Why do we need hashset in java?
What is Enum in Java?
How to create a base64 decoder in java8?
Is empty string in java?
What do you mean by stream pipelining in java 8?
What is an Exception ?
Difference between character constant and string constant in java ?
What is java and why do we need it? Explain
Why operator overloading is not in Java?
What Is Composition?
What is the difference between conversation & casting?
What is a conditional equation?
Differentiate between stringbuffer and stringbuilder in java.