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converting decimal integer into binary number

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 Converting decimal integer into binary number

/*import java.io.*;

import java.util.*;

public class Binary

{

    public static void main(String [] args)

    {

        Scanner input = new Scanner(System.in);

        System.out.println(" Enter Number ");

        int num = input.nextInt();

        int temp = num;

        String b=null;

        while(temp>0)

        {

            int a;

            a=temp%2;

            temp=temp/2;

            if(b==null)

            {

            b=String.valueOf(a);

            }
            else

            {

                b=String.valueOf(a)+b;

            }

        }

        System.out.println("Number in binary representation");

        System.out.println(b);

    }

} */

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