Java \u7c7b\u5c5e\u6027\uff0c\u4e5f\u79f0\u4e3a\u5b57\u6bb5\uff0c\u662f\u7c7b\u4e2d\u7684\u53d8\u91cf\u3002\u5b83\u4eec\u7528\u4e8e\u5b58\u50a8\u4e0e\u7c7b\u76f8\u5173\u7684\u6570\u636e\u3002<\/p>\n
\u521b\u5efa\u7c7b\u5c5e\u6027<\/p>\n
\u5728\u7c7b\u5b9a\u4e49\u4e2d\u58f0\u660e\u5c5e\u6027\uff1a<\/p>\n
public class Main {\n int x; \/\/ \u5c5e\u6027\n String name; \/\/ \u5c5e\u6027\n}<\/code><\/pre>\n\u8bbf\u95ee\u7c7b\u5c5e\u6027<\/p>\n
\u4f7f\u7528\u70b9\u8bed\u6cd5\u8bbf\u95ee\u5bf9\u8c61\u7684\u5c5e\u6027\uff1a<\/p>\n
Main myObj = new Main();\nmyObj.x = 5; \/\/ \u8bbe\u7f6e\u5c5e\u6027\u503c\nSystem.out.println(myObj.x); \/\/ \u83b7\u53d6\u5c5e\u6027\u503c<\/code><\/pre>\n\u4fee\u6539\u7c7b\u5c5e\u6027<\/p>\n
\u53ef\u4ee5\u4fee\u6539\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\uff1a<\/p>\n
Main myObj = new Main();\nmyObj.x = 5;\nmyObj.x = 10; \/\/ \u4fee\u6539\u5c5e\u6027\u503c\nSystem.out.println(myObj.x); \/\/ \u8f93\u51fa 10<\/code><\/pre>\n\u5c5e\u6027\u7c7b\u578b<\/p>\n
\u5c5e\u6027\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n
\n- \u57fa\u672c\u7c7b\u578b\uff1aint\u3001double\u3001boolean\u3001char\u7b49<\/li>\n
- \u5f15\u7528\u7c7b\u578b\uff1aString\u3001Date\u3001List\u7b49<\/li>\n<\/ul>\n
\u4fee\u9970\u7b26<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4fee\u9970\u7b26\u6765\u63a7\u5236\u5c5e\u6027\u7684\u8bbf\u95ee\u6743\u9650\uff1a<\/p>\n
\n- public\uff1a\u516c\u5f00\u8bbf\u95ee<\/li>\n
- private\uff1a\u79c1\u6709\u8bbf\u95ee<\/li>\n
- protected\uff1a\u53d7\u4fdd\u62a4\u8bbf\u95ee<\/li>\n
- default\uff1a\u9ed8\u8ba4\u8bbf\u95ee<\/li>\n<\/ul>\n
\u793a\u4f8b<\/p>\n
public class Main {\n private int x; \/\/ \u79c1\u6709\u5c5e\u6027\n public String name; \/\/ \u516c\u5f00\u5c5e\u6027\n\n public void myMethod() {\n \/\/ \u53ef\u4ee5\u8bbf\u95ee\u79c1\u6709\u5c5e\u6027\n x = 10;\n }\n\n public static void main(String[] args) {\n Main myObj = new Main();\n \/\/ \u53ef\u4ee5\u8bbf\u95ee\u516c\u5f00\u5c5e\u6027\n myObj.name = "John Doe";\n \/\/ \u65e0\u6cd5\u8bbf\u95ee\u79c1\u6709\u5c5e\u6027\n \/\/ myObj.x = 5; \/\/ \u9519\u8bef\n }\n}<\/code><\/pre>\n\u4e00\u4e9b\u989d\u5916\u7684\u8bf4\u660e\uff1a<\/p>\n
\n- \u5728 Java \u4e2d\uff0c\u7c7b\u5c5e\u6027\u901a\u5e38\u88ab\u5b9a\u4e49\u4e3aprivate\uff0c\u4ee5\u4fbf\u53ea\u80fd\u901a\u8fc7\u7c7b\u7684\u65b9\u6cd5\u6765\u8bbf\u95ee\u5b83\u4eec\u3002<\/li>\n
- \u4e3a\u4e86\u65b9\u4fbf\u8d77\u89c1\uff0c\u4e5f\u53ef\u4ee5\u5c06\u7c7b\u5c5e\u6027\u5b9a\u4e49\u4e3apublic\uff0c\u4f46\u8fd9\u4f1a\u4f7f\u5b83\u4eec\u66f4\u5bb9\u6613\u88ab\u610f\u5916\u66f4\u6539\u3002<\/li>\n
