欢迎使用QQ浏览器文档工具.docx
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2023-12-11
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator extends JFrame implements ActionListener {
private JTextField textField;
private JButton[] numberButtons = new JButton[10];
private JButton[] functionButtons = new JButton[8];
private JButton addButton, subButton, mulButton, divButton;
private JButton decButton, equButton, delButton, clrButton,
negButton, sqrtButton;
private JPanel panel;
private double num1 = 0, num2 = 0, result = 0;
private char operator;
Calculator() {
this.setTitle("Calculator");
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