What is the functionality of the stub?
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What do you mean by collectors in java 8?
What collections you have worked on? Internal working of Hashmap?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
What is use of super keyword?
What is string and its types?
How do you check if a number is a perfect square?
Why is flag used in java?
finalize() method?
what are depricated methods in threads and explain the lifecycle methods
How can you say java is object oriented?
What is a ternary operator in java? What is an interface?
What is proper subset?