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private static int num=0;

7dcac6528821 2023-06-16 阅读 72


class psDemo
{
	private static int num=0;
	public static void main(String[] args)
	{
	psDemo obj1=new psDemo();
	obj1.num++;
	psDemo obj2=new psDemo();
	obj2.num++;	
	psDemo.num++;	
	System.out.println( "psDemo.num="+psDemo.num );
	}
}
//psDemo.num=3



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