[LEFT]import java.util.Scanner;
public class Denklem {
public static double delta_bul(double a, double b, double c){
double dbl_Delta = Math.pow(b, 2) - (4 * a * c);
return dbl_Delta;
}
public static boolean diskriminant_bul(double dbl_delta){
if (dbl_delta > 0)
return true;
else
return false;
}
public static void kok_bul(double a, double b, double c, boolean bol_dis){
double x1, x2;
if (bol_dis){
x1 = (-b + Math.sqrt(delta_bul(a, b, c))) / (2 * a);
x2 = (-b - Math.sqrt(delta_bul(a, b, c))) / (2 * a);
System.out.println("X1: " + x1 +
"\nX2: " + x2);
}else
System.out.println("reel kok yok!");
}
public static void main(String[] args) {
Scanner klavye = new Scanner(System.in);
System.out.println("ax^2 + bx + c = 0");
System.out.print("a: ");
double a = klavye.nextDouble();
System.out.print("b: ");
double b = klavye.nextDouble();
System.out.print("c: ");
double c = klavye.nextDouble();
System.out.println();
kok_bul(a, b, c, diskriminant_bul(delta_bul(a, b, c)));
}
}
[/LEFT]