How do you add an element to an arraylist in java?
What is a flag and how does it work?
explain the difference between jdk and jvm?
What is the main purpose of serialization in java?
Can you use this() and super() both in a constructor?
what are ER diagrams?
What is Connection pooling? Explain Pros and Cons?
What kind of variables a class can consist of?
What is use of set in java?
State the main difference between c++ and java?
What is the this keyword?
what is the use of Clonable,and serializable interface?
Which types of exceptions are caught at compile time?