What are the major drawbacks of external iteration?
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Is it possible to use string in the switch case?
What is the purpose of final keyword and when to use it?
Matrix multiplication only using OOP concepts .
Iterator in the HashMap is fail-safe means what?
If two threads call a static method at the same point of time, what will happen?
What are null interfaces in JAVA ? and give me some examples?
What is the technique adopted to create an immutable class?
What is the difference between int and integer in java?
What is the use of flag?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
what is the diffrence between class and object?
What is the immediate superclass of Menu?