Find the errors in the following controller class.
1 import javafx.fxml.FXML; 2 import javafx.scene.control.Button; 3 4 public class MyControllerClass 5 { 6 private Button okButton; 7 8 private Label outputLabel; 910 // This method is called when the FXML file is loaded11 public void initialize()12 {13 // Perform any necessary initialization here.14 }1516 // Event listener for the okButton17 public void okButtonListener()18 {19 // Display "Hello World" in the outputLabel.20 outputLabel.text("Hello World!");21 }22 }
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