What are the advantages of arraylist over arrays?
What do you understand by abstract classes?
What is array class in java?
Explain the difference between abstract class and interface in java?
What is array length?
What is nested top-level class?
What is binary tree in java?
How many bits is a double?
How many wrapper classes are there in java?
Is char * a string?
How to eliminate duplicates from an array?
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What is a double vs float?
what is polymorphism with example?types of polymorphism?