How variables are stored in memory?
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Differentiate between overriding and overloading cases?
What is the effect of keeping a constructor private?
What is casting?
Can we extend a class with private constructor?
Explain the difference between arraylist and linkedlist in java?
What are the concepts of 'OOPS'?
What is the difference between serializable and externalizable interfaces?
What is the driver class?
Can a abstract class be declared final?
Why hashmap is used in java?
Is a char always 1 byte?
Is hashmap thread safe?