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StringWriter hashCode() method in Java with Examples

  • Last Updated : 19 Jun, 2019

The hashCode() method of StringWriter Class in Java is used to get the HashCode value of this StringWriter instance. This method does not accepts any parameter and returns the required int value.

Syntax:

public int hashCode()

Parameters: This method accepts does not accepts any parameter.

Return Value: This method returns a int value which is the HashCode value of the StringWriter instance.

Below methods illustrates the working of hashCode() method:



Program 1:




// Java program to demonstrate
// StringWriter hashCode() method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a StringWriter instance
            StringWriter StringWriter
                = new StringWriter();
  
            // Get the String
            // to be written in the stream
            String string = "GeeksForGeeks";
  
            // Write the string
            // to this StringWriter using write() method
            StringWriter.write(string);
  
            // Get the HashCode value using hashCode()
            System.out.println("HashCode value: "
                               + StringWriter.hashCode());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
Output:
HashCode value: 589431969

Program 2:




// Java program to demonstrate
// StringWriter hashCode() method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a StringWriter instance
            StringWriter StringWriter
                = new StringWriter();
  
            // Get the String
            // to be written in the stream
            String string = "GFG";
  
            // Write the string
            // to this StringWriter using write() method
            StringWriter.write(string);
  
            // Get the HashCode value using hashCode()
            System.out.println("HashCode value: "
                               + StringWriter.hashCode());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
Output:
HashCode value: 589431969

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