C5X1_QuadraticEquationTester.java

/**
QuadraticEquationTester.java    MrG 2011.1024
purpose:    find the roots of a quadratic equation
required files: QuadraticEquationTester.java        main class
        QuadraticEquation.java          derived class
translator: javac QuadraticEquationTester.java
interpreter:    java QuadraticEquationTester a b c
*/

public class QuadraticEquationTester
{
    public static void main(String[] args)
    {
        int a = Integer.parseInt(args[0]);
        int b = Integer.parseInt(args[1]);
        int c = Integer.parseInt(args[2]);
        QuadraticEquation joey = new QuadraticEquation(a,b,c);
        System.out.println("disc = " + joey.getDisc());
        if(joey.hasSolutions())
        {
            System.out.println("root1 = " + joey.getRoot1());
            System.out.println("root2 = " + joey.getRoot2());
        }
        else
        {
            System.out.println("The roots are complex conjugates!");
        }
    }
}