packages

Two types of packages in Java:

• Built-in packages

• User defined packages

Built-in packages

From the Java JDK , used to write Java applications

Examples:

• java.lang

• java.util

• java.io

• java.net

• java.util.stream

• java.sql

  ...etc.

User defined packages

Packages which are created by user to include different files in application

Why?

• Code Organization

• Access Control

• Preventing Naming Conflicts

  ...etc.