7 Working with Logical Channels

The Java Card, Version 3.2 platform can support up to twenty logical channels per active interface. Logical channels allow the concurrent execution of multiple applications on the card, allowing a terminal to handle different tasks at the same time.

This chapter includes the following topics:

• Dual Interface Cards
• Applets and Logical Channels
• The MultiSelectable Interface
• Writing Applets for Concurrent Logical Channels