{"id":1248,"date":"2025-01-27T20:31:28","date_gmt":"2025-01-27T12:31:28","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1248"},"modified":"2025-01-27T20:32:31","modified_gmt":"2025-01-27T12:32:31","slug":"java%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%ef%bc%9a%e5%ad%a6%e4%b9%a0java%e7%bc%96%e7%a8%8b%e7%9a%84%e5%85%a5%e9%97%a8%e5%bf%85%e5%a4%87%e7%9f%a5%e8%af%86%e4%b8%8e%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/27\/java%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%ef%bc%9a%e5%ad%a6%e4%b9%a0java%e7%bc%96%e7%a8%8b%e7%9a%84%e5%85%a5%e9%97%a8%e5%bf%85%e5%a4%87%e7%9f%a5%e8%af%86%e4%b8%8e%e6%8a%80%e5%b7%a7\/","title":{"rendered":"\u9002\u5408\u521d\u5b66\u8005\u7684Java\u57fa\u7840\u77e5\u8bc6\u6559\u7a0b\uff1a\u4ece\u73af\u5883\u642d\u5efa\u5230\u57fa\u672c\u8bed\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u662f\u4e00\u4e2a\u7ed3\u6784\u5316\u7684<strong>Java\u6559\u7a0b\u4e4b\u57fa\u7840\u77e5\u8bc6<\/strong>\uff0c\u53ef\u4ee5\u5e2e\u52a9\u521d\u5b66\u8005\u4ece\u96f6\u5f00\u59cb\u7406\u89e3\u548c\u638c\u63e1Java\u7684\u57fa\u672c\u6982\u5ff5\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java\u6559\u7a0b\u4e4b\uff1a\u57fa\u7840\u77e5\u8bc6<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>Java\u7b80\u4ecb<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4ec0\u4e48\u662fJava\uff1f<\/strong><br>Java\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5177\u6709\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\u7b49\u7279\u70b9\u3002\u6700\u521d\u7531Sun Microsystems\u516c\u53f8\u5f00\u53d1\uff0c\u73b0\u5728\u7531Oracle\u516c\u53f8\u7ef4\u62a4\u3002Java\u5e7f\u6cdb\u5e94\u7528\u4e8eWeb\u5f00\u53d1\u3001\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u3001\u5927\u6570\u636e\u5904\u7406\u7b49\u9886\u57df\u3002<\/li>\n\n\n\n<li><strong>Java\u7684\u7279\u70b9<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u5e73\u53f0\u65e0\u5173\u6027<\/strong>\uff1aJava\u91c7\u7528\u201c\u7f16\u5199\u4e00\u6b21\uff0c\u5230\u5904\u8fd0\u884c\u201d\u7684\u7406\u5ff5\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u5728\u4efb\u4f55\u652f\u6301Java\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u6027<\/strong>\uff1aJava\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5b89\u5168\u673a\u5236\uff0c\u5305\u62ec\u5b57\u8282\u7801\u9a8c\u8bc1\u3001\u5185\u5b58\u7ba1\u7406\u548c\u6c99\u7bb1\u6a21\u5f0f\uff0c\u4fdd\u969c\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li><strong>\u9762\u5411\u5bf9\u8c61<\/strong>\uff1aJava\u662f\u7eaf\u7cb9\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u8bed\u8a00\uff08\u9664\u4e86\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5916\uff09\uff0c\u652f\u6301\u5c01\u88c5\u3001\u7ee7\u627f\u548c\u591a\u6001\u7b49\u9762\u5411\u5bf9\u8c61\u7684\u57fa\u672c\u7279\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Java\u7684\u53d1\u5c55\u5386\u7a0b<\/strong>\n<ul class=\"wp-block-list\">\n<li>1991\u5e74\uff1aJames Gosling\u548cMike Sheridan\u5728Sun Microsystems\u516c\u53f8\u5f00\u59cb\u5f00\u53d1Java\u3002<\/li>\n\n\n\n<li>1995\u5e74\uff1aJava\u6b63\u5f0f\u53d1\u5e03\uff0c\u5e76\u8fc5\u901f\u6210\u4e3a\u7f51\u7edc\u7f16\u7a0b\u7684\u4e3b\u6d41\u8bed\u8a00\u3002<\/li>\n\n\n\n<li>2009\u5e74\uff1aOracle\u6536\u8d2dSun Microsystems\uff0c\u83b7\u5f97\u4e86Java\u7684\u6240\u6709\u6743\u3002<\/li>\n\n\n\n<li>\u73b0\u5728\uff1aJava\u5728Web\u5f00\u53d1\u3001\u4f01\u4e1a\u7ea7\u5e94\u7528\u548c\u5927\u6570\u636e\u5904\u7406\u4e2d\u5360\u6709\u91cd\u8981\u5730\u4f4d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>Java\u5f00\u53d1\u73af\u5883\u642d\u5efa<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b89\u88c5JDK<\/strong>\n<ol class=\"wp-block-list\">\n<li>\u8bbf\u95ee<a href=\"https:\/\/www.oracle.com\/java\/technologies\/javase-jdk14-downloads.html\">Oracle\u5b98\u7f51<\/a>\u4e0b\u8f7d\u9002\u5408\u64cd\u4f5c\u7cfb\u7edf\u7684JDK\uff08Java