代数：2×2的线性方程

package com.sugarpie.classtest14;

/**
 * @author sugarpie
 * @create 2021-05-11-8:51
 */
public class LinearEquation {
    private double a;
    private double b;
    private double c;
    private double d;
    private double e;
    private double f;

    public LinearEquation(double a, double b, double c, double d, double e, double f) {
        this.a = a;
        this.b = b;
        this.c = c;
        this.d = d;
        this.e = e;
        this.f = f;
    }

    public double getA() {
        return a;
    }
    public double getB() {
        return b;
    }
    public double getC() {
        return c;
    }
    public double getD() {
        return d;
    }
    public double getE() {
        return e;
    }
    public double getF() {
        return f;
    }

    public boolean isSolvable(){
        if (a * d - b * c == 0){
            return false;
        }
        return true;
    }
    public double getX(){
        double x = (e * d - b * f) / (a * d - b * c);
        return x;
    }
    public double getY(){
        double y = (a * f - e * c) / (a * d - b * c);
        return y;
    }
}package com.sugarpie.classtest14;