关于JAVA计算器的问题 速求
来源:百度知道 编辑:UC知道 时间:2024/06/19 15:06:40
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet.*;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class jsq extends JApplet implements ActionListener {
private JFrame jf;
private JPanel jp1, jp2;
private JTextField jtf;
private JButton clearButton;
private JButton[] jbs;
private double oldNumber;
private double newNumber;
private String operator;
private boolean haveOP;
public jsq() {
jf = new JFrame("我的计算机");
jp1 = new JPanel();
jp2 = new JPanel();
jtf = new JTextField(30);
clearButton = new JButton(&
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet.*;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class jsq extends JApplet implements ActionListener {
private JFrame jf;
private JPanel jp1, jp2;
private JTextField jtf;
private JButton clearButton;
private JButton[] jbs;
private double oldNumber;
private double newNumber;
private String operator;
private boolean haveOP;
public jsq() {
jf = new JFrame("我的计算机");
jp1 = new JPanel();
jp2 = new JPanel();
jtf = new JTextField(30);
clearButton = new JButton("=");
jbs