Why is string class considered immutable?
Why is the type for real numbers called double?
Difference between string, string builder, and string buffer?
A person says that he compiled a java class successfully without even having a main method in it? Is it possible?
Why java is object oriented?
What is Java Shutdown Hook?
what is session in java?
What are different types of encoding?
What is the difference between int and integer in java?
Differentiate between static and non-static methods in java.
What do you mean by of string::valueof expression in java 8?
What is jagged array in java?
What is vector?
How to call one constructor from the other constructor ?
What is size of int in java?