Latihan/Determinan.java at main · Haniifaa/Latihan · GitHub

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public class Determinan
{
	float a, b, c;
	double D, x1, x2;
	public Determinan(){}
	public Determinan(float a, float b, float c)
	{
		this.a = a;
		this.b = b;
		this.c = c;
	}
	void hitungD()
	{D= b*b-(4*a*c);}
	void hitungX1X2()
	{
		if(D>0)
		{
			x1=(-b+Math.sqrt(D))/(2*a);
            x2=(-b-Math.sqrt(D))/(2*a);
		}
        else if(D==0)
        {
            x1=x2=-b/(2*a);
        }
        else{
            x1=(-b/(2*a))+(Math.sqrt(-D)/(2*a));
            x2=(-b/(2*a))-(Math.sqrt(-D)/(2*a));
        }
	}
    void cetakDeterminan()
    {
        hitungD();
        hitungX1X2();
        System.out.println("a   : "+a);
        System.out.println("b   : "+b);
        System.out.println("c   : "+c);
        System.out.println("D   : "+D);
        System.out.println("x1   : "+x1);
        System.out.println("x2   : "+x2);

    }
}