What problems will occur when you don?t use layout managers?
What is equals method in java?
What is a constructor overloading in java?
Explain the difference between throw and throws in java?
What is object-oriented programming?
Does java arraylist maintain insertion order?
What is prime number in java?
When should I use singleton pattern?
What is cloneable interface?
What is a qms manual?
Where is the singleton class used?
Can we use both this () and super () in a constructor?
What are virtual methods?