模拟简单计算器及比较大小

package ss;

public class os {
    public int Jia(int a,int b)
    {
        return a+b;
    }
    public int Jia(int x,int y,int z)
    {
        return x+y+z;
    }
     
    //浮点加法运算
    public double Jia(double a,double b)//由于数据类型不一样，即使参数个数相同也不会与第一个方法不冲突
    {
        return a+b;
    }
    public int max(int a,int b)
    {
        return (a>=b)?a:b;
    }
    public double max(double a,double b)
    {
        return (a>=b)?a:b;
    }
    public double max(double a,double b,double c)
    {
        return ((a>=b)?a:b)>=c?((a>=b)?a:b):c;
    }
}






package ss;

public class text {
        public static void main(String[] args)
        {
            os jsq=new os();
             
            //调用整数加法
            System.out.println("123+456="+jsq.Jia(123,456));
             
            //调用浮点数加法
            System.out.println("123.45+456.78="+jsq.Jia(123.45,456.78));
             
             
            os ma=new os();
            System.out.println("56.5，67较大的数是"+ma.max(56.5, 67));
            System.out.println("33，67.9，89较大的数是"+ma.max(33, 67.9,89));
        }
     
    }

 

转载于:https://www.cnblogs.com/wangguoning/p/5887742.html