钟欣桦修改结果

Calculater/src/Calculater.java

@@ -12,29 +12,25 @@ public class Calculater extends Application {
     private double firstNumber = 0;
     private String operator = "";
     private boolean startNewNumber = true;
-
     public static void main(String[] args) {
         launch(args);
     }
 
     @Override
     public void start(Stage primaryStage) {
-        // Create display label
+
         display = new Label("0.0");
         display.setStyle("-fx-font-size: 30px;");
-        display.setMinWidth(200);  // Adjust width for display
-        display.setAlignment(Pos.CENTER_RIGHT);  // Align text to the right
+        display.setMinWidth(200);
+        display.setAlignment(Pos.CENTER_RIGHT);
 
-        // Set up the buttons
         GridPane gridPane = createButtonGrid();
 
-        // Create the layout
         VBox layout = new VBox(10);
         layout.setPadding(new Insets(10));
         layout.setAlignment(Pos.CENTER);
         layout.getChildren().addAll(display, gridPane);
 
-        // Set up the scene and stage
         Scene scene = new Scene(layout, 300, 400);
         primaryStage.setTitle("Calculator");
         primaryStage.setScene(scene);
@@ -47,7 +43,6 @@ public class Calculater extends Application {
         grid.setVgap(10);
         grid.setAlignment(Pos.CENTER);
 
-        // Create buttons with a similar layout to your screenshot
         String[][] buttonText = {
                 {"AC", "±", "%", "÷"},
                 {"7", "8", "9", "×"},
@@ -56,17 +51,15 @@ public class Calculater extends Application {
                 {"0", ".", "=", ""}
         };
 
-        // Set button size
         int buttonSize = 50;
 
-        // Add buttons to the grid
         int row = 0;
         for (int i = 0; i < buttonText.length; i++) {
             for (int j = 0; j < buttonText[i].length; j++) {
                 if (!buttonText[i][j].isEmpty()) {
                     Button button = createButton(buttonText[i][j], buttonSize);
                     if (buttonText[i][j].equals("0")) {
-                        grid.add(button, j, row, 2, 1); // Make '0' span two columns
+                        grid.add(button, j, row, 2, 1);
                     } else {
                         grid.add(button, j, row);
                     }