Linked Questions

I need to limit input length to 4 digits in JFX textField (field can be empty or have value 0-9999). Below solution works only partially - I can input only digits , but as many as i want - limit do ...

I want to make sure that the user can only write Numbers in the text field. But whenever I call textfield.setText(oldValue);, it won't update the text in the text field (it's not deleting the invalid ...

I need to restrict input into a TextField to integers. Any advice?

I am trying to create a numeric TextField for Integers by using the TextFormatter of JavaFX 8. Solution with UnaryOperator: UnaryOperator<Change> integerFilter = change -> { String ...

I've a custom dialog with several UI elements. Some TextFields are for numeric input. This dialog does not close when the escape key is hit and the focus is on any of the numeric text fields. The ...

Hi I am trying to read a the numbers from a text field that shows a price e.g. £3.00, and convert the value of the price to a double. Is there a way to do Double value; value = Double.parseDouble(...

I created a simple javafx program. I want to seprate the digits three by three when I entering the digits in the textfiled. I used two solution which are given in the stackoverflow links(How to format ...

I want to add validation in javafx TextField such that user should only be able to insert integer values ([0-9] and Dot ). Also user should be able to insert either B or b(for Billion) and K or k (for ...

I started coding two weeks ago and I´m trying java higgledy-piggledy. I wrote a Java Fibonacci Sequence program, which let´s you select the start of your sequence and the length. I build my first ...

For example, if I enter 32164578542324236.97325074, this number should be displayed in a TextField like 32,164,578,542,324,236.97325074. I tried to handle this, but unsuccessfully: inputField....

I have the following Trade object class. public class Trade implements Comparable<Trade>{ // attributes of each trade that go into the tableViewTransaction log // properties ...

in my JAVA FX application I am using TextArea to display certain text content. I am using following property to restrict editing: templateScriptArea.setEditable(false); With this, user is not able to ...

I have hard time finding any guides on how to addEventHandlerfor textfield so that it does real time validation from key inputs to only allow hh:mm time format. I found this expression ^([0-9]|0[0-9]|...

I'm having trouble figuring out how to catch an exception in the setOnEditCommit() function. TableColumn<Property, Float> value_clm = new TableColumn<Property, Float>("Value"); value_clm....

I was browsing here on StackOverflow a solution to a problem: essentially I want the TextField to limit user input to just numeric values/ integers. I have found an answer that mentions a listener: ...