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Implementing a Serializable Singleton

In Singeton classes only one instance will be created.

Implementing a Serializable Singleton


In Singeton classes only one instance will be created. We are going to serialize the class. This can be done very easily. What we need to do is to implement a interface. We will use a method of Serializable interface that is readResolve().

readResolve(): It returns Object and throw ObjectStreamException


Code of the program is given below:




public class SerializableSingleton implements {
 static SerializableSingleton singleton;
 protected SerializableSingleton() 
  // Exists only to thwart instantiation.
  private Object readResolve() 
 return instancd;
  public static void main(String args[])
  singleton = new SerializableSingleton();

Download this program


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Posted on: June 7, 2007

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