showConfirmDialog(); showMessageDialog(); and showOptionDialog(). JOptionPane import and methods. For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user ...

About. This Java project calculates the hypotenuse of a right triangle using the Pythagorean theorem. The project demonstrates how to handle user input, perform square root and power calculations, and ...

Implement a Java Scanner nextChar method. Naturally, all Java developers, after learning the Java Scanner class has no nextChar method, want to implement one of their own. It’s not that hard. By ...