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There are 5 forms available, namely
• Single inheritance: A derived class with only one base class
• Multiple inheritance: A derived class with only several base class
• Hierarchical inheritance: The traits one class may be inherited by more than one class
• Multilevel inheritance:
• Hybrid inheritance: it is a combination of multiple and hierarchical inheritance.
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Creating a new class, reusing the properties of the existing ones ,this mechanism of deriving a new class from the old one is called inheritance or derivation. The old class is referred to as the bare class and the new one is called the derived class or subclass.
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Multiple inheritence is not supported in Java because of ambuiguity that it causes.
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osi model means( open system interconnection) .it has seven layers 1.physical layer 2.data link layer 3.network layer 4. transport layer 5. session layer 6.presentation layer 7. application layer
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There are five layers in tcp/ip :
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MAC is nothing but "Media Access Control" addresses is a hardware identification number that uniquely identifies each device on a network.
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