Learn Java with Free Lessons & Tips

1. Create a directory structure under Tomcat for your application.
2. Write the servlet source code. You need to import the javax. servlet package and the javax. servlet. ...
3. Compile your source code.
4. Create a deployment descriptor.
5. Run Tomcat.
6. Call your servlet from a web browser

The Java file upload Servlet will contain a doPost method to handle the form submission. In this doPost method, the uploaded file will process in parts. After the file uploads, the Java Servlet saves each part to a like-named file in the C:\upload\ folder on the server's file system

A ServletResponse object is created by the servlet container and passed as an argument to the servlet's service function. Use the ServletOutputStream supplied by getOutputStream to deliver binary data in a MIME body response (). Use the PrintWriter object given by getWriter to deliver character data ().