Java, A Beginner's Guide, 5th Edition, 5th Edition

Parameterized Constructors

In the preceding example, a parameter-less constructor was used. Although this is fine for some situations, most often you will need a constructor that accepts one or more parameters. Parameters are added to a constructor in the same way that they are added to a method: just declare them inside the parentheses after the constructor’s name. For example, here, MyClass is given a parameterized constructor:

The output from this program is shown here:

In this version of the program, the MyClass( ) constructor defines one parameter ...