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Java Character class hashCode() method with example

Character class hashCode() method: Here, we are going to learn about the hashCode() method of Character class with its syntax and example.
Submitted by Preeti Jain, on November 01, 2019

Character class hashCode() method

  • hashCode() method is available in java.lang package.
  • hashCode() method is used to return the hashcode of the Subset object.
  • hashCode() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • hashCode() method is a final method it does not override in child class.
  • hashCode() method does not throw an exception at the time of returning hash code.

Syntax:

    public final int hashCode();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of this method is int, it returns hash code for this Subset object.

Example:

// Java program to demonstrate the example 
// of int hashCode() method of Character.Subset

public class HashcodeOfCharacterSubset extends Character.Subset {
    HashcodeOfCharacterSubset(String str) {
        super(str);
    }

    public static void main(String[] args) {
        String str1 = new String("Java");
        HashcodeOfCharacterSubset value1 = new HashcodeOfCharacterSubset(str1);

        String str2 = new String("Programming");
        HashcodeOfCharacterSubset value2 = new HashcodeOfCharacterSubset(str2);

        int hashcode1 = value1.hashCode();
        System.out.println("value1.hashCode(): " + hashcode1);

        int hashcode2 = value2.hashCode();
        System.out.println("value2.hashCode(): " + hashcode2);
    }
}

Output

value1.hashCode(): 1785210046
value2.hashCode(): 1151020327





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