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What is SecureRandom getAlgorithm() method in Java?

Gutha Vamsi Krishna

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

Overview

In Java, we use the getAlgorithm() method to get the algorithm's name implemented by a secure random object. We have the SecureRandom class for this method, which consists of methods to generate substantial random numbers.

Syntax

Let's look at the syntax of the method.

secureRandomInstnace.getAlgorithm();

Parameters

This method won't take any parameters.

Return value

It returns the name of the algorithm implemented by secure random object which calls it.

Example

Let's look at the code example below.

import java.security.*;
import java.util.*;

public class main {
	public static void main(String[] argv)
	{
		//create instance of securerandom
		SecureRandom rndm = new SecureRandom();

    	//get algorithm name
		System.out.println(rndm.getAlgorithm());
	}
}
Try it out!

Explanation

In the code snippet above:

  • Line 8: We create an instance of SecureRandom class and assign it to variable rndm.
  • Line 11: We use the getAlgorithm() method to get the algorithm name implemented by the secure random object rndm and display it.

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CONTRIBUTOR

Gutha Vamsi Krishna
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Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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