public class QuadraticWithMethods {
	public static void main(String[] args) {
		System.out.println("Enter values for a, b and c");
		double a = convertToDouble(getValue());
		double b = convertToDouble(getValue());
		double c = convertToDouble(getValue());
		double discriminant = calculateDiscriminant(a, b, c);
		outputEquation(a, b, c);
		if(isPositive(discriminant) || numberOfRoots(discriminant)==2) outputTwoRoots(a, b, discriminant);
		else if (isZero(discriminant) || numberOfRoots(discriminant)==1) outputOneRoot(a, b, discriminant);
		else if (isNegative(discriminant) || numberOfRoots(discriminant)==0) noRoots();
	}