What is polymorphism in java? What are the kinds of polymorphism?
What is append in java?
What’s meant by anonymous class?
How hashmap works in java?
How many functional interfaces does java 8 have?
What does escaping a character mean?
Is boolean a data type in java?
What is a parameter used for?
Can we nested try statements in java?
Can we have more than one package statement in the source file?
Explain access modifiers in java.
What are the new features in java 8? Explain
What are the important features of Java 9 release?
What is lazy initialization in java?
Is an array a vector?