Java with an IDE (Integrated Development Environment). There are several popular IDEs for developing Java applications. Here’s an overview of some of the most common ones:

1. Eclipse:

   • One of the most popular open-source IDEs for Java development.
   • Features a wide array of plugins and extensions.
   • Known for its flexibility and community support.

2. IntelliJ IDEA:

   • Created by JetBrains, IntelliJ IDEA is a powerful IDE for Java development, offering both free (Community) and paid (Ultimate) versions.
   • It offers robust code analysis, intelligent code completion, and a wide array of plugins.
   • IntelliJ is renowned for its ease of use and efficiency in handling large codebases.

3. NetBeans:

   • Also open source, NetBeans is user-friendly and offers powerful tools for Java development.
   • Supports various other languages like C/C++, PHP, HTML5, and JavaScript.
   • Provides visual GUI design for building Java applications.

4. Visual Studio Code:

   • A lightweight, free, and open-source code editor developed by Microsoft.
   • With the right extensions, Visual Studio Code can be used for Java development, offering code completion, debugging, and other helpful tools.
   • Great for those who prefer a more minimalistic approach without the overhead of a full-fledged IDE.

5. JDeveloper:

   • Developed by Oracle, JDeveloper offers comprehensive features for Java development.
   • Includes visual designers, integrated version control, and other enterprise-level features.
   • Particularly well-suited for Oracle-based development.

6. BlueJ:

   • Aimed at beginners, especially those learning Object-Oriented Programming (OOP) with Java.
   • Simplified interface and visualization tools to help understand class structures and relationships.

How to Get Started:

1. Choose an IDE: Decide on the IDE that best suits your needs, preferences, and the nature of your project.

2. Download and Install: Visit the official website of the chosen IDE to download and install the software.

3. Create a New Project: Once installed, open the IDE and create a new Java project. Follow the instructions and wizards specific to the chosen IDE.

4. Write and Run Code: Use the features of the IDE to write, debug, test, and run your Java code.

5. Explore Additional Features: Many IDEs offer additional tools for version control, collaboration, dependency management, etc. Explore these as your project grows in complexity.

Using an IDE can significantly enhance your productivity by providing an integrated environment with tools for writing, debugging, testing, and managing your Java code. The choice of IDE will depend on your preferences, the size and nature of your project, and whether you need specific features or integrations.