i would like to display a message while initialisation of data using a dialog. But it does’t want to close and I can’t see what is wrong with this code : Thank you Answer This… is wrong. Once the dialog is made visible, it will wait till it’s closed before continuing the flow of execut…
Tag: joptionpane
How to create JOptionPane with multiple list selections and extract all the choices?
I am interested in creating a JOptionPane or any interactable pop-up Pane that contains multiple list selections. I also wish to extract the selections the user made. The code below shows an MRE where I generate two different JOptionPanes with list selections and extract the choice from each. Essentially, I a…
When using JOption Pane, During Cancelled JOption Pane, NullPointerException occurs
I have data in jTable1. I attempted to send them to jTable2 , after calculating by value entered to JOption Pane. But when I clicked on cancelled button on JOption Pane program making error. Line 80 in my code is I need help to solve this problem. Thanks in advance. Code is shown below Stack Trace shown below…
How to align multiple lines of JOptionPane output dialog messages by “:”?
I need to make the output in 3 lines and also aligned by “:”, using JOptionPane.showdialogmessage(): *note the alignment of the “:” I have tried manually adding spaces before each “:” but still these 3 lines do not strictly align: Here is the output screenshot: What is the …
Print index position of letter from sentence using JOptionPane
I need to ask the user to input a sentence and then a letter. The program should then print out how many letters the sentence contains. Also the index position of the specified character that the user …
Display all the items I have ordered
How to display all the items I have ordered in “Sales Report File”? Like whenever I ordered 2 cookies, It will display on the Sale Report file. I have this code currently.. Answer If you want like a text list of what you have ordered, you can simply create an ArrayList<String> and every time…
Printing stack trace in JOptionPane
My question: How can i put the text e.printStackTrace prints into a JOptionPane window My code is currently as follows: excuse the poor formatting 😛 this both prints the stack trace in the command line interface(i am using terminal) and it creates a JOptionPane but NOT with the same info as e.printStackTrace(…
How to terminate a JOptionPane ConfirmDialog from an actionListener
I use this line to show my ConfirmDialog int yn = JOptionPane.showConfirmDialog(frame.getParent(), scrollPane, “stuffs”, JOptionPane.OK_CANCEL_OPTION); In that ConfirmDialog I have …
How to change background color of JOptionPane?
I have added JOptionPane to my application but I do not know how to change background color to white? Answer By using the UIManager class or