When the user presses the X button at the top-right corner of the main frame I want him to confirm that he intends to close that frame.
So using windowClosing(WindowEvent e) and windowClosed(WindowEvent e) I display a confirmation dialog (JOptionPane) - the problem is that even when he chooses "No" the frame is being closed.
Doing the same from File->Exit menu works just fine obviously.
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An old method to applying the Singleton pattern in your Java code is to check if a static instance, defined in the same class that needs to be instantiated once and only once, is null and then create a new instance; otherwise, the pre-existing insta…
Working with files is a moderately common task in Java. For most projects hard coding the file names, using parameters in configuration files, or using command-line arguments is sufficient.
However, when your application has vi…
Viewers learn about the “for” loop and how it works in Java. By comparing it to the while loop learned before, viewers can make the transition easily. You will learn about the formatting of the for loop as we write a program that prints even numbers…
Viewers will learn how to properly install Eclipse with the necessary JDK, and will take a look at an introductory Java program.
Download Eclipse installation zip file:
Extract files from zip file:
Download and install JDK 8:
Open Eclipse and …