Java中实例方法和类方法的区别举例

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 1 import java.util.ArrayList;
 2 import java.util.Iterator;
 3 class myclass{
 4     int num=233;
 5     static int num_static=666;
 6     
 7     public void method() {
 8         System.out.println(num);
 9         System.out.println(num_static);
10         System.out.println("这是一个成员方法");
11     }
12     public static void method_static() {
13         //System.out.println(num);
14         System.out.println(num_static);
15         System.out.println("这是一个静态方法");
16     }
17 }
18 public class Main{
19     public static void main(String[] args) {
20         myclass obj = new myclass();
21         obj.method();
22         obj.method_static();
23         myclass.method_static();
24         System.out.println(" ");
25     }
26 }