Explain heap sort?
Tell me are there implementations for sorting and searching in the java libarary?
What is a method header?
Why do we need data structure in java?
Can we call the constructor of a class more than once for an object?
what is filters and its use?
Using callable statement how can you pass out parameters, explain with example?
What are the actions that can occur when a thread enters blocked state?
what are Checked & Unchecked exceptions ?
What is adapter class?
What is floor math?
What are the performance implications of interfaces over abstract classes?
What are inbuilt functions?