Before we execute our program there is a need to understand the Java development environment
(refer to Figure 2.4).
Step 1: Edit: Edit the source program using any of the editors notepads. For example, our
program will have a main class “HelloWorld”. Hence our Java program should also be
named HelloWorld.java. Remember that we want to use package com.oops.chap1
as explained in Figure 2.8. Hence move to directory C:\Oopsjava\examples\src\com\
oops\chap1
and create the required source file.
cd C:\Oopsjava\examples\src\com\oops\chap1> edit HelloWorld.java
Step 2: Compile: W
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