Development Kit\uff09\u7248\u672c\u3002<\/li>\n\n\n\n<li>\u5b89\u88c5\u65f6\u9009\u62e9\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u5b8c\u6210\u5b89\u88c5\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/strong>\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u7cfb\u7edf\u8bbe\u7f6e\uff0c\u8fdb\u5165\u201c\u73af\u5883\u53d8\u91cf\u201d\u8bbe\u7f6e\u3002<\/li>\n\n\n\n<li>\u5728\u201c\u7cfb\u7edf\u53d8\u91cf\u201d\u4e2d\uff0c\u70b9\u51fb\u201c\u65b0\u5efa\u201d\uff0c\u8bbe\u7f6e<code>JAVA_HOME<\/code>\u4e3aJDK\u7684\u5b89\u88c5\u8def\u5f84\u3002<\/li>\n\n\n\n<li>\u5728<code>Path<\/code>\u53d8\u91cf\u4e2d\u6dfb\u52a0<code>%JAVA_HOME%\\bin<\/code>\uff0c\u786e\u4fddJava\u547d\u4ee4\u80fd\u5728\u7ec8\u7aef\/\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u6d4b\u8bd5\u914d\u7f6e\u662f\u5426\u6210\u529f\uff0c\u8fd0\u884c<code>java -version<\/code>\u548c<code>javac -version<\/code>\u547d\u4ee4\uff0c\u67e5\u770bJava\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u5b89\u88c5IDE\uff08\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff09<\/strong><br>\u5e38\u89c1\u7684Java\u5f00\u53d1IDE\u6709\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>IntelliJ IDEA<\/strong>\uff1a\u529f\u80fd\u5f3a\u5927\u3001\u754c\u9762\u53cb\u597d\uff0c\u9002\u5408Java\u5f00\u53d1\u3002<\/li>\n\n\n\n<li><strong>Eclipse<\/strong>\uff1a\u5f00\u6e90\u4e14\u63d2\u4ef6\u4e30\u5bcc\uff0c\u5e7f\u6cdb\u7528\u4e8eJava\u5f00\u53d1\uff0c\u5c24\u5176\u5728\u4f01\u4e1a\u5e94\u7528\u4e2d\u5e94\u7528\u8f83\u591a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u7b2c\u4e00\u4e2aJava\u7a0b\u5e8f<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6253\u5370\u201cHello, World!\u201d<\/strong><code>public class HelloWorld { public static void main(String[] args) { System.out.println(\"Hello, World!\"); } }<\/code>\n<ol class=\"wp-block-list\">\n<li><strong>\u89e3\u91ca\u4ee3\u7801<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>public class HelloWorld<\/code>\uff1a\u5b9a\u4e49\u4e00\u4e2a\u516c\u5f00\u7684\u7c7b\uff0c\u7c7b\u540d\u4e3a<code>HelloWorld<\/code>\u3002<\/li>\n\n\n\n<li><code>public static void main(String[] args)<\/code>\uff1aJava\u7a0b\u5e8f\u7684\u5165\u53e3\u65b9\u6cd5\uff0c\u7a0b\u5e8f\u4ece\u8fd9\u91cc\u5f00\u59cb\u6267\u884c\u3002<\/li>\n\n\n\n<li><code>System.out.println(\"Hello, World!\");<\/code>\uff1a\u8f93\u51fa<code>Hello, World!<\/code>\u5230\u63a7\u5236\u53f0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u7f16\u8bd1\u548c\u8fd0\u884cJava\u7a0b\u5e8f<\/strong>\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u7ec8\u7aef\uff08\u547d\u4ee4\u884c\uff09\u8fdb\u5165\u4ee3\u7801\u6240\u5728\u76ee\u5f55\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u547d\u4ee4<code>javac HelloWorld.java<\/code>\u7f16\u8bd1\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u547d\u4ee4<code>java HelloWorld<\/code>\u8fd0\u884c\u7a0b\u5e8f\uff0c\u63a7\u5236\u53f0\u5c06\u8f93\u51fa<code>Hello, World!<\/code>\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">4. <strong>Java\u57fa\u7840\u8bed\u6cd5<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u7c7b\u578b<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/strong>\uff1aJava\u67098\u79cd\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08primitive types\uff09\uff0c\u5206\u522b\u662f\uff1a<\/li>\n\n\n\n<li><code>byte<\/code>\u3001<code>short<\/code>\u3001<code>int<\/code>\u3001<code>long<\/code>\uff1a\u6574\u6570\u7c7b\u578b<\/li>\n\n\n\n<li><code>float<\/code>\u3001<code>double<\/code>\uff1a\u6d6e\u70b9\u6570\u7c7b\u578b<\/li>\n\n\n\n<li><code>char<\/code>\uff1a\u5b57\u7b26\u7c7b\u578b<\/li>\n\n\n\n<li><code>boolean<\/code>\uff1a\u5e03\u5c14\u7c7b\u578b\uff08true \u6216 