Java Thread Programming

Chapter 4. Implementing Runnable Versus Extending Thread

IN THIS CHAPTER

• Visual Timer Graphical Component

• Extending Thread and JComponent?

• Interface java.lang.Runnable

• Passing a Runnable Object to a Thread's Constructor

• Modifying SecondCounter to Use Runnable

• Checking the Accuracy of SecondCounter

• Improving the Accuracy of SecondCounter

Until now, extending the class Thread has been the only way to define a new class that can have a thread running within it. This chapter shows that the Runnable interface provides a second, and more often used, mechanism for defining a new class that can have a thread running within it.

Visual Timer Graphical Component

Imagine that what you need is a timer graphical component that continually displays the time elapsed since ...