public class BlurAndSharpenDemo extends JFrame implements ActionListener { private JPanel jPanel = new JPanel() //面板jPanel用于容纳模糊、锐化、还原图像按钮 private JButton buttonFile //打开图像文件按钮 private JButton buttonBlur //模糊图像按钮 private JButton buttonSharpen //锐化图像按

整数多种进制形式相互转换，指定一种整数类型，以一种进制形式输入一个整数，将其及负数分别转换成其他进制形式显示-import java.awt.* import java.awt.event.* import javax.swing.* import javax.swing.event.CaretListener import javax.swing.event.CaretEvent public class NumJFrame extends JFrame i