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KeyStore aliases() method in Java with Examples

Last Updated : 1 Feb, 2023

The aliases() method of java.security.KeyStore class provides alias name associated with this keystore object. 
 

Syntax:  

public final Enumeration aliases()
 throws KeyStoreException


Return Value: This method returns the list of all alias associated with this keystore object as an Enum object.
Exception: This method throws KeyStoreException if you don't initialize this keystore.
Note: All the programs in this article won’t run on online IDE as no ‘privatekey’ Keystore exists. You can check this code on Java compiler on your system. To check this code, create a Keystore ‘privatekey’ on your system and set your own keystore password to access that keystore.
Below are the examples to illustrate the aliases() method:
Example 1: 
 


Output: 
List of all the alias present
ftpkey

 

Example 2: For 
 


Output: 
Exception thrown :
 java.security.KeyStoreException:
 Uninitialized keystore

 

Reference: https://docs.oracle.com/javase/9/docs/api/java/security/KeyStore.html#aliases--

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