{"id":814,"date":"2022-12-02T23:29:25","date_gmt":"2022-12-02T15:29:25","guid":{"rendered":"https:\/\/silverpond.cn\/?p=814"},"modified":"2025-04-15T13:18:44","modified_gmt":"2025-04-15T05:18:44","slug":"01_%e8%af%ad%e8%a8%80%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/silverpond.cn\/?p=814","title":{"rendered":"\u7b2c\u4e00\u7ae0 \u8bed\u8a00\u6982\u8ff0"},"content":{"rendered":"<h1>\u4e00\u3001\u8bed\u8a00\u6982\u8ff0<\/h1>\n<h2>\uff08\u4e00\uff09\u8ba1\u7b97\u673a\u8bed\u8a00\u6982\u8ff0<\/h2>\n<h3>1\u3001\u8ba1\u7b97\u673a\u7ec4\u6210<\/h3>\n<ul>\n<li>\n<p>\u786c\u4ef6\uff1a<\/p>\n<p>CPU\uff1a\u4e2d\u592e\u5904\u7406\u5668\uff0c\u8d1f\u8d23\u8fd0\u7b97\u3002<\/p>\n<p>\u5185\u5b58\uff1a\u4e34\u65f6\u6570\u636e\u5b58\u50a8\u7a7a\u95f4\uff0c\u65ad\u7535\u6570\u636e\u6d88\u5931\u3002<\/p>\n<p>\u786c\u76d8\uff1a\u6c38\u4e45\u5316\u5b58\u50a8\u8bbe\u5907\u3002<\/p>\n<p>\u4e3b\u677f\uff1a\u8f7d\u4f53\u3002<\/p>\n<p>\u7f51\u5361\uff1aLAN 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decoding=\"async\" src=\"D:JavaStudy\ufffd2-\u601d\u7ef4\u5bfc\u56feJava\u8f6f\u4ef6\u5f00\u53d1\u548c\u6267\u884c\u6d41\u7a0b.jpg\" alt=\" \" style=\"zoom:33%;\" \/><\/p>\n<h3>4\u3001JDK\u3001JRE\u3001JVM\u903b\u8f91\u5305\u542b\u5173\u7cfb<\/h3>\n<ul>\n<li>\n<p>JDK\uff08Java Development Kit\uff09\uff1a\u79f0\u4e4b\u4e3aJava\u5f00\u53d1\u5de5\u5177\u7bb1\uff0c\u5305\u542b\u4e86JRE\u548c\u5f00\u53d1\u5de5\u5177\u3002<\/p>\n<\/li>\n<li>\n<p>JRE\uff08Java Runtime Environment\uff09\uff1a\u79f0\u4e4b\u4e3aJava\u8fd0\u884c\u73af\u5883\uff0c\u5305\u542b\u4e86JVM\u548c\u6838\u5fc3\u7c7b\u5e93\uff08 API\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>JVM\uff08Java Virtual Machine\uff09\uff1a\u79f0\u4e4b\u4e3aJava\u865a\u62df\u673a\u3002<\/p>\n<\/li>\n<li>\n<p>JSR\u89c4\u8303\uff1aJava Specification Request\u3002<\/p>\n<\/li>\n<li>\n<p>JCP\u7ec4\u7ec7\uff1aJava Community Process\u3002<\/p>\n<\/li>\n<li>\n<p>RI\uff1aReference Implementation\u3002<\/p>\n<\/li>\n<li>\n<p>TCK\uff1aTechnology Compatibility Kit\u3002<\/p>\n<p><img decoding=\"async\" src=\"D:JavaStudy%EF%BF%BD2-%E6%80%9D%E7%BB%B4%E5%AF%BC%E5%9B%BEJDK-JRE-JVM.jpg\" alt=\"JDK-JRE-JVM\" style=\"zoom: 