Java program to convert a decimal number to binary number and vice versa.

CODE:    

 

import java.util.*;

class prac2B

{

public static void main(String args[])

{

Scanner input=new Scanner(System.in);

System.out.print("Enter the Decimal number ");

int no=input.nextInt();

int i=0;

int arr[]=new int[100];

while(no>0)

{

arr[i++]=no%2;

no=no/2;

}

System.out.print("Binary number are: ");

for(int j=i-1;j>=0;j--)

{

System.out.print(arr[j]);

}

}

}