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Trail: Java Naming and Directory Interface(TM).
Lesson: Software Setup
Software Setup
LDAP Setup
Java Application Setup
Home Page > Java Naming and Directory Interface(TM). > Software Setup
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Java Application Setup

> To use the JNDI in your program, you need to set up its compilation and execution environments.

> #### Importing the JNDI Classes

> Following are the JNDI packages:
> - `javax.naming`
> - `javax.naming.directory`
> - `javax.naming.event`
> - `javax.naming.ldap`
> - `javax.naming.spi`

> The examples in this trail use classes and interfaces from the first two packages. You need to import these two packages into your program or import individual classes and interfaces that you use. The following two lines import all of the classes and interfaces from the two packages `javax.naming` and `javax.naming.directory`.

> >     import javax.naming.*;
> >     import javax.naming.directory.*;

> #### Compilation Environment

> To compile a program that uses the JNDI, you need access to the JNDI classes. The Java SE 6 already include the JNDI classes, so if you are using it you need not take further actions.

> If you are using an older version- Java 2 SDK v1.2 or earlier, please refer to the main JNDI Tutorial for instructions on how to setup the compilation environment.

> #### Execution Environment

> To run a program that uses the JNDI, you need access to the JNDI classes and classes for any service providers that the program uses. The Java Runtime Environment (JRE) 6 already includes the JNDI classes and service providers for LDAP, COS naming, the RMI registry and the DNS .

> If you are using some other service providers, then you need to download and install their archive files in the JAVA_HOME`/jre/lib/ext` directory, where JAVA_HOME is the directory that contains the JRE. The JNDI Web site lists some service providers. You may download these providers or use providers from other vendors.

> If you are using an older version- JRE v1.2 or earlier, please refer to the main JNDI Tutorial for instructions on how to setup the runtime environment.

> For using the examples in this trail, you'll need the LDAP service provider.

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