What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?
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Name the class that used to read objects directly from a stream?
What do you mean by Function Overloading in java?
. What are the differences between constructor and method of a class in Java?
What is the different types of functions?
Why Java doesn’t support multiple inheritance?
What do heavy weight components mean in java programming?
when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..
Which keyword specify that a variable is effectively final ?
What are the disadvantages of object oriented programming?
What is the difference between processes and threads?
What is the purpose of final keyword and when to use it?
what are ER diagrams?