This is my own custom layout manager that I created for Java. This Layout Manager is called MatthewLayout. The class named MatthewLayout is the layout manager I created. You use this layout manager to specify x, y, width and heights of components such as jbutton and jlabel. Example code is in main() function in MatthewLayout class. To use MatthewLayout layout manager you create a XYWidthHeight object for each component to add to the layout manager. For eg) To add a JButton object to a layout...