In this article we are going to see how we can convert decimal to binary. We also write java code to convert decimal to binary.

Decimal to Binary conversion:-

For conversion of Decimal to Binary continuously divide the decimal number by 2 until decimal number become 0. and add every reminder after division at the beginning of the result variable.

Example:-

Let’s assume Decimal =5

• Step-1 : decimal = 5/2 =2 , reminder = 1 , result= 1
• Step-2 : decimal =2/2=1,reminder=0 ,result=01
• Step-3 : decimal =1/2=0,reminder=1 , result=101

Now Decimal become 0 hence the final result is 101, Which is binary conversion of 5.

Steps for code to convert decimal to binary:-

• Create a string variable to store binary value.
• Run a loop while decimal number is greater than 0.
• calculate the reminder dividing by 2 i.e. reminder = number%2.
• Add the beginning of result string.
• Divide number by 2 i.e. number = number/2.
• End of loop.
• The string variable will hold binary value of given decimal number.

Java code to convert decimal to binary:-

package gangforcode;
import java.util.*;
public class DecToBin {
 public static void decToBin(int n) {
	 String binary="";
	 while(n>0) {
		 binary=(n%2)+binary;
		 n=n/2;
	 }
	 System.out.println(binary);
 }
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter the Decimal number");
	    int n=sc.nextInt();
		decToBin(n);

	}

}

Output:-

The same logic can be used to convert decimals to binary in other programing languages like C, C++, Python, etc.