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Provider toString() method in Java with Examples
  • Last Updated : 12 Jun, 2019

The toString() method of java.security.Provider class is used to return a string with the name and the version number of this provider.

Syntax:

public String toString()

Return Value: This method returns the string with the name and the version number for this provider.

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

Example 1:



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// Java program to demonstrate
// getVersion() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv) throws Exception
    {
  
        try {
            // creating the object of  KeyPairGenerator
            KeyPairGenerator sr = KeyPairGenerator.getInstance("DSA", "SUN");
  
            // getting the Provider of the KeyPairGenerator sr
            // by using method getProvider()
            Provider provider = sr.getProvider();
  
            // getting the name and version of the provider
            // using toString() method
            String nv = provider.toString();
  
            // printing the string info
            System.out.println("Provider : " + nv);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}

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Output:

Provider : SUN version 1.8

Example 2:

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// Java program to demonstrate
// getVersion() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv) throws Exception
    {
  
        try {
            // creating the object of  SecureRandom
            SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
  
            // getting the Provider of the SecureRandom sr
            // by using method getProvider()
            Provider provider = sr.getProvider();
  
            // getting the name and version of the provider
            // using toString() method
            String nv = provider.toString();
  
            // printing the string info
            System.out.println("Provider : " + nv);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}

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Output:

Provider : SUN version 1.8

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