{"id":2189,"date":"2025-03-01T18:27:30","date_gmt":"2025-03-01T10:27:30","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2189"},"modified":"2025-03-01T18:27:30","modified_gmt":"2025-03-01T10:27:30","slug":"java-%e5%8f%98%e9%87%8f%e5%91%bd%e5%90%8d%e8%a7%84%e5%88%99","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/01\/java-%e5%8f%98%e9%87%8f%e5%91%bd%e5%90%8d%e8%a7%84%e5%88%99\/","title":{"rendered":"Java \u53d8\u91cf\u547d\u540d\u89c4\u5219"},"content":{"rendered":"\n<p>\u5728 Java \u4e2d\uff0c<strong>\u53d8\u91cf\u547d\u540d\u89c4\u5219<\/strong>\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u4e00\u81f4\u6027\u3002Java \u5bf9\u53d8\u91cf\u7684\u547d\u540d\u6709\u4e00\u4e9b\u57fa\u672c\u8981\u6c42\u548c\u7ea6\u5b9a\uff0c\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u89c4\u5219\u548c\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u53d8\u91cf\u547d\u540d\u89c4\u5219<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1.1 <strong>\u5408\u6cd5\u5b57\u7b26<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d8\u91cf\u540d\u53ea\u80fd\u5305\u542b\u5b57\u6bcd\uff08<code>A-Z<\/code> \u6216 <code>a-z<\/code>\uff09\u3001\u6570\u5b57\uff08<code>0-9<\/code>\uff09\u3001\u4e0b\u5212\u7ebf\uff08<code>_<\/code>\uff09\u548c\u7f8e\u5143\u7b26\u53f7\uff08<code>$<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u53d8\u91cf\u540d\u5fc5\u987b\u4ee5\u5b57\u6bcd\u3001\u4e0b\u5212\u7ebf\u6216\u7f8e\u5143\u7b26\u53f7\u5f00\u59cb\uff0c\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.2 <strong>\u5927\u5c0f\u5199\u654f\u611f<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Java \u662f\u5927\u5c0f\u5199\u654f\u611f\u7684\u8bed\u8a00\uff0c\u6240\u4ee5 <code>myVariable<\/code> \u548c <code>myvariable<\/code> \u88ab\u89c6\u4e3a\u4e24\u4e2a\u4e0d\u540c\u7684\u53d8\u91cf\u540d\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.3 <strong>\u4e0d\u80fd\u4f7f\u7528\u5173\u952e\u5b57<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d8\u91cf\u540d\u4e0d\u80fd\u662f Java \u4fdd\u7559\u7684\u5173\u952e\u5b57\u3002\u5173\u952e\u5b57\u662f Java \u4e2d\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u5355\u8bcd\uff0c\u6bd4\u5982 <code>class<\/code>\u3001<code>if<\/code>\u3001<code>for<\/code> \u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.4 <strong>\u4e0d\u80fd\u4f7f\u7528 Java \u7684\u4fdd\u7559\u5b57<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9664\u4e86\u4e0d\u80fd\u4f7f\u7528\u5173\u952e\u5b57\u5916\uff0c\u8fd8\u4e0d\u80fd\u4f7f\u7528 Java \u7684\u4fdd\u7559\u5b57\uff08\u4f8b\u5982 <code>interface<\/code>\u3001<code>enum<\/code> \u7b49\uff09\uff0c\u5c3d\u7ba1\u8fd9\u4e9b\u5728 Java \u4e2d\u5f53\u524d\u53ef\u80fd\u4e0d\u4f1a\u4f7f\u7528\uff0c\u4f46\u4e3a\u4e86\u4fdd\u8bc1\u672a\u6765\u7684\u517c\u5bb9\u6027\uff0c\u6700\u597d\u907f\u514d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.5 <strong>\u6ca1\u6709\u957f\u5ea6\u9650\u5236<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728 Java \u4e2d\uff0c\u53d8\u91cf\u540d\u7684\u957f\u5ea6\u7406\u8bba\u4e0a\u6ca1\u6709\u9650\u5236\uff0c\u4f46\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5efa\u8bae\u4e0d\u8981\u4f7f\u7528\u8fc7\u957f\u7684\u53d8\u91cf\u540d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u53d8\u91cf\u547d\u540d\u7ea6\u5b9a<\/strong><\/h3>\n\n\n\n<p>\u9664\u4e86\u57fa\u672c\u7684\u547d\u540d\u89c4\u5219\u5916\uff0cJava \u5f00\u53d1\u8005\u9075\u5faa\u4e00\u4e9b\u7ea6\u5b9a\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.1 <strong>\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08Camel Case\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Java \u53d8\u91cf\u901a\u5e38\u4f7f\u7528<strong>\u9a7c\u5cf0\u547d\u540d\u6cd5<\/strong>\uff08Camel Case\uff09\uff0c\u5373\uff1a<\/li>\n\n\n\n<li>\u7b2c\u4e00\u4e2a\u5355\u8bcd\u7684\u9996\u5b57\u6bcd\u5c0f\u5199\uff0c\u540e\u7eed\u6bcf\u4e2a\u5355\u8bcd\u7684\u9996\u5b57\u6bcd\u5927\u5199\uff0c\u5176\u4ed6\u5b57\u6bcd\u5c0f\u5199\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1a<code>myVariable<\/code>\u3001<code>studentName<\/code>\u3001<code>totalAmount<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.2 <strong>\u7c7b\u548c\u63a5\u53e3\u547d\u540d\u89c4\u5219<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7c7b\u540d\u548c\u63a5\u53e3\u540d\u4f7f\u7528<strong>\u5e15\u65af\u5361\u547d\u540d\u6cd5<\/strong>\uff08Pascal Case\uff09\uff0c\u5373\u6bcf\u4e2a\u5355\u8bcd\u7684\u9996\u5b57\u6bcd\u90fd\u5927\u5199\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1a<code>StudentDetails<\/code>\u3001<code>BankAccount<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.3 <strong>\u5e38\u91cf\u547d\u540d\u89c4\u5219<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e38\u91cf\u53d8\u91cf\u901a\u5e38\u4f7f\u7528\u5168\u5927\u5199\u5b57\u6bcd\uff0c\u5e76\u4f7f\u7528\u4e0b\u5212\u7ebf\u5206\u9694\u5355\u8bcd\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1a<code>MAX_VALUE<\/code>\u3001<code>PI_VALUE<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.4 <strong>\u907f\u514d\u4f7f\u7528\u5355\u5b57\u6bcd\u53d8\u91cf\u540d<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9664\u4e86\u5e38\u89c1\u7684\u6570\u5b66\u6216\u5faa\u73af\u53d8\u91cf\uff08\u5982 <code>i<\/code>\u3001<code>j<\/code>\uff09\uff0c\u4e0d\u5efa\u8bae\u4f7f\u7528\u5355\u4e2a\u5b57\u6bcd\u4f5c\u4e3a\u53d8\u91cf\u540d\uff0c\u56e0\u4e3a\u5b83\u4eec\u4f1a\u964d\u4f4e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1a\u5c3d\u91cf\u4f7f\u7528 <code>employeeCount<\/code> \u66ff\u4ee3 <code>e<\/code>\uff0c\u4f7f\u7528 <code>totalAmount<\/code> \u66ff\u4ee3 <code>t<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.5 <strong>\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u7684\u547d\u540d<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d8\u91cf\u540d\u5e94\u8be5\u80fd\u591f\u6e05\u6670\u63cf\u8ff0\u5b83\u6240\u4ee3\u8868\u7684\u542b\u4e49\uff0c\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u7684\u8bcd\u8bed\u3002<\/li>\n\n\n\n<li>\u4e0d\u63a8\u8350\uff1a<code>temp<\/code>\u3001<code>data<\/code>\u3001<code>value<\/code>\u3002<\/li>\n\n\n\n<li>\u63a8\u8350\uff1a<code>employeeAge<\/code>\u3001<code>studentScore<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.6 <strong>\u907f\u514d\u4e0e\u7c7b\u540d\u3001\u65b9\u6cd5\u540d\u51b2\u7a81<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u867d\u7136 Java \u5141\u8bb8\u7c7b\u540d\u3001\u65b9\u6cd5\u540d\u548c\u53d8\u91cf\u540d\u76f8\u540c\uff0c\u4f46\u4e3a\u4e86\u907f\u514d\u6df7\u6dc6\uff0c\u6700\u597d\u907f\u514d\u5c06\u53d8\u91cf\u540d\u4e0e\u7c7b\u540d\u6216\u65b9\u6cd5\u540d\u76f8\u540c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.7 <strong>\u907f\u514d\u4f7f\u7528\u4e0b\u5212\u7ebf\u4f5c\u4e3a\u53d8\u91cf\u540d\u7684\u5206\u9694\u7b26<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9664\u4e86\u5e38\u91cf\uff08\u5168\u5927\u5199\u5e76\u4f7f\u7528\u4e0b\u5212\u7ebf\uff09\u4e4b\u5916\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u907f\u514d\u4f7f\u7528\u4e0b\u5212\u7ebf\u4f5c\u4e3a\u53d8\u91cf\u540d\u7684\u5206\u9694\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.8 <strong>\u4e0e\u4e0a\u4e0b\u6587\u76f8\u5173\u7684\u547d\u540d<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d8\u91cf\u7684\u547d\u540d\u5e94\u8be5\u6839\u636e\u5b83\u7684\u4e0a\u4e0b\u6587\u6765\u786e\u5b9a\uff0c\u4f8b\u5982\uff0c<code>totalAmount<\/code> \u53ef\u80fd\u4ee3\u8868\u603b\u91d1\u989d\uff0c\u800c <code>userAge<\/code> \u8868\u793a\u7528\u6237\u5e74\u9f84\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u793a\u4f8b<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5408\u6cd5\u7684\u53d8\u91cf\u540d\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>int age;               \/\/ \u7b80\u5355\u4e14\u6e05\u6670\u7684\u53d8\u91cf\u540d\ndouble totalAmount;    \/\/ \u7b26\u5408\u9a7c\u5cf0\u547d\u540d\u6cd5\nString studentName;    \/\/ \u6e05\u6670\u63cf\u8ff0\u53d8\u91cf\u542b\u4e49\nfinal int MAX_VALUE = 100;  \/\/ \u5e38\u91cf\u4f7f\u7528\u5168\u5927\u5199\u5b57\u6bcd\u5e76\u52a0\u4e0b\u5212\u7ebf<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e0d\u5408\u6cd5\u7684\u53d8\u91cf\u540d\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>int 1stNumber;    \/\/ \u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934\nint class;        \/\/ \u4e0d\u80fd\u4f7f\u7528\u5173\u952e\u5b57\u4f5c\u4e3a\u53d8\u91cf\u540d\nString student-name;  \/\/ \u4e0d\u80fd\u4f7f\u7528\u7279\u6b8a\u5b57\u7b26\uff08\u5982\u8fde\u5b57\u7b26\uff09<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u547d\u540d\u89c4\u5219<\/strong>\uff1a\u9075\u5b88 Java \u7684\u547d\u540d\u89c4\u5219\uff0c\u786e\u4fdd\u53d8\u91cf\u540d\u5408\u6cd5\uff0c\u4e0d\u4ee5\u6570\u5b57\u5f00\u5934\uff0c\u907f\u514d\u4f7f\u7528 Java \u5173\u952e\u5b57\u548c\u4fdd\u7559\u5b57\u3002<\/li>\n\n\n\n<li><strong>\u547d\u540d\u7ea6\u5b9a<\/strong>\uff1a\u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\u8fdb\u884c\u53d8\u91cf\u547d\u540d\uff0c\u5e38\u91cf\u4f7f\u7528\u5168\u5927\u5199\u5b57\u6bcd\u5e76\u52a0\u4e0b\u5212\u7ebf\u5206\u9694\u3002<\/li>\n\n\n\n<li><strong>\u6e05\u6670\u63cf\u8ff0<\/strong>\uff1a\u53d8\u91cf\u540d\u5e94\u5f53\u7b80\u6d01\u4e14\u5177\u6709\u63cf\u8ff0\u6027\uff0c\u907f\u514d\u4f7f\u7528\u6a21\u7cca\u6216\u4e0d\u6e05\u6670\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u597d\u7684\u547d\u540d\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Java \u4e2d\uff0c\u53d8\u91cf\u547d\u540d\u89c4\u5219\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u4e00\u81f4\u6027\u3002Java \u5bf9\u53d8\u91cf\u7684\u547d\u540d\u6709\u4e00\u4e9b\u57fa\u672c\u8981\u6c42\u548c [&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-2189","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2189","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=2189"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2189\/revisions"}],"predecessor-version":[{"id":2190,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2189\/revisions\/2190"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}