Mega Code Archive
0381 Extending Thread
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The extending class must override the run( ) method, which is the entry point for the new thread. It must also call start( ) to begin execution of the new thread.
Here is the preceding program rewritten to extend Thread:
class NewThread extends Thread {
NewThread() {
super("Demo Thread");
System.out.println("Child thread: " + this);
start(); // Start the thread
}
public void run() {
try {
for (int i = 5; i > 0; i--) {
System.out.println("Child Thread: " + i);
Thread.sleep(500);
}
} catch (InterruptedException e) {
System.out.println("Child interrupted.");
}
System.out.println("Exiting child thread.");
}
}
public class Main {
public static void main(String args[]) {
new NewThread(); // create a new thread
try {
for (int i = 5; i > 0; i--) {
System.out.println("Main Thread: " + i);
Thread.sleep(1000);
}
} catch (InterruptedException e) {
System.out.println("Main thread interrupted.");
}
System.out.println("Main thread exiting.");
}
}
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