I would like to have an actionlistener to be able to figure out the source as shown in the code below. How should i implement this? JTextField tf1 = new JTextField(); JTextField tf2 = new JTextField()…
Tag: actionlistener
Getters and setters not working as it should
I need help im working on an assignment and getters and setters are not working. so im using an action listener when add amount is clicked it should add the amount that was entered to deposit amount …
how to use JTextField to show a negative or positive result using ActionListener on the JTextField itself
My program is supposed to ask a user to write a number in a JTextField and then show the result if the number is negative or positive in another JTextField that is disabled. All of that must be done without a button. Answer In your example you’ve forget to call the method JavaJTextFieldActionListner. I’ve remove it and move the code
Adding a listener to a variable in Java/JavaFX which gets called on variable change
I know that there are listeners in JavaFX, and i’m sure Java. But I’m confused as how to implement them. I have a boolean variable that is changed throughout my program. Everytime the boolean is changed, I want a function myFunc() to be ran. Can this be done easily? Answer As simple as this: and whenever you want to change
How to pause and resume a simple game in Java
i made simple game by java , it’s about “tennis background” and “tennis ball” , and the ball is randomally move automatically , my game consist of two file , 1st file fore Jpanel , and 2nd file for JFrame , my question is : i need to control of “stopping and resuming” the ball by clicking the mouse ,
How can I find out which button was clicked?
I’ve got my buttons working right, and I’m a listener to each button like this: Here as you can see the listener is called, and I want to find out which button I’m clicking. Is there a way to do that? I need some way to find the button in the array. Answer try this