Delete 'SimpleCalculator.java'

SimpleCalculator.java

@@ -1,89 +0,0 @@
-package Calculate;
-
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineManager;
-import javax.swing.*;
-import java.awt.*;
-import java.awt.event.ActionEvent;
-
-public class SimpleCalculator extends JFrame {
-    private JTextField inputField; // 输入显示区域
-
-    public SimpleCalculator() {
-        createUI();
-    }
-
-    private void createUI() {
-        // 设置窗口布局
-        setLayout(new BorderLayout());
-
-        // 创建输入显示区域
-        inputField = new JTextField("0");
-        inputField.setEditable(false);
-        inputField.setHorizontalAlignment(JTextField.RIGHT);
-        add(inputField, BorderLayout.NORTH);
-
-        // 创建面板用于放置按钮
-        JPanel panel = new JPanel();
-        panel.setLayout(new GridLayout(5, 4, 5, 5)); // 设置间距
-
-        // 创建数字和运算符按钮
-        String[] buttons = {"7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0", ".", "=", "+", "C", "Backspace"};
-        for (String b : buttons) {
-            JButton button = new JButton(b);
-            panel.add(button);
-            button.addActionListener(e -> press(e.getActionCommand()));
-        }
-
-        // 添加面板到窗口
-        add(panel, BorderLayout.CENTER);
-
-        // 设置窗口属性
-        setSize(300, 400); // 设置窗口大小
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        setTitle("Simple Calculator");
-        setVisible(true);
-    }
-
-    private void press(String command) {
-        if ("C".equals(command)) {
-            clear();
-        } else if ("Backspace".equals(command)) {
-            backspace();
-        } else if ("=".equals(command)) {
-            calculate();
-        } else {
-            if (inputField.getText().equals("0") && !command.equals(".")) {
-                inputField.setText(command);
-            } else {
-                inputField.setText(inputField.getText() + command);
-            }
-        }
-    }
-
-    private void clear() {
-        inputField.setText("0");
-    }
-
-    private void backspace() {
-        String currentText = inputField.getText();
-        if (!currentText.isEmpty()) {
-            inputField.setText(currentText.substring(0, currentText.length() - 1));
-        }
-    }
-
-    private void calculate() {
-        String expression = inputField.getText();
-        try {
-            ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
-            Object result = engine.eval(expression);
-            inputField.setText(result.toString());
-        } catch (Exception e) {
-            JOptionPane.showMessageDialog(this, "Invalid input", "Error", JOptionPane.ERROR_MESSAGE);
-        }
-    }
-
-    public static void main(String[] args) {
-        SwingUtilities.invokeLater(SimpleCalculator::new);
-    }
-}