How to Install Java In Kali Linux?

7 minutes read

To install Java in Kali Linux, you can follow these steps:

  1. Open the Terminal by clicking on the Terminal icon in the upper left corner of the screen or using the shortcut Ctrl+Alt+T.
  2. Update the package repository by running the command: sudo apt update
  3. Install the default Java Development Kit (JDK) package by running the command: sudo apt install default-jdk
  4. During the installation process, you may be prompted to confirm the installation and enter your password. You can type 'Y' and press Enter to proceed.
  5. You can verify if Java has been installed successfully by running the following command: java -version
  6. If Java is installed correctly, you should see the version information of the installed JDK.


That's it! Java should now be installed on your Kali Linux system. You can use Java to run Java applications, compile programs using the Java compiler (javac), and more.

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Is the installation process the same for all versions of Kali Linux?

The installation process for Kali Linux is mostly the same across different versions, but there could be minor differences or updates between versions. It is always recommended to refer to the official documentation or release notes provided by the Kali Linux project to ensure accurate installation instructions for the specific version you are installing.


What version of Java should you install in Kali Linux?

As of October 2021, Kali Linux provides OpenJDK 11 (LTS) by default. However, you can also install other versions of Java if needed.


Is it necessary to set environment variables after installing Java in Kali Linux?

No, it is not necessary to set environment variables after installing Java in Kali Linux. However, setting environment variables can be helpful if you want to have easy access to the Java executable and libraries from anywhere in the terminal.


Setting environment variables allows you to run Java commands and programs without specifying the full path to the Java installation directory. It can make your development workflow more convenient.


To set environment variables for Java, you can edit the .bashrc file (or the appropriate shell configuration file) and add the following lines:

1
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export JAVA_HOME=/path/to/java
export PATH=$JAVA_HOME/bin:$PATH


Replace /path/to/java with the actual path to your Java installation directory.


After saving the .bashrc file, you can either restart your terminal or run the command source ~/.bashrc to apply the changes.

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