#Java - Code Snippets for '#Thread class'

#Java - Code Snippets for '#Thread class' - 2 code snippet(s) found

Sample 1. Singleton Class ( using private constructor , object initialization using static method, doubly checked , thread safe, synchronized , volatile reference )

class Singleton {

   private static volatile Singleton instance = null;

   private Singleton(){}

   public static Singleton getInstance() {

      if (instance == null) {            

         synchronized(Singleton.class) {

            if (instance== null)

               instance = new Singleton(); 

            }

         }

      return instance;

   }

}

_{Like Feedback singleton singleton class volatile private constructor object initialization using static method doubly checked thread safe synchronized block using class level lock synchronized synchronized block class level lock object initialization using getInstance}

Sample 2. Write a Program to show Java thread usage by extending Thread class

public class MyClass {

   static class MyThreadClass extends Thread{



      @Override

      public void run() {

         System.out.println("Hello");

         try {

            Thread.sleep(1000);

            System.out.println("Hello Again");

         } catch (InterruptedException e) {

            e.printStackTrace();

         }

         

      }

      

   }

   

   public static void main(String[] args){

      MyThreadClass myThreadClass = new MyThreadClass();

      myThreadClass.start();

      

      MyThreadClass myThreadClass2 = new MyThreadClass();

      myThreadClass2.start();

   }

}

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