Un-Answered Questions { Advanced Java }

Difference between hashmap and hashtable?

610


What if the static modifier is removed from the signature of the main method?

709


Name the eight primitive java types.

603


What modifiers may be used with an interface declaration?

561


What is the purpose of the wait(), notify(), and notifyall() methods?

572


Do I need to import javlang package any time? Why ?

630


To what value is a variable of the string type automatically initialized?

615


Which containers use a border layout as their default layout?

615


Is a class a subclass of itself?

592


Name three subclasses of the component class?

620


Name three component subclasses that support painting?

620


What is synchronization and why is it important?

548


What is the difference between the font and fontmetrics classes?

566


When a thread blocks on i/o, what state does it enter?

578


How many times may an objects finalize() method be invoked by the garbage collector?

676