code: public char[] loadPassword(String account) {
  		byte[] pwBytes = loadPassword0(account.getBytes(UTF_8));
  		if (pwBytes == null) {
  			return null;
  		} else {
  			CharBuffer pwBuf = UTF_8.decode(ByteBuffer.wrap(pwBytes));
  			char[] pw = new char[pwBuf.remaining()];
  			pwBuf.get(pw);
  			Arrays.fill(pwBytes, (byte) 0x00);
  			Arrays.fill(pwBuf.array(), (char) 0x00);
  			return pw;
  		}
  	}
docs: Loads the password associated with the specified key from the system keychain.
  
  @param account Unique account identifier
  @return password or <code>null</code> if no such keychain entry could be loaded from the keychain.