Why java is object oriented?
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What is the scope or life time of instance variables?
Explain constructors and types of constructors in java.
What are 3 data types?
class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?
When can an object reference be cast to an interface reference in java programming?
What are static blocks in java ?
what are different ways in which a thread can enter the waiting state? : Java thread
What is singletonlist in java?
What is the full name of java?
What is equlas() and hashcode() contract in java? Where does it used?
What are basic data types?
What are local variables?