Decimal to binary java code: In the previous article, we have discussed Java Program for Hexadecimal to Decimal
In this article we will discuss about how to convert Binary to Octal.
Java Program to Convert Decimal to Binary
Java convert decimal to binary: Before jumping into the program directly, let’s first know about decimal to binary.
Decimal:
Decimal number mainly defines the base of 10 in the number system. This number is basically consists of 10(ten) single digits like 0,1,2,3,4,5,6,7,8 and 9 with base 10. It is also known as a position value system.
Example: (183)10, (321)10
where, (number)10 number represents the original decimal number and 10 is the base.
Binary:
Binary number mainly consists of only two numbers i.e. 0 and 1. The base address of the binary number is 2. For low voltage signal the value will 0 and for the high voltage signal the value will 1.
Example: (1001)2, (111000)2
where, (number)10 number represents the original binary number and 2 is the base.
Let’s see different ways convert decimal to binary.
Method-1: Java Program for Decimal to Binary By Using Integer.toBinaryString() method
In this method we have used Integer.toBinaryString() method to convert decimal to binary.
Let’s see the program to understand it more clearly.
import java.util.*;
public class DecimalToBinary
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
int n1=sc.nextInt();
System.out.println(Integer.toBinaryString(n1));
}
}
Output: Enter a decimal: 52 110100
Methos-2: Java Program for Decimal to Binary By Using Custom Logic
In this approach we have used custom logic. Let’s see the program to know it’s actual implementation.
public class DecimalToBinary
{
public static void toBinary(int dec)
{
int binary[] = new int[100];
int ind = 0;
while(dec > 0){
binary[ind++] = dec % 2;
dec = dec/2;
}
for(int k = ind-1;k >= 0;k--)
{
System.out.print(binary[k]);
}
}
public static void main(String args[])
{
System.out.println("The Decimal number of 52 is: ");
toBinary(52);
System.out.println("\nThe Decimal number of 63 is: ");
toBinary(63);
System.out.println("\nThe Decimal number of 36 is: ");
toBinary(36);
}
}
Output: The Decimal number of 52 is: 110100 The Decimal number of 63 is: 111111 The Decimal number of 36 is: 100100
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