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摘要： import java.io.*;/** * A simple output class to write values to a file of characters. * If any file errors occur, methods in this class will display * an error message and terminate the program. * * ... 阅读全文

摘要： import java.awt.*;import java.awt.event.*;import javax.swing.*;/** * This class provides a basic window, with a quit button, that can * be used to create simple GUIs. * * @version 1.1 2000.01.07 * @a... 阅读全文