Question

求java大神帮我编一下第二题的程序…

Answer 1

public class Computer{
    private int CountValue;
    public Computer(int a){
        this.CountValue=a;
    }
    public void increment(){
        CountValue++;
    }
    public void decrement(){
        CountValue--;
    }
    public void reset(){
        CountValue=0;
    }
    public int getCountValue(){
        return CountValue;
    }
    public static void main(String[] args){
        Computer c=new Computer(10);
        c.increment();
        c.increment();
        c.increment();
        System.out.println("当前值："+c.getCountValue());
        c.decrement();
        System.out.println("当前值："+c.getCountValue());
        c.reset();
        System.out.println("当前值："+c.getCountValue());
    }
}

Answer 2

能详细一点么？

追问

抱歉，刚刚图没放上去