JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java Daemon Thread Examples

  • You can make any java thread as daemon thread. Daemon threads acts like service providers for other threads running in the same process.
  • Daemon threads will be terminated by the JVM when there are none of the other threads running, it includs main thread of execution as well.
  • To specify that a thread is a daemon thread, call the setDaemon method with the argument true.
  • To determine if a thread is a daemon thread, use the accessor method isDaemon.

Daemon Thread Sample Code

package com.myjava.threads;

public class DaemonThread extends Thread{
    
    public DaemonThread(){
        setDaemon(true);
    }
    public void run(){
        System.out.println("Is this thread Daemon? - "+isDaemon());
    }
    public static void main(String a[]){
        DaemonThread dt = new DaemonThread();
        // even you can set daemon constrain here also
        // it is like dt.setDeamon(true)
        dt.start();
    }
}

Example Output

Is this thread Daemon? - true

Other Thread Examples

Knowledge Centre
Inner class and Anonymous class
Inner class: classes defined in other classes, including those defined in methods are called inner classes. An inner class can have any accessibility including private.

Anonymous class: Anonymous class is a class defined inside a method without a name and is instantiated and declared in the same place and cannot have explicit constructors.
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-- Albert Einstein

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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