Java Advanced Java - Technical Questions and Answers

181.	What method must be implemented by all threads?
	Answer: All tasks must implement the run() method, whether they are a subclass of Thread or implement the Runnable interface. Workspace Report errors ... Name : Email: View Answer

182.	What methods are used to get and set the text label displayed by a Button object?
	Answer: getLabel() and setLabel(). Workspace Report errors ... Name : Email: View Answer

183.	Which Component subclass is used for drawing and painting?
	Answer: Canvas. Workspace Report errors ... Name : Email: View Answer

184.

What are synchronized methods and synchronized statements?

185.	What are the two basic ways in which classes that can be run as threads may be defined?
	Answer: A thread class may be declared as a subclass of Thread, or it may implement the Runnable interface. Workspace Report errors ... Name : Email: View Answer

186.	What are the problems faced by Java programmers who don't use layout managers?
	Answer: Without layout managers, Java programmers are faced with determining how their GUI will be displayed across multiple windowing systems and finding a common sizing and positioning that will work within the constraints imposed by each windowing system. Workspace Report errors ... Name : Email: View Answer

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