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OOP/Java/Lab/Week13/Multiplier.java

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+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.FlowPane;
+import javafx.stage.Stage;
+
+public class Multiplier extends Application {
+
+    @Override
+    public void start(Stage primaryStage) {
+        FlowPane root = new FlowPane();
+        root.setPadding(new Insets(10));
+        root.setHgap(10);
+        root.setVgap(10);
+
+        Label inputLabel = new Label("Enter a number:");
+        TextField numberInput = new TextField();
+        Button generateButton = new Button("Generate Table");
+        TextArea resultArea = new TextArea();
+        resultArea.setPrefRowCount(12);
+        resultArea.setPrefColumnCount(20);
+        resultArea.setEditable(false);
+
+        generateButton.setOnAction(e -> {
+            try {
+                int number = Integer.parseInt(numberInput.getText());
+                StringBuilder table = new StringBuilder();
+                table
+                    .append("Multiplication Table for ")
+                    .append(number)
+                    .append("\n\n");
+
+                for (int i = 1; i <= 10; i++) {
+                    table
+                        .append(number)
+                        .append(" x ")
+                        .append(i)
+                        .append(" = ")
+                        .append(number * i)
+                        .append("\n");
+                }
+
+                resultArea.setText(table.toString());
+            } catch (NumberFormatException ex) {
+                resultArea.setText("Please enter a valid integer");
+            }
+        });
+
+        root
+            .getChildren()
+            .addAll(inputLabel, numberInput, generateButton, resultArea);
+
+        Scene scene = new Scene(root, 300, 400);
+        primaryStage.setTitle("Multiplication Table Generator");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}