Can we serialize static variables in java?
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Can we serialize arraylist in java?
How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?
How can a class be accessed, If no access modifiers are declared?
Why do we need singleton class?
How do you implement singleton class?
Why java doesn’t support multiple inheritances?
What are the legal operands of the instanceof operator?
what is the difference between multitasking and multithreading?
What technique can be employed to compare two strings?
What is difference between length and length() method in java ?
Explain the purpose of garbage collection in Java?
Why parameters should be passed by reference?