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RootsOfQuadraticEquation.java

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+// Program to find the root of quadratic equation (Dynamic Method).
+
+import java.util.Scanner;
+
+public class RootsOfQuadraticEquation {
+    public static void main(String args[]){
+        double secondRoot = 0, firstRoot = 0;
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Enter the value of a :");
+        double a = sc.nextDouble();
+        System.out.println("Enter the value of b :");
+        double b = sc.nextDouble();
+        System.out.println("Enter the value of c :");
+        double c = sc.nextDouble();
+        double determinant = (b*b)-(4*a*c);
+        double sqrt = Math.sqrt(determinant);
+        if(determinant>0){
+            firstRoot = (-b + sqrt)/(2*a);
+            secondRoot = (-b - sqrt)/(2*a);
+            System.out.println("Roots are :: "+ firstRoot +" and "+secondRoot);
+        }else if(determinant == 0){
+            System.out.println("Root is :: "+(-b + sqrt)/(2*a));
+        }
+    }
+}