Package In Java
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Package In Java
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A java package is a group of similar types of classes interfaces and sub packages Package in java can be categorized in two form built in package and user defined package There are many built in packages such as java lang awt javax swing net io util sql etc Here we will have the detailed learning of creating and using user defined Java Package. A package is simply a container that groups related types (Java classes, interfaces, enumerations, and annotations). For example, in core Java, the ResultSet interface belongs to the java.sql package. The package contains all the related types that are needed for the SQL query and database connection.
Package In JavaCreating and Using Packages. To make types easier to find and use, to avoid naming conflicts, and to control access, programmers bundle groups of related types into packages. Definition: A package is a grouping of related types providing access protection and name space management. A package in Java is used to group related classes Think of it as a folder in a file directory We use packages to avoid name conflicts and to write a better maintainable code Packages are divided into two categories Built in Packages packages from the Java API User defined Packages create your own packages Built in Packages