Until Zero

Write a program to input numbers as long as user doesn't give zero.Find the greatest and smallest number, swap the values of both variable without using the third variable.

import java.util.Scanner;

class UntilZero

{

    public static void main()

    {

        int x,max,min;

        System.out.println("Enter an integer");

        Scanner in = new Scanner(System.in);

        x = in.nextInt();

        max=min=x;

        while(x!=0)

        {

            System.out.println("Enter an integer again");

            x = in.nextInt();

            if(x>max)

                max=x; //stores maximum

            if(x<min)

                min=x; //stores minimum

        }

        System.out.println("Maximum Value  "+ max );

        System.out.println("Minimum Value  "+ min );

        max = max + min;

        min = max - min;

        max = max - min;

        System.out.println("\n\nAfter Swaping Without Third Variable ");

        System.out.println("Maximum Value  "+ min );

        System.out.println("Minimum Value  "+ max );

    }

}

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