برنامه ی که معادله درجه یک حل میکند.

public class EquationSolver {

    // Solves a*x + b = 0

    public static void SolveEq1(double a, double b) {

        double x = -b/a;

        System.out.print("Solving equation: ");

        System.out.format("%f * x + %f  = 0\n", a, b);

        System.out.format("Results:\nx = %f\n", x);

    }

}