Bisection Method Problem

public static void main(String[] args) {
        bisectionMethod();
    }

    private static void bisectionMethod() {
        double a = 0;
        double b = 1;
        double tol = 0.000001;

        double fa = funct(a);
        int counter = 1;
        while(Math.abs(b-a) >= (tol)) {
            System.out.println(counter + ": Interval = [" + a + ", " + b + "] x = " + ((a+b)/2));
            double m = (a+b)/2;
            double fm = funct(m);
            if((fa*fm)<=0) {
                b=m;
            }else {
                a=m;
            }
            counter++;
        }
        System.out.println(counter + ": Interval = [" + a + ", " + b + "] x = " + ((a+b)/2));
    }
    private static double funct(double x) {
        return ((3*Math.pow(x, 3))-(5*Math.pow(x, 2))-(4*x)+4);
    }