What is set in java?
What is a for loop in java?
What are the java ide’s?
To what value is a variable of the Boolean type automatically initialized?
How do you check if a number is a perfect square?
What is hash table in java?
What is an arraylist in java?
What are exceptions
What is a flag and how does it work?
Why are strings immutable in Java?
Is singleton a bad practice?
What is the purpose of a default constructor?
Does hashset allow duplicates in java?