二元一次方程

package pers.weineel.quadratic;

import java.util.Random;

/**
* Created by weineeL on 2016/10/9.
*/
public class Quadratic {
private int a;
private int b;
private int c;
private Random rd = new Random();

public int getA() {
int temp = rd.nextInt(100);
a = temp == 0 ? temp + 1 : temp;
return a;
}

public int getB() {
b = rd.nextInt(100);
return b;
}

public int getC() {
c = rd.nextInt(100);
return c;
}

public String getQuadratic(){
int B = getB();
int C = getC();
return getA() + "x^2 + " + (B == 0 ? "" : B + "x + ") + (C == 0 ? "" : C) + " = 0";
}

public static void main(String [] argv){
Quadratic quadratic = new Quadratic();
System.out.println(quadratic.getQuadratic());
}
}

二元一次方程

原文：http://www.cnblogs.com/jy10/p/5944257.html