Polymorphism in Java

ShortBuffer hashCode() Method in Java with Examples

Last Updated : 17 Jun, 2019

The hashCode() method of java.nio.ShortBuffer is used to return the hash code for a particular buffer.
The hash code of a short buffer depends only upon its remaining elements; that is, upon the elements from position() up to, and including, the element at limit() – 1.
Because buffer hash codes are content-dependent, it is inadvisable to use buffers as keys in hash maps or similar data structures unless it is known that their contents will not change.

Syntax:

public int hashCode()

Parameters: The method does not take any parameters.

Return Value: The method returns the current hash code of the buffer.

Below programs illustrate the use of hashCode() method:

Program 1:

// Java program to demonstrate 
// compareTo() method 
import java.nio.*; 
import java.util.*; 
  
public class GFG { 
  
    public static void main(String[] args) 
    { 
        // create short object and assign value to it 
        short shortNum1 = 150; 
        Short ShortObj1 = new Short(shortNum1); 
  
        // returns hashcode 
        int hcode = ShortObj1.hashCode(); 
        System.out.println("Hashcode for this Short ShortObj1 = "
                           + hcode); 
    } 
} 

Output:

Hashcode for this Short ShortObj1 = 150

Program 2:

// Java program to demonstrate 
// compareTo() method 
import java.nio.*; 
import java.util.*; 
  
public class GFG { 
  
    public static void main(String[] args) 
    { 
        // create short object and assign value to it 
        short shortNum1 = 6010; 
        Short ShortObj1 = new Short(shortNum1); 
  
        // returns hashcode 
        int hcode = ShortObj1.hashCode(); 
        System.out.println("Hashcode for this Short ShortObj1 = "
                           + hcode); 
    } 
} 

Output:

Hashcode for this Short ShortObj1 = 6010

Reference: https://docs.oracle.com/javase/9/docs/api/java/nio/ShortBuffer.html#hashCode–

Polymorphism in Java

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IshwarGupta

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