Why Do Packages Start With Com?

3 Answers.

The convention is that a programmer in a given organization will start package names with their organization’s domain name, as a unique identifier — in reverse order.

The brief answer, then, is that most package names start with “com” because most domain names end with “com”.

What is a root package?

The package root directory is the directory on the computer running the App-V Sequencer where files for the sequenced application are installed. This directory also exists virtually on the computer to which a sequenced application will be streamed.

How do you write package names?

In general, a package name begins with the top level domain name of the organization and then the organization’s domain and then any subdomains, listed in reverse order. The organization can then choose a specific name for its package. Package names should be all lowercase characters whenever possible.

Why is Java package in convention?

Naming Conventions

Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their reversed Internet domain name to begin their package names—for example, com. mypackage for a package named mypackage created by a programmer at example.com .

Should package name be singular or plural?

2 Answers. Use the plural for packages with homogeneous contents and the singular for packages with heterogeneous contents. A class is similar to a database relation. A database relation should be named in the singular as its records are considered to be instances of the relation.

What does root mean in coding?

Root. In the computer world, “root” refers to the top-level directory of a file system. The word is derived from a tree root, since it represents the starting point of a hierarchical tree structure.

What is root coding?

Root is a little mobile robot designed to teach kids logic and coding skills. It draws, plays music, lights up, and can drive on metal-backed whiteboards with the help of magnets in its belly.