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This lecture focuses on the fundamental concepts of multithreading in Java, particularly the implementation of the Runnable interface. You will learn how to create simple multithreaded applications by having a class implement the Runnable interface, which includes the essential run() method. Additionally, the session covers how to execute threads using instances of the Thread class by passing the Runnable object to the Thread constructor. By the end of the lecture, you will have a solid grasp of multithreading basics and practical examples.
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Lecture Objectives • To understand the concepts of multithreading in Java • To be able to develop simple multithreaded applications in Java
The Runnable Interface • Another way to create a thread is to have a class implement the Runnable interface • The Runnable interface has one method heading: public void run(); • A class that implements Runnable must still be run from an instance of Thread • This is usually done by passing the Runnable object as an argument to the thread constructor
The Runnable Interface: An Outline public class ClassToRun extends SomeClass implements Runnable { . . . public void run() { // Fill this as if ClassToRun // were derived from Thread } . . . public void startThread() { Thread theThread = new Thread(this); theThread.run(); } . . . }
