What is a flag value?
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What is the difference between array and array list in java?
Why java does not supports multiple inheritance?
Which types of exceptions are caught at compile time?
What is null object in java?
What is return null in java?
What is difference between protected and private?
What is the purpose of a default constructor?
What is tcp and udp?
We can write any Java Logics in our JSP. Then why we are using servlets(Controller Layer) to interact with the DAO ?
What are meta-annotations?
Describe 2 different ways to concatenate two strings.
What’s the difference between constructors and other methods?