50%;\">\n<\/li>\n<\/ul>\n<h2>\uff08\u56db\uff09Java\u5f00\u53d1\u73af\u5883\u642d\u5efa<\/h2>\n<h3>1\u3001JDK\u5b89\u88c5<\/h3>\n<ul>\n<li>\n<p>\u5305\u542bJRE\u3001JVM\u7684\u5b89\u88c5<\/p>\n<table>\n<thead>\n<tr>\n<th>\u76ee\u5f55\u540d\u79f0<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>bin<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86JDK\u7684\u5404\u79cd\u5de5\u5177\u547d\u4ee4\u3002javac\u548cjava\u5c31\u653e\u5728\u8fd9\u4e2a\u76ee\u5f55\u3002<\/td>\n<\/tr>\n<tr>\n<td>conf<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86JDK\u7684\u76f8\u5173\u914d\u7f6e\u6587\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td>include<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86\u4e00\u4e9b\u5e73\u53f0\u7279\u5b9a\u7684\u5934\u6587\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td>jmods<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86JDK\u7684\u5404\u79cd\u6a21\u5757\u3002<\/td>\n<\/tr>\n<tr>\n<td>legal<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86JDK\u5404\u6a21\u5757\u7684\u6388\u6743\u6587\u6863\u3002<\/td>\n<\/tr>\n<tr>\n<td>lib<\/td>\n<td>\u8be5\u8def\u5f84\u4e0b\u5b58\u653e\u4e86JDK\u5de5\u5177\u7684\u4e00\u4e9b\u8865\u5145JAR\u5305\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h3>2\u3001path\u73af\u5883\u53d8\u91cf\u914d\u7f6e<\/h3>\n<ul>\n<li>\u5f15\u5bfcWindows OS\u5bfb\u5740\u547d\u4ee4\u6587\u4ef6\u3002<\/li>\n<li>Path\u672c\u8d28\u4e0a\u662f\u96b6\u5c5e\u4e8eWindows  OS\u7684\u4e00\u79cd\u64cd\u4f5c\u673a\u5236\u3002<\/li>\n<\/ul>\n<h3>3\u3001class path\u73af\u5883\u53d8\u91cf\u914d\u7f6e<\/h3>\n<ul>\n<li>\u5f15\u5bfcclassloader\u5bfb\u5740\u5b57\u8282\u7801\u6587\u4ef6\uff0c\u4f46\u662f\u56e0\u5176\u6539\u53d8\u4e86\u9ed8\u8ba4\u7684\u5bfb\u5740\u4f4d\u7f6e\uff0c\u56fa\u5b9a\u4e8e\u67d0\u4e00\u5904\uff0c\u6545\u6682\u65f6\u4e0d\u9700\u914d\u7f6e\u3002<\/li>\n<li>class path\u662fJava\u7279\u6709\u7684\u73af\u5883\u53d8\u91cf\uff0c\u9700\u8981\u5728Windows\u4e2d\u65b0\u5efa\u3002<\/li>\n<\/ul>\n<h3>4\u3001public class\u4e0eclass\u7684\u533a\u522b<\/h3>\n<ul>\n<li>\u4e00\u4e2ajava\u6e90\u6587\u4ef6\u4e2d\u53ef\u5b9a\u4e49\u591a\u4e2aclass\u3002<\/li>\n<li>\u4e00\u4e2aclass\u4f1a\u5b9a\u4e49\u751f\u6210\u4e00\u4e2axxx.class\u5b57\u8282\u7801\u6587\u4ef6\u3002<\/li>\n<li>\u4e00\u4e2ajava\u6e90\u6587\u4ef6\u4e2dpublic\u7684class\u4e0d\u662f\u5fc5\u987b\u7684\u3002<\/li>\n<li>\u4e00\u4e2ajava\u6e90\u6587\u4ef6\u4e2d\u5982\u679c\u5b9a\u4e49\u516c\u5f00\u7684\u7c7b\uff08public