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Counseling Astrology Advice | Tarot Advice | Parenting Dating Advice | Love Advice | Divorce Advice Legal Advice | Debt Advice | Career Advice An object's finalize() method cannot be invoked by the garbage collector while the object is still reachable. However, an object's finalize() method may be invoked by other objects. 30. What is the immediate superclass of the Applet class? Panel 31. What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and then reenters the pool of ready tasks. The scheduler then determines which task should execute next, based on priority and other factors. 32. Name three Component subclasses that support painting. The Canvas, Frame, Panel, and Applet classes support painting. 33. What value does readLine() return when it has reached the end of a file? The readLine() method returns null when it has reached the end of a file. 34. What is the immediate superclass of the Dialog class? Window. 35. What is clipping? Clipping is the process of confining paint operations to a limited area or shape. |
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