信1407-2班20142897程怀远 课后题第一小题 10.17

public class Console {
    private static int i;
    public Console()
    {
        i++;//每new一个对象i+1
    }
     public  int getNum()
        {
            return i;//返回创建对象个数
        }
     
}
class Finaly
{
    public static void main(String[] args)
    {    
        int num;
        Console a = new Console();
        Console b = new Console();//创建两个对象并初始化
        num = b.getNum();
        System.out.println("共有对象个数为 " +num );
    }
}