javac has a number of associated options: we will cover just a few.
-d destination
This sets the destination directory for the resulting class file. The default is to place the class
file in the same directory as the source file.
-verbose
This outputs details about each class loaded and each source file compiled.
j avac, as well as java, also have a classpath option. We will discuss this option in Chapter 5
after we have covered packages.
1.2.2 java
The java interpreter runs Java applications. It loads the application's class file and invokes the
specified class's main method, which must be public, void, and ...
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