spring-security-series/Java Design Patterns/creational/singleton/Singleton.java

package javadevjournal.design.creational.singleton;

/**
 * @author Kunwar
 */
public class Singleton {

   /* private instance variable  */
   private static Singleton instance = new Singleton();

   /* private constructor */
   private Singleton(){}

   /* returns the same object */
   public static Singleton getInstance(){
      return instance;
   }
}