Java Jdk Download Linux 64-bit

# How to Download and Install Java JDK on Linux 64-bit

If you are a developer who wants to use Java on your Linux 64-bit system, you will need to download and install the Java Development Kit (JDK). The JDK is a software package that contains the tools and libraries needed to compile, run, and debug Java applications. In this article, we will show you how to download and install the latest version of the JDK on Linux 64-bit.

## Step 1: Check if Java is already installed

Before you download and install the JDK, you may want to check if you already have Java installed on your system. To do this, open a terminal and type the following command:

```bash

java -version

```

If you see a message like this, it means you have Java installed:

```bash

java version \"17.0.1\" 2021-10-19 LTS

Java(TM) SE Runtime Environment (build 17.0.1+12-LTS-39)

Java HotSpot(TM) 64-Bit Server VM (build 17.0.1+12-LTS-39, mixed mode, sharing)

```

If you see a message like this, it means you do not have Java installed or it is not in your path:

```bash

Command 'java' not found, but can be installed with:

sudo apt install default-jre

sudo apt install openjdk-11-jre-headless

sudo apt install openjdk-16-jre-headless

sudo apt install openjdk-17-jre-headless

sudo apt install openjdk-8-jre-headless

```

## Step 2: Download the JDK

To download the JDK, you will need to visit the official Oracle website and choose the appropriate version for your system. For Linux 64-bit, you can choose either the RPM or the tar.gz file format. For this tutorial, we will use the tar.gz file format.

To download the JDK, go to https://www.oracle.com/java/technologies/downloads/ and click on the \"JDK Download\" button under the \"Java SE 17 LTS\" section. You will be redirected to a page where you can accept the license agreement and choose the file to download. Look for the file that says \"Linux x64 Compressed Archive\" and click on it. You may need to sign in with an Oracle account or create one if you do not have one.

The file name should look something like this: `jdk-17_linux-x64_bin.tar.gz`. Save it to a location of your choice on your system.

## Step 3: Install the JDK

To install the JDK, you will need to extract the downloaded file and move it to a suitable location on your system. To do this, follow these steps:

- Open a terminal and navigate to the directory where you saved the downloaded file.

- Extract the file using the following command:

```bash

tar -xvf jdk-17_linux-x64_bin.tar.gz

```

This will create a folder named `jdk-17` in the same directory.

- Move the folder to a suitable location on your system, such as `/usr/local/java`. You may need to use sudo privileges for this step. For example:

```bash

sudo mv jdk-17 /usr/local/java

```

## Step 4: Set up the environment variables

To use the JDK, you will need to set up some environment variables that point to its location and add it to your path. To do this, follow these steps:

- Open a terminal and edit your `.bashrc` file using your preferred text editor. For example:

```bash

nano /.bashrc

```

- At the end of the file, add these lines:

```bash

export JAVA_HOME=/usr/local/java/jdk-17

export PATH=$PATH:$JAVA_HOME/bin

```

These lines will set the `JAVA_HOME` variable to point to the JDK installation directory and add it to your `PATH` variable so that you can run Java commands from anywhere.

- Save and close the file.

- Reload your `.bashrc` file using this command:

```bash

source /.bashrc

```

## Step 5: Verify the installation

To verify that you have successfully installed the JDK, open a terminal and type the following command:

```bash

java -version

```

You should see a message similar to this:

```bash

java version \"17.0.1\" 2021-10-19 LTS

Java(TM) SE Runtime Environment (build 17.0.1+12-LTS-39)

Java HotSpot(TM)

java jdk download linux 64-bit

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