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JAVA PROGRAMMING
Using Class and Objects Here is a class called Box that defines three instance variables: width, height, and depth. Currently box doesn't contain method.
class Box { double width; double height; double depth; }
As stated, a class define a new type of data. In this case, the new data type is called Box. You will use this name to declare objects of type Box.
To create a Box object, you will use a statement like the following:
Box mybox new Box();
After this statement executes, mybox will be an instance of Box.
If you want to assign any value to its attributes, you would use the following statement:
mybox.width=10;
Here is a sample code that uses the Box Class 
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