LAB1_JAVA.java

import java.util.Scanner;


class Quad{

public static void main(String xx[]){


   int a,b,c;
   Scanner s=new Scanner(System.in);
   System.out.println("Enter the coefficients a,b,c");
   a=s.nextInt();
   b=s.nextInt();
   c=s.nextInt();
   double des=(b*b)-(4*a*c);
   double root1,root2;
   if(a==0){
    System.out.println("The equation is not quadratic\n");
}
else if(des>0){

     root1=-b+Math.sqrt(des);
     root2=-b-Math.sqrt(des);

    System.out.println("The roots are real and distinct\nroot 1:    "+root1+"\nroot 2:   "+root2);
}
else if(des==0){
      root1=root2=-b/(2*a);
     System.out.println("The roots are real and equal\nRoot 1:  "+root1+"\nroot 2:   "+root2);
}
else   {
     root1=-b/(2*a);
     root2=Math.sqrt(Math.abs(des));

    System.out.println("The roots are imaginary\nRoot1 :   "+root1+"+i"+root2+"\nRoot 2:   "+root1+"-i"+root2);
    s.close();
       }

  }

}