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Which methods are there in ActionListener interface?
The ActionListener interface has a single method.void actionPerformed(ActionEvent e) For full Java documentation see Oracle JavaDoc URL in related links below.
How do you deal with right click in Java Swing?
You would implement a MouseListener class like so: public class MyMouseListener extends MouseAdapter { public class MyMouseListener() {} public void mouseClicked(MouseEvent e) { if (e..getButton() MouseEvent.BUTTON3) { ; //the third button (right?) } } } Then you add in what you want to do when the correct button gets clicked. After that, you create a MyMouseListener object and register it as a MouseListener for whichever component you are trying detect events for (e.g. a pop-up menu for a JFrame).
How is interface instantiated in anonymous class for example new ActionListener?
They key word here is anonymous class. While ActionListener may be an interface, the anonymous class would be a subclass of ActionListener. It would be like creating a new class which implements ActionListener.JButton button = new JButton("Press Me!");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent ev) {System.out.println("PRESS");}});
What is an actionlistener?
An ActionListener is exactly what it sounds like. It's an interface used by other classes to listen for an action event. The simplest example of this is on a Button. Normally when you add a Button to a Component nothing will happen when you press it. You need to use a button.addActionListener(actionListener) call to make it listen for button clicks.
Can you have java and adobe on the same computer?
Yes.
Which methods are there in ActionListener interface?
The ActionListener interface has a single method.void actionPerformed(ActionEvent e) For full Java documentation see Oracle JavaDoc URL in related links below.
How do you deal with right click in Java Swing?
You would implement a MouseListener class like so: public class MyMouseListener extends MouseAdapter { public class MyMouseListener() {} public void mouseClicked(MouseEvent e) { if (e..getButton() MouseEvent.BUTTON3) { ; //the third button (right?) } } } Then you add in what you want to do when the correct button gets clicked. After that, you create a MyMouseListener object and register it as a MouseListener for whichever component you are trying detect events for (e.g. a pop-up menu for a JFrame).
How is interface instantiated in anonymous class for example new ActionListener?
They key word here is anonymous class. While ActionListener may be an interface, the anonymous class would be a subclass of ActionListener. It would be like creating a new class which implements ActionListener.JButton button = new JButton("Press Me!");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent ev) {System.out.println("PRESS");}});
What is an actionlistener?
An ActionListener is exactly what it sounds like. It's an interface used by other classes to listen for an action event. The simplest example of this is on a Button. Normally when you add a Button to a Component nothing will happen when you press it. You need to use a button.addActionListener(actionListener) call to make it listen for button clicks.
Does Java Script use the same compiler as Java?
No
How can you show a message hello on button click in java language?
I am assuming you want a dialog to pop up. 1) Write a class that implements ActionListener. Implement actionPerformed(ActionEvent). 2) In the actionPerformed() method, put "JOptionPane.showConfirmDialog(<the JFrame or JDialog or component you are using to display the button>, <the title you want>, <the text you want>);" 3) Call the method addActionListener(<your ActionListener-implementing class here>); on the JButton. 4) Display the button 5) Click the button to your heart's content. Did that answer your question?
How do you make login page with java in frame?
To create a login page in Java using a JFrame, you can utilize the Swing library. First, create a new JFrame and set its layout to a suitable manager, like GridLayout or FlowLayout. Add components such as JTextFields for username and password, JLabels for prompts, and a JButton for submission. Implement an ActionListener for the button to handle the login logic, validating user input accordingly.
Can you have java and adobe on the same computer?
Yes.
Is HTML and java script the same?
Nope. Not the way I look at it. I would have used java script in web design for some graphic work but java is the king and I also heard that java script really is not all the same now days. But I would say "NO" anyhow. Cheers linny
Is java and coffee the same thing?
Yes, they are synonyms.
Difference between a java complier and the Java JIT?
A java compiler takes Java source code and turns it into Java bytecode, which can then be run by the java virtual machine.Using JIT means that the java code will be compiled and executed at the time that you run the program, which will slow down the program because it has to compile the code at the same time that it runs.
How do you connect oracle to java?
Connecting to Java from within a Oracle database is not possible. However, if you want to connect to an Oracle database from Java, you can use JDBC for the same. JDBC stands for Java DataBase Connectivity which is the framework that helps Java applications connect to databases like Oracle
