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面试准备

Java Swing 面试题与答案

Test your skills through the online practice test: Java Swing Quiz Online Practice Test

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问题 6. What is lightweight component?

A lightweight component is one that "borrows" the screen resource of an ancestor (which means it has no native resource of its own -- so it's "lighter").

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问题 7. What is double buffering ?

Double buffering is the process of use of two buffers rather than one to temporarily hold data being moved to and from an I/O device. Double buffering increases data transfer speed because one buffer can be filled while the other is being emptied.

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问题 8. What is an event in Swing?

Changing the state of an object is called an event.

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问题 9. What is an event handler in swing?

An event handler is a part of a computer program created to tell the program how to act in response to a specific event.

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问题 10. What is a layout manager?

A layout manager is an object that is used to organize components in a container.

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