# Java custom code scenarios

* [https://help.talend.com/r/en-US/7.3/java-custom-code/](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/)
* [Checking the format of an e-mail address](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tlibraryload-tjava-tjava-checking-format-of-e-mail-address-standard-component-this)
* [Generating data flow](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjavaflex-tlogrow-generating-data-flow-standard-component-this)
* [Printing out a variable content](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjava-tfileinputdelimited-tfileoutputexcel-tfileoutputexcel-printing-out-variable-content-standard-component-the)
* [Processing rows of data with tJavaFlex](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjavaflex-trowgenerator-processing-rows-of-data-with-tjavaflex-standard-component-this)
* [Redirecting the standard output to a file for the entire Job](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjava-tfixedflowinput-tfileoutputdelimited-tlogrow-redirecting-standard-output-to-file-for-entire-job-standard-component)
* [Transforming data line by line using tJavaRow](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjavarow-tfileinputdelimited-transforming-data-line-by-line-using-tjavarow-standard-component-in-this)
* [Using tJavaFlex to display file content based on a dynamic schema](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjavaflex-tfileinputdelimited-tfileoutputdelimited-tfileoutputdelimited-using-tjavaflex-to-display-file-content-based-on-dynamic-schema-standard-component-enterprise-this)
* [Using tJavaRow to handle file content based on a dynamic schema](https://help.qlik.com/talend/r/en-US/7.3/components/java-custom-code/tjavarow-tfileinputdelimited-tfileoutputdelimited-tfileoutputdelimited-using-tjavarow-to-handle-file-content-based-on-dynamic-schema-standard-component-enterprise-this)