Is null in java?
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Can you have an inner class inside a method and what variables can you access?
What is an immutable object? How do you create one in java?
What is difference between adapter class and listener?
Is arraylist zero based?
What is Locale class?
what is hashmap& hashtable with example?
What is the difference between Integer and int?
What is data structure in java?
Where is the find and replace?
Write a program to solve producer consumer problem in java?
Why parameters should be passed by reference?
as we know a static method could access static data and static method only. then how could main method call the object of aclass which is not static and other non static data