下面是一个简单的JavaFX计算器示例:
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class Calculator extends Application {
private TextField resultField;
private Button clearButton;
private Button backButton;
private Button plusButton;
private Button minusButton;
private Button multiplyButton;
private Button divideButton;
private Button equalButton;
private Button decimalButton;
private Button[] numberButtons;
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Excepti