Checking Java Version in IntelliJ: A Step-by-Step Guide

Java is a popular programming language that has been widely used for developing various applications. It is highly versatile and can run on different platforms such as Windows, Mac, and Linux. One of the popular Java development environments is IntelliJ IDEA. IntelliJ IDEA is an integrated development environment (IDE) used in computer programming, specifically for the Java language. In this article, we will go through a step-by-step guide on how to check the Java version in IntelliJ IDEA.

Table of Contents

Why Check the Java Version in IntelliJ IDEA?

Before we delve into the steps on how to check the Java version in IntelliJ IDEA, it’s essential to understand the importance of verifying the version. When developing Java applications, different versions of the language may have different functionalities and features. Therefore, it’s essential to ensure that the version you are using is compatible with the application you are developing.

Moreover, some plugins and libraries may require specific Java versions to work correctly. Therefore, it’s vital to verify the Java version you are using in IntelliJ IDEA.

Checking Java Version in IntelliJ IDEA

IntelliJ IDEA provides different ways to check the Java version, as shown below:

Using the Project SDK

The Project SDK is the Java Development Kit (JDK) that IntelliJ IDEA uses to compile and run your Java applications. Therefore, checking the Project SDK will also help verify the Java version in IntelliJ IDEA. The following are the steps to check the Java version using the Project SDK:

  1. Open IntelliJ IDEA and navigate to your project.
  2. Click on "File" in the top menu bar, and then click on "Project Structure."
  3. In the "Project Structure" window, click on "Project" on the left-hand side.
  4. Under the Project SDK section, you will see the Java version being used.

Using the Java Compiler

IntelliJ IDEA also provides an option to check the Java version used by the Java Compiler. The Java Compiler is responsible for converting your Java source code into bytecode that can be executed on a Java Virtual Machine (JVM). The following are the steps to check the Java version using the Java Compiler:

  1. Open IntelliJ IDEA and navigate to your project.
  2. Click on "File" in the top menu bar, and then click on "Settings."
  3. In the "Settings" window, click on "Build, Execution, Deployment" on the left-hand side.
  4. Under "Build, Execution, Deployment," click on "Compiler."
  5. In the Compiler section, you will see the Java version being used under the "Java Compiler" tab.

Using the Terminal

Another way to check the Java version in IntelliJ IDEA is by using the terminal. The terminal is a command-line interface that allows you to execute commands directly on your computer. The following are the steps to check the Java version using the terminal:

  1. Open IntelliJ IDEA and navigate to your project.
  2. Click on "View" in the top menu bar, and then click on "Tool Windows."
  3. In the Tool Windows section, click on "Terminal."
  4. In the terminal, type "java -version" and press enter.
  5. The Java version being used will be displayed in the terminal.

Conclusion

In conclusion, verifying the Java version in IntelliJ IDEA is essential to ensuring that the Java application you are developing is compatible with the Java version you are using. IntelliJ IDEA provides various options to check the Java version, such as using the Project SDK, Java Compiler, and the terminal. By following the steps provided in this guide, you can easily check the Java version being used in IntelliJ IDEA.

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