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### How to solve Simple Quadratic Equation in Java ?.

Program to solve Simple Quadratic Equation in Java.

```import java.util.Scanner;

{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);

double a = 0;
double b = 0;
double c = 0;
double discriminant = 0;
double d = 0;

System.out.print("Enter the value of a : ");
a = input.nextDouble();

System.out.print("Enter the value of b : ");
b = input.nextDouble();

System.out.print("Enter the value of c : ");
c = input.nextDouble();

discriminant = (b * b - 4 * a * c);

d = Math.sqrt(discriminant);

if (discriminant >= 0.0) {
System.out.println("First root of the equation : "
+(-b + d) / (2.0*a));

System.out.println("Second root of the equation : "
+(-b - d) / (2.0*a));
}
else
{
System.out.println("The roots are not real numbers.");
}
}
}

```

Output of the program :

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