We already used class in many programs. All java program start with the class definitions. Class is the template of the object. So object is the instance of a class. When you define a class you declare it's exact form and nature. A class is declared by the keyword class.
The general form of class:
class CLASS_NAME
{
type variable;
type variable;
type methode(paramater)
{
}
}
data variable defined within the class are called instance variables. code is contained within methods all methods and variables of a class are called members of that class.
Simple class
class Box
{
double width;
double height;
double depth;
Box() // constructor for initialization
{
width=5.0;
hieght=5.0;
depth=5.0;
}
double getVolume()
{
return width*height*depth;
}
}
Amazon
Thursday, 14 July 2011
Class fundamental in Java
01:03
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