false\uff09<\/li>\n\n\n\n<li><strong>\u5f15\u7528\u6570\u636e\u7c7b\u578b<\/strong>\uff1a\u5305\u62ec\u7c7b\u3001\u63a5\u53e3\u3001\u6570\u7ec4\u7b49\uff0c\u53d8\u91cf\u5b58\u50a8\u7684\u662f\u5f15\u7528\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u53d8\u91cf\u4e0e\u5e38\u91cf<\/strong><ul><li><strong>\u53d8\u91cf<\/strong>\uff1a\u5728Java\u4e2d\uff0c\u53d8\u91cf\u58f0\u660e\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\uff0c\u683c\u5f0f\u4e3a\uff1a<code>\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d<\/code>\u3002<\/li><\/ul><code>int age = 25; String name = \"Alice\";<\/code><ul><li><strong>\u5e38\u91cf<\/strong>\uff1a\u5e38\u91cf\u662f\u4e0d\u53ef\u6539\u53d8\u7684\u503c\uff0c\u901a\u5e38\u7528<code>final<\/code>\u4fee\u9970\u3002<\/li><\/ul><code>final int MAX_VALUE = 100;<\/code><\/li>\n\n\n\n<li><strong>\u8fd0\u7b97\u7b26<\/strong><ul><li><strong>\u7b97\u672f\u8fd0\u7b97\u7b26<\/strong>\uff1a<code>+<\/code>\u3001<code>-<\/code>\u3001<code>*<\/code>\u3001<code>\/<\/code>\u3001<code>%<\/code>\u3002<\/li><\/ul><code>int sum = 10 + 5; \/\/ sum = 15<\/code><ul><li><strong>\u5173\u7cfb\u8fd0\u7b97\u7b26<\/strong>\uff1a<code>==<\/code>\u3001<code>!=<\/code>\u3001<code>><\/code>\u3001<code>&lt;<\/code>\u3001<code>>=<\/code>\u3001<code>&lt;=<\/code>\u3002<\/li><\/ul><code>boolean result = 5 > 3; \/\/ result = true<\/code><ul><li><strong>\u903b\u8f91\u8fd0\u7b97\u7b26<\/strong>\uff1a<code>&amp;&amp;<\/code>\uff08\u4e0e\uff09\u3001<code>||<\/code>\uff08\u6216\uff09\u3001<code>!<\/code>\uff08\u975e\uff09\u3002<\/li><\/ul><code>boolean condition = (5 > 3) &amp;&amp; (2 &lt; 4); \/\/ condition = true<\/code><\/li>\n\n\n\n<li><strong>\u63a7\u5236\u7ed3\u6784<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>if-else\u8bed\u53e5<\/strong><br><code>java if (age > 18) { System.out.println(\"\u6210\u4eba\"); } else { System.out.println(\"\u672a\u6210\u5e74\"); }<\/code><\/li>\n\n\n\n<li><strong>switch\u8bed\u53e5<\/strong><br><code>java switch (day) { case 1: System.out.println(\"\u661f\u671f\u4e00\"); break; case 2: System.out.println(\"\u661f\u671f\u4e8c\"); break; default: System.out.println(\"\u672a\u77e5\u65e5\u671f\"); }<\/code><\/li>\n\n\n\n<li><strong>for\u5faa\u73af<\/strong><br><code>java for (int i = 0; i &lt; 5; i++) { System.out.println(i); \/\/ \u8f93\u51fa0\u52304 }<\/code><\/li>\n\n\n\n<li><strong>while\u5faa\u73af<\/strong><br><code>java int i = 0; while (i &lt; 5) { System.out.println(i); \/\/ \u8f93\u51fa0\u52304 i++; }<\/code><\/li>\n\n\n\n<li><strong>do-while\u5faa\u73af<\/strong><br><code>java int i = 0; do { System.out.println(i); \/\/ \u8f93\u51fa0\u52304 i++; } while (i &lt; 5);<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u4e00\u90e8\u5206\u7684\u5b66\u4e60\uff0c\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86Java\u7684\u57fa\u672c\u6982\u5ff5\u3001\u73af\u5883\u642d\u5efa\u3001\u7f16\u5199\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u6b65\u9aa4\u4ee5\u53ca\u57fa\u7840\u7684\u8bed\u6cd5\u77e5\u8bc6\u3002\u4e0b\u4e00\u6b65\uff0c\u4f60\u53ef\u4ee5\u7ee7\u7eed\u6df1\u5165\u5b66\u4e60Java\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7279\u6027\uff0c\u5e76\u9010\u6b65\u63d0\u9ad8\u7f16\u7a0b\u6280\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7ed3\u6784\u5316\u7684Java\u6559\u7a0b\u4e4b\u57fa\u7840\u77e5\u8bc6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u521d\u5b66\u8005\u4ece\u96f6\u5f00\u59cb\u7406\u89e3\u548c\u638c\u63e1Java\u7684\u57fa\u672c\u6982\u5ff5\uff1a Java\u6559\u7a0b\u4e4b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68],"tags":[],"class_list":["post-1248","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1248"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":1251,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1248\/revisions\/1251"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}