what is "self-contained functional software unit " mean in the following?
J2EE applications are made up of components. A J2EE component is a self-contained
functional software unit that is assembled into a J2EE application with its
related classes and files and that communicates with other components.
Working with files is a moderately common task in Java. For most projects hard coding the file names, using parameters in configuration files, or using command-line arguments is sufficient.
However, when your application has vi…
Viewers will learn about the different types of variables in Java and how to declare them.
Decide the type of variable desired:
Put the keyword corresponding to the type of variable in front of the variable name:
Use the equal sign to assign a v…