Java Data Type Tutorial - Java Thread.isAlive()

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Syntax

Thread.isAlive() has the following syntax.

public final boolean isAlive()

Example

In the following code shows how to use Thread.isAlive() method.

//  w  ww . ja v  a2s .com


class ThreadDemo implements Runnable {

  public void run() {

    Thread t = Thread.currentThread();
    // tests if this thread is alive
    System.out.println("status = " + t.isAlive());
  }
}

public class Main {
  public static void main(String args[]) throws Exception {

    Thread t = new Thread(new ThreadDemo());
    // this will call run() function
    t.start();
    // waits for this thread to die
    t.join();
    // tests if this thread is alive
    System.out.println("status = " + t.isAlive());
  }
}

The code above generates the following result.

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