Java Integer toUnsignedString() Method

This method is used to get an unsigned String object representing the value of the Number Object. There is two different types of Java toUnsignedString() method which can be differentiated depending on its parameter.

These are:

Java Integer toUnsignedString(int i) Method
Java Integer toUnsignedString(int i, int radix) Method

1. Java Integer toUnsignedString(int i) Method

The toUnsignedString(int i) is an inbuilt method of Java which is used to return a string representation of the argument as an unsigned decimal value.

2. Java Integer toUnsignedString(int i, int radix) Method

This method returns a string representation of the first int type argument as an unsigned integer value in the radix specified by the second argument. If the radix is smaller than Character.MIN_RADIX or larger than Character.MAX_RADIX then the base 10 is used. In this method, the following ASCII characters are used as digits: 0 to 9 and a to z.

Note: Here, the first argument is treated as an unsigned value so, there is no leading sign character will be printed.

Syntax:

Following is the declarations of toUnsignedString() method:

public static String toUnsignedString(int i)
public static String toUnsignedString(int i, int radix)

Parameter:

DataType	Parameter	Description	Required/Optional
int	i	It is an integer value specified by the user to be converted to an unsigned string.	Required
int	radix	This is of integer type and used in the string representation.	Required

Returns:

Method	Returns
toUnsignedString(int i)	It returns an unsigned string representation of the int type argument in base 10.
toUnsignedString(int i, int radix)	It returns an unsigned string representation of the int type argument in the specified radix.

Exceptions:

Compatibility Version:

Java 1.8 and above

Example 1

public class IntegerToUnsignedStringExample1 {
	public static void main(String[] args) {
		Integer obj1 = 25;     
		//It will return a string value    
		String strval1 = Integer.toUnsignedString(obj1);
		System.out.println("String Representation = " + strval1);		     
		Integer obj2 = -18;		     
		//It will return a string value
		String strval2 = Integer.toUnsignedString(obj2);
		System.out.println("String Representation = " + strval2);
            }
}

Test it Now

Output:

String Representation = 25
String Representation = 4294967278

Example 2

import java.util.Scanner;
public class IntegerToUnsignedStringExample2 {
	public static void main(String[] args) {
		System.out.print("Enter Value: ");
		Scanner scan = new Scanner(System.in);
		int ivalue = scan.nextInt();
		System.out.println("Output: "+Integer.toUnsignedString(ivalue)); 
		scan.close();
            }
}

Output:

Enter Value: ABCD
Exception in thread "main" java.util.InputMismatchException
	at java.base/java.util.Scanner.throwFor(Scanner.java:939)
	at java.base/java.util.Scanner.next(Scanner.java:1594)
	at java.base/java.util.Scanner.nextInt(Scanner.java:2258)
	at java.base/java.util.Scanner.nextInt(Scanner.java:2212)
	at myPackage.IntegerToUnsignedStringExample2.main(IntegerToUnsignedStringExample2.java:9)

Example 3

public class IntegerToUnsignedStringExample3 {
	public static void main(String[] args) {
	    //Returns a string representation of the specified unsigned integer with radix 10
	    String returnval1 = Integer.toUnsignedString(-65, 10);
	    System.out.println("String Value = " + returnval1); 
	    //Returns a string representation of the specified unsigned integer with radix 16
	    String returnval2 = Integer.toUnsignedString(65, 16);
	    System.out.println("String Value = " + returnval2); 	    
	    String returnval3 = Integer.toUnsignedString(-65, 16);
	    System.out.println("String Value = " + returnval3);
	    //Returns a string representation of the specified unsigned integer with radix 2
	    String returnval4 = Integer.toUnsignedString(65, 2);
	    System.out.println("String Value = " + returnval4);	    
	    String returnval5 = Integer.toUnsignedString(-65, 2);
	    System.out.println("String Value = " + returnval5);
          }
}

Test it Now

Output:

String Value = 4294967231
String Value = 41
String Value = ffffffbf
String Value = 1000001
String Value = 11111111111111111111111110111111

Example 4

import java.util.Scanner;
public class IntegerToUnsignedStringExample4 {
	public static void main(String[] args) {
	    //Enter the user input
	    Scanner scan = new Scanner(System.in);
	    System.out.print("Enter Number: ");
	    int value = scan.nextInt();
	    System.out.print("Enter Radix/Base: ");
	    int base = scan.nextInt();
	    scan.close();
	    //Print the value in decimal format
	    System.out.println("Output: "+Integer.toUnsignedString(value, base));
          }
}

Output:

Enter Number: -37245327
Enter Radix/Base: 16
Output: fdc7ae71

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Java Integer toUnsignedString() Method

1. Java Integer toUnsignedString(int i) Method

2. Java Integer toUnsignedString(int i, int radix) Method

Note: Here, the first argument is treated as an unsigned value so, there is no leading sign character will be printed.

Syntax:

Parameter:

Returns:

Exceptions:

Compatibility Version:

Example 1

Example 2

Example 3

Example 4

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