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import java.sql.*;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.GridPane;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;
public class Hauptfenster extends Application {
@Override
public void start(Stage stage) throws SQLException {
String host = "jdbc:hsqldb:mem:mitarbeiter";
Connection verbindung = DriverManager.getConnection(host);
Statement befehl = verbindung.createStatement();
String SQL = """
CREATE TABLE Mitarbeiter (
persnr INTEGER Primary Key Not Null,
name VARCHAR(30),
vorname VARCHAR(30),
gehalt DECIMAL(9,2)
)
""";
befehl.executeUpdate(SQL);
GridPane grid = new GridPane();
grid.setAlignment(Pos.CENTER);
grid.setHgap(30);
grid.setVgap(50);
grid.setPadding(new Insets(20, 20, 20, 20));
stage.setTitle("Personalverwaltung");
Text titel = new Text("Wählen Sie eine Aktion aus:");
titel.setFont(Font.font("Arial", FontWeight.BOLD, 14));
grid.add(titel, 0, 0, 2, 1);
ButtonHinzufuegen btn1 = new ButtonHinzufuegen("Mitarbeiter hinzufügen");
grid.add(btn1, 0, 1);
btn1.setPrefSize(200, 50);
ButtonEntfernen btn2 = new ButtonEntfernen("Mitarbeiter entfernen");
grid.add(btn2, 1, 1);
btn2.setPrefSize(200, 50);
ButtonGehalt btn3 = new ButtonGehalt("Gehalt anpassen");
grid.add(btn3, 0, 2);
btn3.setPrefSize(200, 50);
ButtonAnzeigen btn4 = new ButtonAnzeigen("Personal anzeigen");
grid.add(btn4, 1, 2);
btn4.setPrefSize(200, 50);
Button btn5 = new Button("OK");
grid.add(btn5, 0, 3, 2, 1);
btn5.setPrefSize(100, 20);
GridPane.setHalignment(btn5, HPos.CENTER);
btn1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
btn1.neuesFenster(stage);
}
});
btn2.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
btn2.neuesFenster(stage);
}
});
btn3.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
btn3.neuesFenster(stage);
}
});
btn4.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
btn4.neuesFenster(stage);
}
});
btn5.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
stage.close();
}
});
Scene scene = new Scene(grid, 600, 400);
stage.setScene(scene);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
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