To install the Java Development Kit (JDK) on Kali Linux, you can use the following steps.

Update Package List

sudo apt update -y

Install OpenJDK

Kali Linux usually comes with OpenJDK available in its repositories. You can install it using the following commands.

Install default version:

sudo apt install default-jdk -y

Install specific version:

# Available versions
sudo apt-cache search openjdk

# Search for specific version
sudo apt-cache search openjdk | grep 21

# Install
sudo apt install openjdk-11-jdk -y # version 11
sudo apt install openjdk-17-jdk -y # version 17
sudo apt install openjdk-21-jdk -y # version 21

Verify Installation

You can verify that Java has been installed by checking the version:

java -version

Additionally, you may want to check the Java Compiler version:

javac -version

If the installation was successful, you should see information about the installed Java version.