Java main方法全解

 1 package cn.nxl2018;
 2 
 3 public class Main_test {
 4     public static void main(String args[]) {
 5         System.out.println("应用程序入口的main方法");
 6         main();
 7         main(10);
 8         main(10, 10);
 9     }
10     public static void main(){
11         System.out.println("无参的main方法");
12     }
13     public static void main(int i){
14         System.out.println("有参的重载main方法");
15     }
16     public static void main(int i,int j){
17         System.out.println("有两个参数的重载main方法");
18     }
19 }

1 public class Main_test {                                        
2     public static void main(String[] args) {
3         main2(args);
4     }
5     public static void main2(String[] args){
6         main(args);
7     }
8 }

1 public class Main{
2     public static void main(String[] args) {
3         System.out.println("Hello Word!");
4     }
5 }

1 public class Main_test extends Main{
2 }

1 public class Main{
2     public static void main(String[] args) {
3         System.out.println("Main");
4     }
5 }

1 public class Main_test extends Main{
2     public static void main(String[] args) {
3         System.out.println("Main_test");
4     }
5 }