How does enum work in java?
What is java util hashmap?
What is the difference between an argument and a parameter?
Why we should declare the variables as static and final in interfaces?
What is the difference between instanceof and isinstance?
Define jre i.e. Java runtime environment?
why an outer class cannot be declared as private?
Explain what do you mean by functional overloading in java?
What do you mean by global variable?
Explain about the interpreter in java?
Can list be null in java?
what is meant by encapsulation?
What happens when you add a double value to a string?