class\uff09\uff0c\u53ea\u80fd\u6709\u4e00\u4e2a\uff0c\u5e76\u4e14\u9700\u8981\u8be5\u7c7b\u540d\u79f0\u548cjava\u6e90\u6587\u4ef6\u540d\u79f0\u4e00\u81f4\u3002<\/li>\n<li>\u6bcf\u4e00\u4e2aclass\u4e2d\u90fd\u9700\u8981\u5199\u4e3b\u65b9\u3002<\/li>\n<li>\u60f3\u4ece\u54ea\u4e2a\u5165\u53e3\u8fdb\u53bb\uff0c\u5c31\u52a0\u8f7d\u54ea\u4e00\u4e2a\u7c7b\u5c31\u884c\uff0c\u4f46\u5728\u5f00\u53d1\u4e2d\uff0c\u4e00\u822c\u53ea\u6709\u4e00\u4e2a\u5165\u53e3\u3002<\/li>\n<\/ul>\n<h3>5\u3001JAVA_HOME<\/h3>\n<ul>\n<li>JAVA-WEB\u4e2d\u7684Tomcat\u670d\u52a1\u5668\u9700\u8981\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h3>6\u3001JAVA_HOME\u7684<code>bin<\/code>\u76ee\u5f55<\/h3>\n<ul>\n<li>java\uff1a\u8fd9\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f\u5176\u5b9e\u5c31\u662fJVM\uff0c\u8fd0\u884cJava\u7a0b\u5e8f\uff0c\u5c31\u662f\u542f\u52a8JVM\uff0c\u7136\u540e\u8ba9JVM\u6267\u884c\u6307\u5b9a\u7684\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u3002<\/li>\n<li>javac\uff1a\u8fd9\u662fJava\u7684\u7f16\u8bd1\u5668\uff0c\u5b83\u7528\u4e8e\u628aJava\u6e90\u7801\u6587\u4ef6\uff08\u4ee5<code>.java<\/code>\u540e\u7f00\u7ed3\u5c3e\uff09\u7f16\u8bd1\u4e3aJava\u5b57\u8282\u7801\u6587\u4ef6\uff08\u4ee5<code>.class<\/code>\u540e\u7f00\u7ed3\u5c3e\uff09\u3002<\/li>\n<li>jar\uff1a\u7528\u4e8e\u628a\u4e00\u7ec4<code>.class<\/code>\u6587\u4ef6\u6253\u5305\u6210\u4e00\u4e2a<code>.jar<\/code>\u6587\u4ef6\uff0c\u4fbf\u4e8e\u53d1\u5e03\u3002<\/li>\n<li>javadoc\uff1a\u7528\u4e8e\u4eceJava\u6e90\u7801\u4e2d\u81ea\u52a8\u63d0\u53d6\u6ce8\u91ca\u5e76\u751f\u6210\u6587\u6863\u3002<\/li>\n<li>jdb\uff1aJava\u8c03\u8bd5\u5668\uff0c\u7528\u4e8e\u5f00\u53d1\u9636\u6bb5\u7684\u8fd0\u884c\u8c03\u8bd5\u3002<\/li>\n<\/ul>\n<h2>\uff08\u4e94\uff09HelloWorld\u7a0b\u5e8f\u6f14\u793a<\/h2>\n<h3>1\u3001DOS\u547d\u4ee4<\/h3>\n<ul>\n<li>\n<p>Windows\u7cfb\u7edf\u4e2d\u590d\u5236\uff1a\u5149\u6807\u9009\u4e2d\uff0c\u53f3\u952e\u5355\u51fb\u5373\u590d\u5236\u5230\u526a\u5207\u677f\uff0c\u53ef\u76f4\u63a5\u7c98\u8d34\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u6587\u4ef6\u5939\u4e2d\u2018.\u2019\u8868\u793a\u5f53\u524d\u76ee\u5f55\u3002\u5728\u6587\u4ef6\u4e2d\u2018..\u2019\u8868\u793a\u8fd4\u56de\u4e0a\u4e00\u7ea7\u6587\u4ef6\u76ee\u5f55\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>DOS\u547d\u4ee4<\/th>\n<th>\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Win + R<\/td>\n<td>\u8fdb\u5165\u8fd0\u884c\u7a97\u53e3<\/td>\n<\/tr>\n<tr>\n<td>cmd<\/td>\n<td>\u8fdb\u5165\u547d\u4ee4\u7a97\u53e3(Command Prompt)<\/td>\n<\/tr>\n<tr>\n<td>mkdir<\/td>\n<td>\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\uff08make directory\uff09<\/td>\n<\/tr>\n<tr>\n<td>dir<\/td>\n<td>\u67e5\u770b\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u5185\u5bb9<\/td>\n<\/tr>\n<tr>\n<td>d:   c: \u7b49<\/td>\n<td>\u76d8\u7b26\u5207\u6362<\/td>\n<\/tr>\n<tr>\n<td>cd \u76ee\u5f55<\/td>\n<td>\u6539\u53d8\u4e00\u4e2a\u76ee\u5f55\uff08change directory\uff09<\/td>\n<\/tr>\n<tr>\n<td>cd..