Java Advanced Java - Technical Questions and Answers

161.	What happens if an exception is not caught?
	Answer: An uncaught exception results in the uncaughtException() method of the thread's ThreadGroup being invoked, which eventually results in the termination of the program in which it is thrown. Workspace Report errors ... Name : Email: View Answer

162.	What is a layout manager?
	Answer: A layout manager is an object that is used to organize components in a container. Workspace Report errors ... Name : Email: View Answer

163.	Which arithmetic operations can result in the throwing of an ArithmeticException?
	Answer: Integer / and % can result in the throwing of an ArithmeticException. Workspace Report errors ... Name : Email: View Answer

164.	What are three ways in which a thread can enter the waiting state?
	Answer: A thread can enter the waiting state by invoking its sleep() method, by blocking on I/O, by unsuccessfully attempting to acquire an object's lock, or by invoking an object's wait() method. It can also enter the waiting state by invoking its (deprecated) suspend() method. Workspace Report errors ... Name : Email: View Answer

165.	Can an abstract class be final?
	Answer: An abstract class may not be declared as final. Workspace Report errors ... Name : Email: View Answer

166.	What is the ResourceBundle class?
	Answer: The ResourceBundle class is used to store locale-specific resources that can be loaded by a program to tailor the program's appearance to the particular locale in which it is being run. Workspace Report errors ... Name : Email: View Answer

167.	What happens if a try-catch-finally statement does not have a catch clause to handle an exception that is thrown within the body of the try statement?
	Answer: The exception propagates up to the next higher level try-catch statement (if any) or results in the program's termination. Workspace Report errors ... Name : Email: View Answer

168.

What is numeric promotion?

169.	What is the difference between a Scrollbar and a ScrollPane?
	Answer: A Scrollbar is a Component, but not a Container. A ScrollPane is a Container. A ScrollPane handles its own events and performs its own scrolling. Workspace Report errors ... Name : Email: View Answer

170.	What is the difference between a public and a non-public class?
	Answer: A public class may be accessed outside of its package. A non-public class may not be accessed outside of its package. Workspace Report errors ... Name : Email: View Answer