Interface java.io.Externalizable

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#1 (permalink)

12-19-2007, 06:53 PM

Java Tip

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Join Date: Nov 2007

Posts: 1,465

Interface java.io.Externalizable

A serializable object must be an instance of a class that implements java.io.Serializable or java.io.Externalizable interface.

The Externalizable interface includes two abstract methods

Code:

void readExternal(ObjectInput in) 
void writeExternal(ObjectOutput out)

The developer has to define these methods so he has better control on the object and this can provide better performance.

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