<\/td>\n<td>\u8fd4\u56de\u4e0a\u4e00\u7ea7\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td>cd \u76ee\u5f551\u76ee\u5f552<\/td>\n<td>\u8fdb\u5165\u591a\u7ea7\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td>cd<\/td>\n<td>\u9000\u56de\u5230\u76d8\u7b26\u66f4\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td>cls<\/td>\n<td>\u6e05\u5c4f(clear screen)<\/td>\n<\/tr>\n<tr>\n<td>exit<\/td>\n<td>\u9000\u51fa\u547d\u4ee4\u7a97\u53e3(exit)<\/td>\n<\/tr>\n<tr>\n<td>del<\/td>\n<td>\u5220\u9664\u547d\u4ee4(delete)<\/td>\n<\/tr>\n<tr>\n<td>Tab<\/td>\n<td>\u81ea\u52a8\u8865\u5168<\/td>\n<\/tr>\n<tr>\n<td>ipconfig<\/td>\n<td>\u67e5\u770b\u672c\u673aIP\u5730\u5740<\/td>\n<\/tr>\n<tr>\n<td>ping<\/td>\n<td>\u901a\u4fe1\u6b63\u5e38\u6d4b\u8bd5<\/td>\n<\/tr>\n<tr>\n<td>java -version<\/td>\n<td>java\u7a0b\u5e8f\u7684\u7248\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h3>2\u3001HelloWorld\u7a0b\u5e8f\u5728DOS\u7cfb\u7edf\u4e2d\u7684\u7f16\u8bd1\u548c\u6267\u884c<\/h3>\n<ul>\n<li>\n<pre><code class=\"language-java\">public class HelloWorld {\npublic static void main(String[] args) {\n    System.out.println(\"HelloWorld\");\n}\n}<\/code><\/pre>\n<\/li>\n<li>\n<table>\n<thead>\n<tr>\n<th>\u6267\u884c\u7ed3\u679c<\/th>\n<th>DOS\u547d\u4ee4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7f16\u8bd1\u547d\u4ee4<\/td>\n<td>Javac HelloWorld.java<\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u884c\u547d\u4ee4<\/td>\n<td>Java HelloWorld<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h3>3\u3001\u7edd\u5bf9\u8def\u5f84\u548c\u76f8\u5bf9\u8def\u5f84<\/h3>\n<ul>\n<li>\u7edd\u5bf9\u8def\u5f84\uff1a\u5728Windows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u51e1\u662f\u8def\u5f84\u8d77\u70b9\u662f\u76d8\u7b26\u7684\u90fd\u662f\u7edd\u5bf9\u8def\u5f84\u3002<\/li>\n<li>\u76f8\u5bf9\u8def\u5f84\uff1a\u76f8\u5bf9\u4e8e\u5f53\u524d\u4f4d\u7f6e\u800c\u8a00\uff0c\u4ece\u5f53\u524d\u4f5c\u4e3a\u4f4d\u7f6e\u7684\u8d77\u70b9\u7684\u8def\u5f84\uff0c\u9700\u6709\u53c2\u7167\u7cfb \u3002<\/li>\n<\/ul>\n<h3>4\u3001DOS\u547d\u4ee4\u7a97\u53e3\u652f\u6301\u6a21\u7cca\u641c\u7d22\u201c*.class\u201d<\/h3>\n<ul>\n<li>\u6587\u4ef6\u540d\uff1aT1.class\u3001T1.glass\u3002del  *ass\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u76f4\u63a5\u5220\u9664\u4e0a\u8ff0\u4e24\u4e2a\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h3>5\u3001DOS\u547d\u4ee4\u7a97\u53e3\u67e5\u770b\u672c\u673a\u7684IP\u5730\u5740\u201cipconfig\u201d<\/h3>\n<ul>\n<li>IP\u5730\u5740\uff1a\u8ba1\u7b97\u673a\u5728\u540c\u4e00\u4e2a\u7f51\u7edc\u4e2d\u7684\u552f\u4e00\u8bc6\u522b\u7801\u3002<\/li>\n<li>ipconfig(ipconfig\/all\u80fd\u67e5\u770b\u66f4\u5168\u7684\u672c\u5730\u4fe1\u606f\uff0c\u6bd4\u5982MAC\u5730\u5740)\u3002<\/li>\n<li>\u9632\u8e6d\u7f51\uff1a\u7ed1\u5b9aMAC\u5730\u5740\u4e0e\u8def\u7531\u5668\u3002<\/li>\n<\/ul>\n<h3>6\u3001DOS\u547d\u4ee4\u7a97\u53e3\u6d4b\u8bd5\u6b63\u5e38\u901a\u4fe1<\/h3>\n<ul>\n<li>\n<p>ping\u547d\u4ee4\uff1a<\/p>\n<p>ping \u57df\u540d\/IP\u5730\u5740<\/p>\n<p>ping  www.baidu.com<\/p>\n<p>ping 61.135.169.121 -t\uff08\u52a0\u2018-t\u2019\u8868\u793a\u4e00\u76f4ping\uff0cCtrl+C\u7ed3\u675f\u547d\u4ee4\uff09<\/p>\n<\/li>\n<li>\u57df\u540d\u548c\/IP\u5730\u5740\u90fd\u53ef\u4ee5\u6253\u5f00\u7f51\u5740\uff0c\u4f46\u6700\u7ec8\u57df\u540d\u5e95\u5c42\u8fd8\u662f\u4f1a\u88ab\u89e3\u6790\u6210IP\u5730\u5740\u7684\u5f62\u5f0f\uff08DNS\u548c\u57df\u540d\u89e3\u6790\uff09\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u8bed\u8a00\u6982\u8ff0 \uff08\u4e00\uff09\u8ba1\u7b97\u673a\u8bed\u8a00\u6982\u8ff0 1\u3001\u8ba1\u7b97\u673a\u7ec4\u6210 \u786c\u4ef6\uff1a <span class=\"excerpt-fade\"><\/span><\/p>\n","protected":false},"author":1,"featured_media":815,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[72],"class_list":["post-814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-76","tag-java"],"_links":{"self":[{"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/posts\/814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/silverpond.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=814"}],"version-history":[{"count":2,"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/posts\/814\/revisions"}],"predecessor-version":[{"id":820,"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/posts\/814\/revisions\/820"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/silverpond.cn\/index.php?rest_route=\/wp\/v2\/media\/815"}],"wp:attachment":[{"href":"https:\/\/silverpond.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/silverpond.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/silverpond.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}