What is the common usage of serialization?

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Whenever an object is to be sent over the network, objects need to be serialized. Moreover if the state of an object is to be saved, objects need to be serilazed.

2013-05-21, 2186👍, 0💬

What is serialization?
What is serialization? Serialization is a mechanism by which you can save the state of an object by converting it to a byte stream. 2013-05-17, 2144👍, 0💬

How can I customize the seralization process? i.e. how can one have a control over the serialization process?
How can I customize the seralization process? i.e. how can one have a control over the serialization process? Yes it is possible to have control over serialization process. The class should implement Externalizable interface. This interface contains two methods namely readExternal and writeExternal.... 2013-05-21, 2114👍, 0💬

What one should take care of while serializing the object?
What one should take care of while serializing the object? One should make sure that all the included objects are also serializable. If any of the objects is not serializable then it throws a NotSerializableException. 2013-05-23, 2053👍, 0💬

Does Java provide any construct to find out the size of an object?
Does Java provide any construct to find out the size of an object? No there is not sizeof operator in Java. So there is not direct way to determine the size of an object directly in Java. 2013-05-24, 2032👍, 0💬

What is Externalizable interface?
What is Externalizable interface? Externalizable is an interface which contains two methods readExternal and writeExternal. These methods give you a control over the serialization mechanism. Thus if your class implements this interface, you can customize the serialization process by implementing the... 2013-05-22, 2031👍, 0💬

What happens to the static fields of a class during serialization?
What happens to the static fields of a class during serialization? There are three exceptions in which serialization doesnot necessarily read and write to the stream. These are 1. Serialization ignores static fields, because they are not part of ay particular state state. 2. Base class fields are on... 2013-05-23, 2029👍, 0💬

How do I serialize an object to a file?
How do I serialize an object to a file? The class whose instances are to be serialized should implement an interface Serializable. Then you pass the instance to the ObjectOutputStream which is connected to a fileoutputstream. This will save the object to a file. 2013-05-20, 2020👍, 0💬

When you serialize an object, what happens to the object references included in the object?
When you serialize an object, what happens to the object references included in the object? The serialization mechanism generates an object graph for serialization. Thus it determines whether the included object references are serializable or not. This is a recursive process. Thus when an object is ... 2013-05-22, 2006👍, 0💬

Objects are passed by value or by reference?
Objects are passed by value or by reference? Java only supports pass by value. With objects, the object reference itself is passed by value and so both the original reference and parameter copy both refer to the same object . 2013-05-17, 1996👍, 0💬

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