Explain where variables are created in memory?
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Difference between concurrent hashmap and hashtable and collections
What is a function in programming?
1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?
Explain the advantages of packages in java?
Are global variables initialized to zero?
You're given a Boolean 2D matrix, can you find the number of islands?
whats the diff between jsp and servlets?
What are internal and external variables?
What releases of Java technology are currently available? What do they contain?
Explain throw keyword in java?
What is a priority queue java?
How can we access some class in another class in java?