What is qms certification?

524

What is array list in java?

593

What are the four versions of java?

551

What is the synonym of string?

545

What is the difference between abstraction and encapsulation?

565

what is thread? What are the high-level thread states? Or what are the states associated in the thread? : Java thread

503

What is meant by data hiding in java?

640

What is the size of boolean variable?

579

What is better - 'bit-shift a value' or 'multiply by 2'?

701

Differentiate between postfix and prefix operators in java.

649

What is runtime locatable code?

870

Is final static java?

553

Why is the type for real numbers called double?

545

Is null a string?

558

I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

646