A package in Java is used to group the related classes. Think of it as the folder in the file directory. To create a package is quite straightforward: include a package command as the first statement in a Java source file. The package statement defines a namespace in which classes are stored. If you omit the package statement, the class names are put into the default package, which has no name. While the default package is excellent for short, sample programs, it is inadequate for real applications.  Object class in a superior class of all classes in Java.

Java Packages example

Creating a package is kind of straightforward in java: merely embody the package command and therefore the name of the package because of the initial statement in an exceeding java supply file.

The package statement defines a reputation area during which categories square measure hold on. Any categories declared when the package statement could belong to its given package.

The general syntax of the package statement.

Java uses file system directories to store packages. For example, .class files for any classes you declare is being part of MyPackage must be stored in a directory called MyPackage.

Remember that the case is significant, and the directory name must match the package name exactly. More than one file can include the same package statement.

#java #java packages #mypackage