What are methods in java?
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Can a lock be acquired on a class?
What is the size of an array?
What is the difference between the paint() and repaint() methods in java programming?
What do you understand by synchronization?
What exactly is a .class file?
Which list does not allow duplicates in java?
How to retrieve data from database in java using arraylist?
4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (
What is a lightweight component?
What are parent methods and how can you call them?
What is string buffer?
Does any tag exists in HTML to upload and download files ?