.

In respect to this, can packages have interfaces?

Interfaces must have either public or package protection, just like classes. Interfaces, like classes, can belong to a package by adding a package statement to the first line of the class file. Interfaces can also import other interfaces and classes from other packages, just as classes can.

Also, what is the difference between package and class in Java? In Java, packages are used to organize classes belonging to the same functionality and Java packages can be stored in compressed file called JAR files. Class is an entity that determines how an object will behave and what the object will contain. Package is a collection of classes and class is a collection of objects.

Then, wHAT IS interface and package in Java?

There is no concept of multiple-inheritance in Java, but, Interfaces in Java are, for the most part, unique to the language, play a role similar to that of multiple-inheritance. Another unique feature in Java is Packages. Packages are containers for classes that are used to keep the class name space compartmentalized.

How do you define a package in Java?

Creating a package in Java is a very easy task. Choose a name for the package and include a package command as the first statement in the Java source file. The java source file can contain the classes, interfaces, enumerations, and annotation types that you want to include in the package.