JAVA PROGRAM TO PRINT REAL SOLUTION OF QUADRATIC EQUATIONS.

import java.io.*;
class Quadratic
{
 public static void main(String args[])throws IOException
 {
  double x1,x2,disc,a,b,c;
  InputStreamReader obj=new InputStreamReader(System.in);
  BufferedReader br=new BufferedReader(obj);
  System.out.println("enter a,b,c values");
  a=Double.parseDouble(br.readLine());
  b=Double.parseDouble(br.readLine());
  c=Double.parseDouble(br.readLine());
  disc=(b*b)-(4*a*c);
  if(disc==0)
  {
   System.out.println("roots are real and equal ");
   x1=x2=-b/(2*a);
   System.out.println("roots are "+x1+","+x2);
  }
  else if(disc>0)
  {
   System.out.println("roots are real and unequal");
   x1=(-b+Math.sqrt(disc))/(2*a);
   x2=(-b+Math.sqrt(disc))/(2*a);
   System.out.println("roots are "+x1+","+x2);
  }
  else
  {
   System.out.println("roots are imaginary");
  }
 }
}