- \u5efa\u8bae\u4f7f\u7528getter\u548csetter\u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u7c7b\u5c5e\u6027\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u63a7\u5236\u5bf9\u5c5e\u6027\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n
\u793a\u4f8b\uff1a<\/p>\n
public class Main {\n private int x;\n\n public int getX() {\n return x;\n }\n\n public void setX(int x) {\n this.x = x;\n }\n\n public static void main(String[] args) {\n Main myObj = new Main();\n myObj.setX(5);\n System.out.println(myObj.getX()); \/\/ \u8f93\u51fa 5\n }\n}<\/code><\/pre>\n\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cx \u5c5e\u6027\u662f\u79c1\u6709\u7684\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7 getX() \u548c setX() \u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u3002<\/p>\n
\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u4e0e\u7c7b\u5c5e\u6027\u76f8\u5173\u7684\u5185\u5bb9\uff1a<\/p>\n
\n- \u9759\u6001\u5c5e\u6027\uff1a\u9759\u6001\u5c5e\u6027\u5c5e\u4e8e\u7c7b\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u7c7b\u7684\u5b9e\u4f8b\u3002<\/li>\n
- \u5e38\u91cf\u5c5e\u6027\uff1a\u5e38\u91cf\u5c5e\u6027\u7684\u503c\u4e0d\u80fd\u88ab\u4fee\u6539\u3002<\/li>\n
- \u679a\u4e3e\u5c5e\u6027\uff1a\u679a\u4e3e\u5c5e\u6027\u7684\u503c\u53ea\u80fd\u662f\u9884\u5b9a\u4e49\u7684\u4e00\u7ec4\u503c\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n
Java \u7c7b\u65b9\u6cd5<\/h2>\n
Java \u7c7b\u65b9\u6cd5 \u662f\u5728\u7c7b\u5185\u58f0\u660e\u7684\u4ee3\u7801\u5757\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u5b83\u4eec\u7c7b\u4f3c\u4e8e\u51fd\u6570\uff0c\u4f46\u4e0e\u7c7b\u672c\u8eab\u76f8\u5173\u8054\uff0c\u800c\u4e0d\u662f\u4e0e\u7c7b\u7684\u5b9e\u4f8b\u76f8\u5173\u8054\u3002<\/p>\n
\u521b\u5efa\u7c7b\u65b9\u6cd5<\/p>\n
\u4f7f\u7528 static<\/code> \u5173\u952e\u5b57\u58f0\u660e\u7c7b\u65b9\u6cd5\uff1a<\/p>\npublic class Main {\n static void myMethod() {\n System.out.println("Hello World!");\n }\n}<\/code><\/pre>\n\u8c03\u7528\u7c7b\u65b9\u6cd5<\/p>\n
\u4f7f\u7528\u7c7b\u540d\u548c\u65b9\u6cd5\u540d\uff0c\u540e\u8ddf\u62ec\u53f7 () \u8c03\u7528\u7c7b\u65b9\u6cd5\uff1a<\/p>\n
public class Main {\n static void myMethod() {\n System.out.println("Hello World!");\n }\n\n public static void main(String[] args) {\n myMethod();\n }\n}<\/code><\/pre>\n\u793a\u4f8b\uff1a<\/p>\n
public class Main {\n static void myMethod(String name) {\n System.out.println("Hello, " + name + "!");\n }\n\n public static void main(String[] args) {\n myMethod("John Doe");\n }\n}<\/code><\/pre>\n\u8f93\u51fa\uff1a<\/p>\n
Hello, John Doe!<\/code><\/pre>\n\u7c7b\u65b9\u6cd5\u4e0e\u5b9e\u4f8b\u65b9\u6cd5<\/p>\n
\n- \u7c7b\u65b9\u6cd5\u5c5e\u4e8e\u7c7b\u672c\u8eab\uff0c\u800c\u5b9e\u4f8b\u65b9\u6cd5\u5c5e\u4e8e\u7c7b\u7684\u5b9e\u4f8b\u3002<\/li>\n
