Lec-9 || Java Program for roots of a quadratic Equation

Scanner class Link: https://youtu.be/WqULVMpACZU Program: import java.util.*; class Roots { public static void main(String args[]) { double r1,r2; Scanner sc = new Scanner(System.in); System.out.println("Enter a,b and c values:"); double a = sc.nextDouble(); double b = sc.nextDouble(); double c = sc.nextDouble(); double d = (b*b) - (4*a*c); if(d==0) { System.out.println("Roots are real and equal"); r1=r2= -b/(2*a); System.out.println("R1= " + r1); System.out.println("R2= " + r2); } else if(d greater than 0) (pls use greater than symbol) { System.out.println("Roots are real and distinct."); r1 = (-b + Math.sqrt(d) ) / (2*a); r2 = (-b - Math.sqrt(d) ) / (2*a); System.out.println("R1= " + r1); System.out.println("R2= " + r2); } else { System.out.println("Roots are distinct and imaginary"); double x = -b / (2*a); double y = Math.sqrt(-d) / (2*a); System.out.println("R1=" + x + "+i" + y); System.out.println("R2=" + x + "-i" + y); } } }