Java Thread : isAlive() method
In this tutorial you will learn how to use isAlive() method in java thread.
In this tutorial you will learn how to use isAlive() method in java thread.Java Thread : isAlive() method
In this tutorial you will learn how to use isAlive() method in java thread.
isAlive() method :
When you are running many threads ,java take long periods switching between threads , may be one of your thread dead. This can be checked by using method Thread.isAlive().
boolean isAlive() - It is of Boolean type. It returns true if your thread is alive means your thread is started and not yet died, otherwise it returns false.
Example : In this example we are checking thread is alive or not.
class ThreadIsAlive implements Runnable {
@Override
public void run() {
Thread thread = Thread.currentThread();
System.out.println("Is Thread alive ? - " + thread.isAlive());
}
public static void main(String args[]) throws Exception {
Thread thread = new Thread(new ThreadIsAlive());
thread.start();
thread.join();
System.out.println("Is Thread alive ? - " + thread.isAlive());
}
}
Output :
Is Thread alive ? - true Is Thread alive ? - false
