Posted On: Dec 17, 2020
OSI means open system 4 interconnectio model..It has 7 layers.
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In programming, Array is a collection of similar types of values in a single unit. Array stores data in a contiguous memory location....
The four pillars of OOPs are as follows:Inheritance Abstraction Encapsulation Polymorphism ...
Java is an object-oriented programming language to develop software. It is originated by Sun Microsystem by James Gosling and his followers. A popular quote for JAVA is “Write once run anywhere....