first commit

Author: COLORREF

LICENSE

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+MIT License
+
+Copyright (c) 2024 COLORREF
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# calculator
+- Qt-C++普通计算器
+- Java普通、科学计算器

src/Calculator.java

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+import counter.ScientificCalculator;
+import counter.StandardCalculator;
+
+import javax.swing.JButton;
+import javax.swing.UnsupportedLookAndFeelException;
+
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class Calculator implements ActionListener
+{
+    StandardCalculator standard_calculator = new StandardCalculator();//标准计算器
+    ScientificCalculator scientific_calculator = new ScientificCalculator();//科学计算器
+
+    private final JButton toggle_button_scientific = new JButton();//切换科学计算
+    private final JButton toggle_button_standard = new JButton();//切换标准计算器
+
+    //窗口坐标
+    private int x;
+    private int y;
+    private final int w = standard_calculator.getWidth();
+    private final int h = standard_calculator.getHeight();
+
+    Calculator() throws
+            UnsupportedLookAndFeelException,
+            ClassNotFoundException,
+            InstantiationException,
+            IllegalAccessException {
+        inItUi();
+    }
+
+    private void inItUi() {
+        toggle_button_scientific.setBounds(13, 0, 54, 30);
+        toggle_button_scientific.setFocusPainted(false);
+        toggle_button_scientific.setFocusable(false);
+        toggle_button_scientific.setFont(new Font("微软雅黑", Font.PLAIN, 11));
+        toggle_button_scientific.setText("科学");
+        toggle_button_scientific.addActionListener(this);
+        standard_calculator.getContentPane().add(toggle_button_scientific);
+
+        toggle_button_standard.setBounds(13, 0, 54, 30);
+        toggle_button_standard.setFocusPainted(false);
+        toggle_button_standard.setFocusable(false);
+        toggle_button_standard.setFont(new Font("微软雅黑", Font.PLAIN, 11));
+        toggle_button_standard.setText("标准");
+        toggle_button_standard.addActionListener(this);
+        scientific_calculator.getContentPane().add(toggle_button_standard);
+    }
+
+    private void recordCoordinates(int x_, int y_) {
+        x = x_;
+        y = y_;
+    }
+
+    public void exec(){
+        standard_calculator.exec();
+        scientific_calculator.exec();
+        recordCoordinates(standard_calculator.getX(), standard_calculator.getY());
+        scientific_calculator.setIsHidden(true);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        String button_text = ((JButton) e.getSource()).getText();
+        switch (button_text) {
+            case "科学":
+                recordCoordinates(standard_calculator.getX(), standard_calculator.getY());
+                standard_calculator.setIsHidden(true);
+                scientific_calculator.setBounds(x, y, w, h);
+                scientific_calculator.setIsHidden(false);
+                break;
+            case "标准":
+                recordCoordinates(scientific_calculator.getX(), scientific_calculator.getY());
+                scientific_calculator.setIsHidden(true);
+                standard_calculator.setBounds(x, y, w, h);
+                standard_calculator.setIsHidden(false);
+                break;
+        }
+    }
+}

src/Main.java

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+import javax.swing.UnsupportedLookAndFeelException;
+
+public class Main
+{
+    public static void main(String[] arg) throws UnsupportedLookAndFeelException, ClassNotFoundException, InstantiationException, IllegalAccessException
+    {
+        Calculator calculator = new Calculator();
+        calculator.exec();
+    }
+}