
import java.awt.event.*;import javax.swing.*;import java.util.*;import java.awt.*;public class uas extends JFrame{private JDesktopPane deskPane;private JButton btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btndot,btn0,btn00,btnkl,btnbg,btnkr,btnhsl,btnc,btntb;private JTextField txt;private JLabel lblaw,lblnm,lblnim,lbloff,lblak;ArrayList...