Explain the difference between map and flatmap stream operation?
What is a boolean structure?
Why stringbuffer is faster than string?
Relationship between an event-listener interface and an event-adapter class?
Can an abstract class be a final class?
What do you understand by weak reference?
whats is inheritance?
15 Answers CTS, HCL,
What is a cup of java?
explain the concept of virtual method invocation in polymorphism in detail?
Why does abstract class have constructor?
What is meant by string is immutable?
There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?
What is the difference between break and continue statements?