3 Mouse events are events thrown by the mouse. Mouse events are in two types. We have the MouseListener events and the MouseMotionListener events. The MouseListener handles events created when the mouse is stationary or is not in motion. MouseListener events are...
2 An event is an action that takes place within a program, such as the clicking of a button. Event is a change in the state of an object. That is, the event describes the change in the state of the source. Events are generated as a result of user interaction with the...
4 In Java, it is possible to write a class definition inside of another class definition. The inside class is called an inner class. A class with an inner class 123456 Public class Outerclass{ //fields and methods of the outer class appear...
How to add or subtract two matrices This program illustrates how to add or subtract two compatible matrices of any size. The idea is very simple. We will create three 2-dimensional arrays. The first two arrays will hold the elements of the two matrices. The third...
The BorderLayout Manager The BorderLayout manager divides a container into five regions. The regions are north, east, south, west and center. The BorderLayout is a default layout for window objects suchs the JFrame, JWindow, JDialog, JInternalFrame etc. Template of...
How to take Strings apart with substring String is immutable. That is, you cannot change it. You can create smaller strings or substrings from a string. Whenever you create a substring, a new string is created in memory. The substring method is used to create a...
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