I'm trying to make a game where I get questions from the database and the JRadioButton shows these questions.
How do I define the radio button?
I can code to get the answers from the database but how do I set up my radio button?
You must know how to fetch data from the database since you say you know how to get the answers from the database, so let's assume you've retrieved a question that you want to apply to your radio button. We'll call it myQuestion.
JRadioButton has a constructor which takes a String and a boolean as arguments, representing the String that the radio button should be displayed, and whether the radio button should be selected.
JRadioButton myRadioButton = new JRadioButton(myQuestion, false);
This gives you an unselected radio button with your question as text.
Now what if you want to change your question at some point? You can use JRadioButton's setText() method to change the radio button's text at any time.
myRadioButton.setText(myNewQuestion);
Related
This question already has answers here:
How to set up a listener on the selected text in TextView
(3 answers)
Closed 1 year ago.
i want a Help just which way i follow to get a listener for the selected text in TextView,
what i want is when the user select a specified text, a button of options will appear.
i hope you help me
Have you tried ActionListener? It will be called when user interacts or performs any action on that particular component. You can get the selected content by component.getSelectedText() or similar method. Do not write separate listeners for mouse and keyboard operations as it might interfere with one another and cause problems.
I am creating a quiz and I missed the labels with a transition text. I want the labels with the question and answers to be changed when the program starts. So it would not make sense to change the labels with a button. I would only do that after the first question.
There are 20 JTextField and one calculate button in panel.
after entering data to text field and I click button, program calculate as well.
What I want to do, after first click for button, is there any updates in any text fields, button colors should be change as green (it means you have to know something already change and you have to calculate again).
How can I proceed with that, should I put action listener for each text field or any other short code exist?
Your question is not clear. As far my concern to yr question you can track button click event and put code there for check jtextfield value and on the bases of value you can take decision to change the color of the button
I have some radio buttons and each one of then create a button with the Name "OK", such button is meant to proceed.
However, I need to check if the button already exists so the program don't create a copy of the button each time one of the radio buttons is clicked.
Check by the variable name. It won't allow you to create a variable with the same name...
This question already has answers here:
How can I check that JButton is pressed? If the isEnable() is not work?
(6 answers)
Closed 7 years ago.
I am creating a basic calculator GUI and I have created JHoverButtons and a text field that only allows integer inputs. Now what I am trying to do is have it so that if for example, the hover button that says "1" on it is clicked by the user, then the text field would display "1" just as the user has done so by clicking the button.
So I have created if-statements to do as I had detailed above and this is what I had written for that:
if (hoverOne.isSelected()){
integerInput.setText("1");
}
Turns out the isSelected method is for toggle buttons with which my hover buttons are not so when I run the file, it doesn't do what I wanted. I named the text field in the GUI as integerInput and the hover button with "1" on it as hoverOne.
How can I get it so that when a user clicks the button, the text field displays the number the user entered?
You can try to use isPressed() method to check if the JButton is pressed:
if(jButton1.getModel().isPressed())
{
//code
}