JavaFX PasswordField Tutorial with Examples
1. JavaFX PasswordField
JavaFX PasswordField is a user control allowing users to enter their password, its contents can be read by application. PasswordField does not display the characters that users enter, instead of that, it displays a circle corresponding to each character typed.
2. PasswordField example
PasswordFieldDemo.java
package org.o7planning.javafx.passwordfield;
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.PasswordField;
import javafx.scene.layout.FlowPane;
import javafx.stage.Stage;
public class PasswordFieldDemo extends Application {
@Override
public void start(Stage primaryStage) throws Exception {
PasswordField passwordField = new PasswordField();
Button button = new Button("Show Password");
Label label = new Label("?");
button.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
String password = passwordField.getText();
label.setText(password);
}
});
FlowPane root = new FlowPane();
root.setPadding(new Insets(10));
root.setVgap(5);
root.setHgap(5);
root.getChildren().addAll(label, passwordField, button);
Scene scene = new Scene(root, 320, 150);
primaryStage.setTitle("JavaFX PasswordField (o7planning.org)");
primaryStage.setScene(scene);
primaryStage.show();
}
public static void main(String[] args) {
Application.launch(args);
}
}
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