# Checking the format of an e-mail address

This scenario uses two components, a tLibraryLoad and a tJava. The goal of this scenario is to check the format of an e-mail address and verify whether the format is valid or not.

![](https://help.qlik.com/talend/en-US/components/8.0/Resources/images/Use_Case_tLibraryLoad1.png)

### In this section

* [Setting up the Job](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tlibraryload-tjava-tjava-setting-up-job-standard-component-in?id=2759)
* [Configuring the tLibraryLoad component](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tlibraryload-tjava-tjava-configuring-tlibraryload-component-standard-component-import?id=2760)
* [Configuring the tJava component](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tlibraryload-tjava-tjava-configuring-tjava-component-standard-component?id=2761)
* [Job execution](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tlibraryload-tjava-tjava-job-execution-standard-component-press-f6?id=2762)

**Related concepts**

* [tLibraryLoad](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tlibraryload "Loads useable Java libraries in a Job.")

**Related information**

* [tJava](https://help.qlik.com/talend/en-US/components/8.0/java-custom-code/tjava)