While social media websites such Facebook and LinkedIn made it incredibly easy for a user to upload image files, the back-end implementation of such a feature has been anything but easy. Prior to the ...

In this example, we will compare the built-in, multipart form handling capabilities of the standard Jakarta Servlet API with the facilities provided through the Apache Commons FileUpload library.

Mastering Java: A Comprehensive Guide from Basics to Advanced Concepts This repository contains a collection of Java code examples covering a wide range of concepts, from basic to advanced. The goal ...

Create a new text file, called Intro.java and place it somewhere on your computer, like in your documents folder. Next, add the code from Listing 1, which is a very simple Java program.

Save the file, then create another file named "checkserv.jsp". Create a basic servlet class on your Java server in the file, including the class name "CheckServlet" and the necessary "doGet ...

lessThanFive (int number) - Given a number, return true if the number is less than 5, false otherwise. getAgeGroup (int age) - Given an age, return the age group based on the following criteria: 0-12: ...

For purposes of this post, I will be creating all files in the temporary directory defined by java.io.tmpdir and will use the new Java 7 class Files with its createTempFile methods to create those ...