java 定义Fraction分数类实现分数加减乘除比较大小等功能

Question

分数类Fraction

属性：分子分母

方法：加减乘除、比较大小

要求构造器至少两个

Answer 1

@Date
public class fraction{
    privvate double molecular;
    private double denominator;

    fraction(){
    }
    fraction(double molecular,double denominator){
        this.molecular = molecular;
        this.denominator = denominator;
    }
    
    private double add(){
        return this.molecular+this.denominator;
    }

    private double sub(){
        return this.molecular-this.denominator;
    }

    private double mul(){
        return this.molecular*this.denominator;
    }

    private double div(){
        return this.molecular/this.denominator;
    }

    private double compare(){
        return this.molecular>this.denominator?this.molecular:this.denominator;
    }
}