踪某个类所创建对象的个数

Posted 2021-01-14 竹林清竹

public class new1 {
static int n=0;
new1(){
	n++;
}
static void count(){
	System.out.println(n);
}

}
public class lab {
public static void main(){
	new1 a=new new1();
	System.out.println(a);
	new1 b=new new1();
	System.out.println(b);
	new1 c=new new1();
	System.out.println(c);
	new1.count();
}
}