Can we return null in java?
Give us a program to check for parenthesis matching using stack.
What is the purpose of using break in each case of switch statement?
What is use of functional interface in java 8? Explain
How can constructor chaining be done by using the super keyword?
How can we make a class singleton?
What is a null point?
How to create a base64 decoder in java8?
What is the purpose of tostring() method in java?
Can we overload the main() method?
Give example to differentiate between call by value and call by reference.
Why do we use threads in java?
What is a function in programming?
How many types of variables are there?
What is an empirical question?