Java Signature toString() method with Examples

Last Updated : 4 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 
// 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 
// 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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