This document discusses threads in Java. It begins with an introduction to threads and their advantages. The key aspects covered include:
- The Thread class and its methods like start(), sleep(), etc.
- The life cycle and possible states of a thread like ready, running, blocked, etc.
- Thread priorities and scheduling approaches on different platforms
- Synchronization techniques using synchronized blocks and methods
- The Runnable interface as an alternative to extending Thread
- Daemon threads and how they differ from normal threads