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About Java


How to Download JDK

jdk download

JDK is required to manage Java programs properly. You must download this software to download JDK on your computer. Like other software downloads, we select a browser of our choice to download JDK. I'm selecting Google Chrome here. But do you have JDK installed on your computer? If you want to know about that subject. Open a command prompt and type that.

  C:\Users\Your Name>java -version

If you have JDK installed on your computer, you will see this.

  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 do not see it here, you must download and install JDK. Click here to download it for free. You can also search the browser of your choice to download JDK. download JDK.

jdk download

Click on the first link. Will take you to a website.

jdk download

If you scroll a little after coming to this page, you will see that. Here it is for three types of operating systems. Download JDK for the type of operating system you are using. I am using Windows operating system so I am downloading JDK used for Windows operating system.

jdk download

When the download is complete, double-click on the file. One such popup will open. If you want to install then click on the Next button.

jdk download

Here we want to know in which directory you want to install JDK. You can change the directory from here if you want. I don't want to change any directories. So I'm pressing the Next button.

jdk download

Once the JDK is fully installed, such a popup will open. We click the Close button here. Now we need to open the command prompt again and you can check as before. Type to check. Such as: -

  C:\Users\Your Name>java -version

If installed correctly, it will appear at your command prompt. If you can see that JDK is installed.

  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)

And if that doesn't happen.

jdk download

Press the right mouse button on this Pc on the desktop skin of your computer. Press the left mouse button in the Properties option at the very end here. Now a new window will open. Such as: -

jdk download

After Windows comes, you can make a click with the left mouse button on Advanced system settings. Then another window will open.

jdk download

From this Windows, press the left button on the Environment Variables mouse. Then another window will open.

jdk download

After opening this popup window, you must select Path of System variables. Below this, there is an Edit button. Click there. Then another popup will come to Windows.

jdk download

You need to give a Path after this window comes. You have to press New to give this Path. You need to collect this Path from the computer (c: \) drive. Such as: -

jdk download

Copy the path that is here.

jdk download

Paste the copied path here and finally press the Ok button. Also, press the Ok button on all popup windows. Now you open a command prompt and type.

  C:\Users\Your Name>java -version

Now you must see such windows.

  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)

I am using version 17.0.1 here. If you have used another version, you will see that version. However, we will use the Intellij IDEA to learn Java programs. Learn about Intellij Idea Click here



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Hamidur Rahman Repon

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