What is map and hashmap in java?
How do u provide security in java
Is 0 an even number?
Is it possible to define a method in java class but provide it’s implementation in the code of another language like c?
Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example
What is currentthread()?
Does a class inherit the constructor of its super class?if it does, how can you hide that constructor? if it doesnot how can you call it from the sub class?
Explain the difference between an object-oriented programming language and object-based programming language?
Explain how to force the garbage collection in java.
How to instantiate static nested classes in java?
What happens if main method is not static?
What is finalize() function in java?
What does @override mean?