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UserInput.java
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UserInput.java
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package sample;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class UserInput extends Application {
Stage window;
public static void main(String[] args) {
launch(args);
}
public void start(Stage stage) {
window = stage;
window.setTitle("User Input box");
TextField input = new TextField();
input.setPromptText("Enter your keywords here");
Button submit = new Button("Submit");
submit.setOnAction(e -> {
isInt(input.getText());
});
VBox box = new VBox(10);
box.setPadding(new Insets(20, 20, 20, 20));
box.getChildren().addAll(input, submit);
Scene scene = new Scene(box, 300, 200);
window.setScene(scene);
window.show();
}
private Boolean isInt(String message) {
try {
int age = Integer.parseInt(message);
System.out.println("User is:" + age);
return true;
} catch (NumberFormatException e) {
System.out.println("User has not entered a number");
}
return false;
}
}