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...
Primitive Data Types in Java Java has eight (8) primitive data types. Variables are declared to be one of the data types in Java. The data type of a variable determines what value can be stored in it. comment(s) Java has eight (8) primitive data types. A variable is...
Recent Comments