Java的课后作业——18.10.18

 1 package test1;
 2 
 3 import java.util.Scanner;
 4 
 5 public class Aobj {
 6     public static int num = 0;
 7     public static void setOff(){
 8         System.out.println(num);
 9     }
10     public void Run(){
11         
12     }
13     //构造方法
14     public Aobj(){
15         num++;
16     }
17     //主方法
18     public static void main(String[] args) {
19         Aobj t = new Aobj();
20         Aobj.setOff();
21         Scanner sc = new Scanner (System.in);
22         int N = sc.nextInt();
23         Aobj []m = new Aobj[N];
24         for(int i=0;i<N;++i)
25             m[i] = new Aobj();
26         t.Run();
27         Aobj.setOff();
28     }
29 }