Can an object be null?
Define nashorn in java8.
How many types of thread in java? give the name
What do you mean by constant time complexity?
Explain the difference between jdk, jre, and jvm?
why use interface? if interface declear a method implement in class. why direct implement method in class
What happens if we don’t define serial version uid?
How does queue work in java?
Differentiate between run time error and syntax error.
How can you read an integer value from the keyword when the application is runtime in java? example?
What are the fileinputstream and fileoutputstream?
How do you add an element to a set in java?
where lives in jvm