Triangle

public class triangle {
    private int sideA = 0;
    private int sideB = 0;
    private int sideC = 0;
    Scanner UserInput = new Scanner(System.in);

    public triangle(){

    }
    public void message(){
         System.out.println("Enter 3 integer numbers\n"
                + "which represent 3 sides of a triangle\n"
                + "Press enter after each number\n\n");

         getUserInput();
    }

    public void getUserInput(){
    try {
        System.out.println("side a: ");
        sideA = UserInput.nextInt();
        System.out.println("side b:");
        sideB = UserInput.nextInt();
        System.out.println("side c:");
        sideC = UserInput.nextInt();

        validateTri(sideA, sideB, sideC);
        }

        catch (Exception e){
            System.out.println("You did not enter an intiger!");
        }
    }

    private void validateTri(int side1, int side2, int side3){


        if(side1 + side2 > side3 && side1 + side3 > side2 && side2 + side3 > side1){
            System.out.print("True");
           PyTheory(side1, side2, side3);
            }
        else {
            System.out.println("False");

        }
    }

    private void PyTheory(int side1, int side2, int side3){
        sideA = side1;
        sideB = side2;
        sideC = side3;

        //prints true if the square root of sideB and sideC are equal to sideA
        if(sideA > sideB && sideA > sideC){

            if((Math.sqrt(sideB) + Math.sqrt(sideC)) == Math.sqrt(sideA)){
                System.out.println("/true");
            }
        }
        //prints true if the square root of sideC and sideA are equal to sideB
        else if(sideB > sideC && sideB > sideA){


            if((Math.sqrt(sideC) + Math.sqrt(sideA)) == Math.sqrt(sideB)){
                System.out.println("/true");
            }
        }
        //prints true if the square root of sideB and sideA are equal to sideC
        else if(sideC > sideB && sideC > sideA){


            System.out.println(Math.sqrt(sideB) - (Math.sqrt(sideA) + Math.sqrt(sideC)));
            if((Math.sqrt(sideB) + Math.sqrt(sideA)) == Math.sqrt(sideC)){

                System.out.println("/true");
            }

        else{
            System.out.println("/false");
        }
        }

    }
}