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Java Signature toString() method with Examples

  • Last Updated : 04 Dec, 2018

The toString() method of java.security.Signature class is used to return a string representation of thesignature object, providing information that includes the state of the object and the name of the algorithm used.

Syntax:

public String toString()

Return Value: This method returns a string representation of this signature object.

Below are the examples to illustrate the toString() method:

Example 1:






// Java program to demonstrate
// toString() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
  
            // creating the object of Signature
            Signature sr = Signature.getInstance("SHA1withDSA");
  
            // getting the String representation
            // by using method toString()
            String status = sr.toString();
  
            // printing the provider name
            System.out.println("Status : " + status);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
Status : Signature object: SHA1withDSA

Example 2:




// Java program to demonstrate
// toString() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
  
            // creating the object of Signature
            Signature sr = Signature.getInstance("NONEwithDSA");
  
            // getting the String representation
            // by using method toString()
            String status = sr.toString();
  
            // printing the provider name
            System.out.println("Status : " + status);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
Status : Signature object: NONEwithDSA

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