Java Integer toBinaryString() Method

The toBinaryString() method of Java Integer class returns a string representation of the integer argument as an unsigned integer in binary base 2.

Note: If the argument is snegative, the unsigned integer value is the argument plus 2³²otherwise, it is equal to the argument. This value is converted to a string of ASCII digits in binary (base 2) with no extra leading 0s. If the unsigned magnitude is zero, it is represented by a single zero character '0', otherwise, the first character representation of the unsigned magnitude will not be the zero character.

Explanation:

Suppose, Value = 10
Binary Value = 1010 

Syntax:

Following is the declaration of toBinaryString () method:

Parameter:

DataType	Parameter	Description	Required/Optional
int	i	It specifies the number to be converted in binary string	Required

Returns:

The toBinaryString() method returns the string representation of the unsigned integer value represented by the argument in binary (base 2).

Exceptions:

Compatibility Version:

Java 1.0.2 and above

Example 1

public class IntegerToBinaryStringExample1 {
	public static void main(String[] args) {		
	    int i = 121;
	    System.out.println("Number = " + i);
	    //returns the string representation of the integer value in binary form
	    System.out.println("Binary representation is = " + Integer.toBinaryString(i));
    }
}

Output:

Number = 121
Binary representation is = 1111001

Example 2

import java.util.Scanner;
public class IntegerToBinaryStringExample2 {
	public static void main(String[] args) {
		System.out.print("Enter the Number = ");
		Scanner readInput = new Scanner(System.in);
		int i = readInput.nextInt();
		readInput.close();
	      System.out.println("Number = " + i);
	     //returns the string representation of the integer value in binary form
	      System.out.println("Binary representation is = " + Integer.toBinaryString(i));
    }
}

Output:

Enter the Number = 56
Number = 56
Binary representation is = 111000

Example 3

public class IntegerToBinaryStringExample3 {
	public static void main(String[] args) {
	    System.out.println(Integer.toBinaryString(20));
	    System.out.println(Integer.toBinaryString(-20));	    
	    System.out.println(Integer.toBinaryString(1000));
	    System.out.println(Integer.toBinaryString(-1000));
    }
}

Output:

10100
11111111111111111111111111101100
1111101000
11111111111111111111110000011000

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Java Integer toBinaryString() Method

Explanation:

Syntax:

Parameter:

Returns:

Exceptions:

Compatibility Version:

Example 1

Example 2

Example 3

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Java Integer toBinaryString() Method

Explanation: