What is meant by inheritance and what are its advantages?
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which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
Does java have a compiler?
What is multiple inheritance? Is it supported by java?
What is java virtual machine and how it is considered in context of java’s platform independent feature?
what is java
How static variable work in java?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
What is included in core java?
Can a class have multiple subclasses?
Can classes declared using the abstract keyword cab be instantiated?
What are serialization and deserialization?
when should you use stringbuilder class in a program?