Tag Archives: What is package and what are the advantage?

What is package and what is the advantage? It is an encapsulation mechanism to group related classes and interface into a single unit, which is nothing but packages. Packages are named in reverse order of domain names, i.e., com.java4us.packageprogram.A Java package is a group of similar types of classes, interfaces, and sub-packages. There are many built-in packages such as Java.lang, awt, javax, ...

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