- \u7c7b\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u7c7b\u540d\u8c03\u7528\uff0c\u800c\u5b9e\u4f8b\u65b9\u6cd5\u9700\u8981\u901a\u8fc7\u7c7b\u7684\u5b9e\u4f8b\u8c03\u7528\u3002<\/li>\n
- \u7c7b\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e0e\u7c7b\u76f8\u5173\u7684\u901a\u7528\u64cd\u4f5c\uff0c\u800c\u5b9e\u4f8b\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u64cd\u4f5c\u7c7b\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
\u4fee\u9970\u7b26<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4fee\u9970\u7b26\u6765\u63a7\u5236\u7c7b\u65b9\u6cd5\u7684\u8bbf\u95ee\u6743\u9650\uff1a<\/p>\n
\npublic<\/code>\uff1a\u516c\u5f00\u8bbf\u95ee<\/li>\nprivate<\/code>\uff1a\u79c1\u6709\u8bbf\u95ee<\/li>\nprotected<\/code>\uff1a\u53d7\u4fdd\u62a4\u8bbf\u95ee<\/li>\ndefault<\/code>\uff1a\u9ed8\u8ba4\u8bbf\u95ee<\/li>\n<\/ul>\n\u793a\u4f8b\uff1a<\/p>\n
public class Main {\n private static void myMethod() {\n System.out.println("Hello World!");\n }\n\n public static void main(String[] args) {\n \/\/ myMethod(); \/\/ \u9519\u8bef\uff0c\u65e0\u6cd5\u8bbf\u95ee\u79c1\u6709\u65b9\u6cd5\n }\n}<\/code><\/pre>\n\u4e00\u4e9b\u989d\u5916\u7684\u8bf4\u660e\uff1a<\/p>\n
\n- \n
\u7c7b\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e0e\u7c7b\u76f8\u5173\u7684\u901a\u7528\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n
\n- \u521b\u5efa\u65b0\u5b9e\u4f8b<\/li>\n
- \u9a8c\u8bc1\u8f93\u5165<\/li>\n
- \u63d0\u4f9b\u5de5\u5177\u7c7b\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n
- \n
\u5b9e\u4f8b\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u64cd\u4f5c\u7c7b\u7684\u5b9e\u4f8b\uff0c\u4f8b\u5982\uff1a<\/p>\n
\n- \u83b7\u53d6\u6216\u8bbe\u7f6e\u5c5e\u6027\u503c<\/li>\n
- \u6267\u884c\u8ba1\u7b97<\/li>\n
- \u6539\u53d8\u5bf9\u8c61\u7684\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n
- \u53ef\u4ee5\u4f7f\u7528
final<\/code> \u5173\u952e\u5b57\u58f0\u660e\u7c7b\u65b9\u6cd5\uff0c\u4f7f\u5176\u65e0\u6cd5\u88ab\u91cd\u5199\u3002<\/li>\n- \u53ef\u4ee5\u4f7f\u7528
abstract<\/code> \u5173\u952e\u5b57\u58f0\u660e\u62bd\u8c61\u7c7b\u65b9\u6cd5\uff0c\u5176\u5b9a\u4e49\u5fc5\u987b\u7531\u5b50\u7c7b\u63d0\u4f9b\u3002<\/li>\n<\/ul>\n\u6700\u540e<\/h2>\n
\u4e3a\u4e86\u65b9\u4fbf\u5176\u4ed6\u8bbe\u5907\u548c\u5e73\u53f0\u7684\u5c0f\u4f19\u4f34\u89c2\u770b\u5f80\u671f\u6587\u7ae0\uff1a<\/p>\n
\u5fae\u4fe1\u516c\u4f17\u53f7\u641c\u7d22\uff1aLet us Coding<\/code>\uff0c\u5173\u6ce8\u540e\u5373\u53ef\u83b7\u53d6\u6700\u65b0\u6587\u7ae0\u63a8\u9001<\/p>\n\u770b\u5b8c\u5982\u679c\u89c9\u5f97\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce \u70b9\u8d5e\u3001\u6536\u85cf\u3001\u5173\u6ce8<\/p>\n