What is the use of :: in java?
when we write class.forName("any one class"); what happens actually?what it will return?explain stepwise?
Explain abstract class in java?
What is meant by 'bit masking' in java?
What is a double?
Define an enumeration?
Why lambda expression is used in java?
Difference between predicate, supplier and consumer ?
What is file in java?
What programs use java?
How the elements are organized in GridLayout?
Is an array a vector?
What is the difference between hashmap and hashtable? What is an interface?