RFID cards are also known as "proximity", "proxy" or "contactless cards" and come in three general varieties: passive, semi-passive (also known as semi-active), or active.

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 the user may write a series of characters, convert them, and select the correct text from several possible conversion results. This process is called composition,and the text that the input method is working on is called composed text. It ends when the user confirms the final conversion result and the text is committed.
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java beans**
JavaBeans™ is a portable, platform-independent component model written in the Java programming language. The JavaBeans architecture was built through a collaborative industry effort and enables developers to write reusable components in the Java programming language. 

Your bean may implement either the Serializable or the Externalizable interface.