September 24, 1997

When you create an object in Java, such as in the following code: Button b = new Button(); Java creates a new Button object in memory and sets the value

It is important for developers to test code that they write to insurethat they are meeting the specifications for their application. Oftentest code is built in a separate program which

Some applications must keep small amounts of information between thetimes they are run. For example a personal calendar or personalinformation system, will store information after each session. Insteadof using a

The Java compiler will optimize your application by removing code thatcan never be executed. If you include a class in your application suchas the following: public class Debug{ public static

Instead of exposing fields of a Java class, such as in thiscode: public class Person{ public String firstName; public String lastName;} use private fields and provide access to the information