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Choosing the Best Templating Engine for Your Java Project: FreeMarker, Thymeleaf, or Velocity?

Comparing FreeMarker, Thymeleaf, and Velocity

Introduction to Templating Engines

Templating engines are powerful tools that allow developers to separate the presentation logic from the business logic in web applications. They provide a way to define dynamic templates that can be rendered with data to produce HTML output.

Framework Language Popularity Features
FreeMarker Java Popular Robust, flexible, and widely used in Java projects.
Thymeleaf Java Very popular Seamless integration with Spring, excellent support for HTML5, and natural templates.
Velocity Java Less popular Lightweight, simple, and easy to learn.

Code Examples

FreeMarker Table Example:


<table>
  <tr>
    <th>Name</th>
    <th>Age</th>
  </tr>
  <#list users as user>
    <tr>
      <td>${user.name}</td>
      <td>${user.age}</td>
    </tr>
  </#list>
</table>

Thymeleaf Table Example:


<table>
  <thead>
    <tr>
      <th>Name</th>
      <th>Age</th>
    </tr>
  </thead>
  <tbody>
    <tr th:each="user : ${users}">
      <td th:text="${user.name}"></td>
      <td th:text="${user.age}"></td>
    </tr>
  </tbody>
</table>

Velocity Table Example:


<table>
  <tr>
    <th>Name</th>
    <th>Age</th>
  </tr>
  #foreach($user in $users)
    <tr>
      <td>$user.name</td>
      <td>$user.age</td>
    </tr>
  #end
</table>

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