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How to verify the password entered in the JavaFX password field?
The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line.
Similar to the text field a password field accepts text but instead of displaying the given text, it hides the typed characters by displaying an echo string.
In JavaFX the javafx.scene.control.PasswordField represents a password field and it inherits the Text class. To create a password field you need to instantiate this class.
This class inherits a property named text from its superclass TextInputControl. This property holds the contents of the current password field. You can retrieve this data using the getText() method.
Example
import javafx.application.Application; import javafx.geometry.Insets; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.control.PasswordField; import javafx.scene.control.TextField; import javafx.scene.layout.HBox; import javafx.scene.paint.Color; import javafx.scene.text.Font; import javafx.scene.text.FontPosture; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; import javafx.stage.Stage; public class PasswordFieldVerification extends Application { public void start(Stage stage) { //Creating nodes TextField textField = new TextField(); PasswordField pwdField = new PasswordField(); Button button = new Button("Submit"); button.setTranslateX(250); button.setTranslateY(75); //Creating labels Label label1 = new Label("Name: "); Label label2 = new Label("Password: "); //Setting the message with read data Text text = new Text(""); Font font = Font.font("verdana", FontWeight.BOLD, FontPosture.REGULAR, 10); text.setFont(font); text.setTranslateX(15); text.setTranslateY(125); text.setFill(Color.BROWN); //Displaying the message button.setOnAction(e -> { //Retrieving data String name = textField.getText(); String pwd = pwdField.getText(); if(pwd.equals("abc123")) { text.setText("Hello "+name+" welcome to Tutorialspoint"); } else { text.setText("Wrong password try again"); } }); //Adding labels for nodes HBox box = new HBox(5); box.setPadding(new Insets(25, 5 , 5, 50)); box.getChildren().addAll(label1, textField, label2, pwdField); Group root = new Group(box, button, text); //Setting the stage Scene scene = new Scene(root, 595, 150, Color.BEIGE); stage.setTitle("Password Field Example"); stage.setScene(scene); stage.show(); } public static void main(String args[]){ launch(args); } }
Output
Password typed − mypassword
Password typed − abc123
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