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Input/Output Stream in java

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input/output are the two major processes in any application development. java follows the stream based input/output. A stream is a channel through which data will be transmitted. example:- Advantages of stream based I/O over Normal I/O:- Abstraction:-  Streams hides the internal complexity of I/O. Flexibility:- Streams provides a flexibility to be used in the program according to the requirement. Efficiency:-  Streams also performs the additional operations onto the data so stream based I/O always be effective over the normal I/O.                   Their are two types of streams in java- 1:- Byte Stream:- it follows the 8 bit sequence. 2:- Character Stream:- it follows the 16 bit sequence.        java.io package provides classes known as Stream classes whose objects are considered as the stream in the java applications.         InputStream & OutputStr...
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serialization

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Serialization :-               -This is the process to write the objects into the stream in such a way that further the objects can be reconstructed.                 Object serialization can be used in the networking where the one object will be passed across the network onto the different JVM. Through the serialization object can also be written into any file.   During the serialization along with the data the meta data also will be stored in the stream such as class name,field name,field type etc.                    Note:- if after the serialization the .class file of the class is changed than process of deserialization will not work.                   Note:- During the serialization the cloning of any singleton object is possible. java.io.Serializable Interface :-  By default the objects of...
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Reflection in java

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Reflection:-         Reflection is the way to recognize any class at the runtime even if their name is found at runtime. If at the development time the class name is not known by the developer then we cann't use that class without reflection.        The use of class can be load that class, to create the object of that class, invocation of the methods. By Reflection the details of the class can also be obtained such as list of their methods, list of constructors, list of the fields, name of parent class and list of implemented interfaces. Note:- Reflection is meta data of class.         According to the Reflection each and every class and members of that class represented by the objects these objects are known as the reflected object or meta object.         Through the reflection in any java program we can obtained the meta data. java.lang.Class:-               ...
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