Summary: Using Classes and Objects
In this lesson, we will look the important points we covered in this chapter.
We'll cover the following...
- The Java Class Library, which contains a collection of standard classes that we can use in our programs, is organized into packages of classes.
- We use the operator
newto create a new object of a class type. - A variable of a primitive data type contains the actual value of the data it represents. A variable of a class type contains a reference to the