\u8bae\u8c03\u7528 <code>flush()<\/code> \u5237\u65b0\uff0c\u4fdd\u8bc1\u6570\u636e\u7acb\u523b\u5199\u51fa\uff1b\u4f7f\u7528 try-with-resources \u8bed\u6cd5\u4f1a\u81ea\u52a8\u5173\u95ed\u6d41\u5e76\u5237\u65b0\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5370\u6d41\u5206\u4e3a <code>PrintStream<\/code>\uff08\u5b57\u8282\uff09\u548c <code>PrintWriter<\/code>\uff08\u5b57\u7b26\uff09\uff0c\u6587\u672c\u64cd\u4f5c\u4f18\u5148\u9009\u62e9 <code>PrintWriter<\/code>\uff1b<\/li>\n\n\n\n<li>\u6838\u5fc3\u65b9\u6cd5 <code>print\/println\/printf<\/code> \u5168\u8986\u76d6\u5e38\u89c4\u8f93\u51fa\u573a\u666f\uff0c<code>printf<\/code> \u662f\u683c\u5f0f\u5316\u8f93\u51fa\u7684\u5229\u5668\uff1b<\/li>\n\n\n\n<li>\u4e8c\u8005\u90fd\u53ef\u4ee5\u7ed1\u5b9a\u63a7\u5236\u53f0\u3001\u6587\u4ef6\u7b49\u8f93\u51fa\u6e90\uff0c\u9002\u914d\u8c03\u8bd5\u3001\u6587\u4ef6\u5199\u5165\u7b49\u573a\u666f\uff1b<\/li>\n\n\n\n<li>\u5b9a\u4f4d\u533a\u5206\uff1a\u672c\u5730\u8c03\u8bd5\u3001\u7b80\u5355\u8f93\u51fa\u7528\u6253\u5370\u6d41\uff0c\u7ebf\u4e0a\u9879\u76ee\u65e5\u5fd7\u52a1\u5fc5\u4f7f\u7528\u4e13\u4e1a\u65e5\u5fd7\u6846\u67b6\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u8fd9\u91cc\uff0cJava \u6253\u5370\u6d41\u7684\u6838\u5fc3\u77e5\u8bc6\u70b9\u548c\u5b9e\u6218\u7528\u6cd5\u5c31\u8bb2\u89e3\u5b8c\u4e86\u3002\u7ed3\u5408\u524d\u9762\u7684\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\u5185\u5bb9\uff0c\u6574\u4e2a IO \u57fa\u7840\u4f53\u7cfb\u5c31\u66f4\u52a0\u5b8c\u6574\u4e86\u3002\u540e\u7eed\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0 Java IO \u76f8\u5173\u7684\u8fdb\u9636\u5185\u5bb9\uff0c\u5927\u5bb6\u53ef\u4ee5\u6301\u7eed\u5173\u6ce8\uff5e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6700\u8fd1\u4e00\u76f4\u5728\u68b3\u7406 Java IO \u6d41\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u524d\u9762\u548c\u5927\u5bb6\u5206\u4eab\u4e86\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\u7684\u57fa\u7840\u5185\u5bb9\uff0c\u4eca\u5929\u6211\u4eec\u7ee7\u7eed\u6765<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1530\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1482,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1530"}],"version-history":[{"count":3,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1530\/revisions"}],"predecessor-version":[{"id":1533,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1530\/revisions\/1533"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1482"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}