What do you mean by thread safe?
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Can you access non static variable in static context?
Why there are some null interface in java? What does it mean?
What are the limitations for static method?
For class CFoo { }; what default methods will the compiler generate for you>?
What is the use of isempty in java?
What is lazy initialization in java?
what is Thread?
What is the purpose of the enableevents() method in java programming?
What advantage does an entity bean have over a sessin bean?
How many characters is 16 bytes?
Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?
What is array and arraylist in java?