SecureRandom getAlgorithm() method in Java with Examples
Last Updated :
06 Jun, 2021
The getAlgorithm() method of java.security.SecureRandom class is used to return the name of the algorithm implemented by this SecureRandom object.
Syntax:
public String getAlgorithm()
Return Value: This method returns the name of the algorithm or unknown if the algorithm name cannot be determined.
Below are the examples to illustrate the getAlgorithm() method:
Example 1:
Java
import java.security.*;
import java.util.*;
public class GFG1 {
public static void main(String[] argv)
{
try {
SecureRandom sr = SecureRandom.getInstance( "SHA1PRNG" );
String algo = sr.getAlgorithm();
System.out.println( "Algorithm: " + algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println( "Exception thrown : " + e);
}
}
}
|
Output:
Algorithm: SHA1PRNG
Example 2:
Java
import java.security.*;
import java.util.*;
public class GFG1 {
public static void main(String[] argv)
{
try {
SecureRandom sr = SecureRandom.getInstance( "TAJMAHAL" );
String algo = sr.getAlgorithm();
System.out.println(algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println( "Exception thrown : " + e);
}
}
}
|
Output:
Exception thrown : java.security.NoSuchAlgorithmException: TAJMAHAL SecureRandom not available
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