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Java Integer compareUnsigned() Method

Java compareUnsigned() method belongs to the Integer class of the java.lang package and is specified by Comparable<Integer> Interface. This method is used to compare the unsigned value of two integers passed to find which one is greater than the other.

The compareUnsigned(int x,int y) method returns the value:

  • 0; if the unsigned value of x and y are equal.

  • -1; if the unsigned value of x is less than y.

  • 1; if the unsigned value of x is more than y.

Syntax:

public static int compareUnsigned(int x, int y)  

Parameters:

The parameters passed consists of two integers int x and int y that represents the first and second integers to be compared as an unsigned value respectively.

Returns:

Value 0, 1, -1 is returned depending upon the values of x and y.

Example 1:

Here, four integers n1,n2,n3,n4 are taken with respective values and are checked for the values are either less, more, or equal than the compared.

import java.lang.Integer;

public class StudyTonight 
{  
    public static void main(String[] args) 
     {          
      int n1 = 100;  
      int n2 = -200;  
      int n3 = 300;  
      int n4 = 100;  
          
        System.out.println(Integer.compareUnsigned(n1, n2));  //Output will be less than zero
        
        System.out.println(Integer.compareUnsigned(n3, n1)); // Output will be greater than zero  
        
        System.out.println(Integer.compareUnsigned(n1,n4));  // Output will be equal to zero
      }  
}  

-1
1
0

Example 2:

Here, four integers n1,n2,n3,n4 are taken in an array and are checked for the values are either less, more, or equal when compared with the first value of the array.

import java.lang.Integer;

public class StudyTonight 
{  
    public static void main(String[] args) 
    {          
      int []n = {-100,-200,300,100};  
      
       for(int i=0;i<4;i++)

       {
          System.out.println(Integer.compareUnsigned(n[0], n[i]));  
        
       }  
    } 
}


0
1
1
1

Example 3:

Here is a general example where the user can enter the numbers of his choice and get the desired output. The try and catch block is used for handling any exception taking place during the execution of the program. (For example, the user enters a String, etc. in place of the integer).

import java.util.Scanner; 
import java.lang.Integer;
public class StudyTonight 
{  
    public static void main(String[] args) 
    {      
        Scanner sc = new Scanner(System.in);  
        System.out.print("Enter first and second number ");  
          try
          {
           int n1 = sc.nextInt();  
           int n2 = sc.nextInt();  
           int r =  Integer.compareUnsigned(n1, n2);    
             if(r > 0)
              {  
               System.out.println("first number is greater");  
              }
              else if(r< 0) 
              {  
                System.out.println("second number is greater");  
              } 
              else
              {  
               System.out.println("both numbers are equal");
              }
           }
          catch(Exception e)
           {
            System.out.println("Error!!");
           }
          
      }  
 }  


Enter first and second number -34 98
first number is greater

Live Example:

Here, you can test the live code example. You can execute the example for different values, even can edit and write your examples to test the Java code.