question: public synchronized void engineDeleteEntry ( String alias ) throws KeyStoreException { if ( debug != null ) { debug . println ( "Removing entry at alias '" + alias + "'" ) ; } Entry entry = entries . get ( alias . toLowerCase ( Locale . ENGLISH ) ) ; if ( entry instanceof PrivateKeyEntry ) { PrivateKeyEntry keyEntry = ( PrivateKeyEntry ) entry ; if ( keyEntry . chain != null ) { certificateCount -= keyEntry . chain . length ; } privateKeyCount -- ; } else if ( entry instanceof CertEntry ) { certificateCount -- ; } else if ( entry instanceof SecretKeyEntry ) { secretKeyCount -- ; } entries . remove ( alias . toLowerCase ( Locale . ENGLISH ) ) ; }
target:  Deletes the entry identified by the given alias from this keystore.