[Java] Install Java And Create First Hello World Program (10 Mins Guidelines) [Tutorial 1]

Veröffentlicht am: 22 Oktober 2019
auf dem Kanal: BorderlessTech

|| Remember to turn on subtitles/CC for a better tutorial guides. ||

[0:08] You may need jre (Java Runtime Environment) to be installed on your pc and jdk (Java Development Kit) to have Java development for this tutorial.
[0:10] Start tutorial.
[0:16] We will now get and install the jre first. Open google.com, key in "java download".
[0:25] Select "Download Free Java Software" (https://java.com/en/download/).
[0:36] Click on "Java Download".
[0:39] Click on "Agree and Start Free Download".
[0:45] Open downloaded JavaSetup8u221.exe (Depends on what version you downloaded).
[1:02] Then select "Install".
[1:42] Completed.
[1:55] Now we install jdk.
[2:00] Search for "java jdk download free".
[2:08] Select "Java Development Kit (64-Bit) - Free download and software... " (https://download.cnet.com/Java-Develo....
[2:18] Click on "DOWNLOAD NOW".
[3:14] Open downloaded jdk-12_windows-x...exe (Depends on what version you downloaded).
[3:20] Make sure both downloaded jre and jdk versions are compatible.
[3:44] Follow the installation instruction.
[4:21] Read more if you interested.
[4:31] Open command prompt (cmd) to check the installation status.
[4:39] Key in command "java -version" (you will get the jre version if the installation was successful).
[4:55] Then, search for "Edit the system environment variables".
[5:05] Click on "Environment Variables" button.
[5:11] Double click "Path" or click "Edit..".
[5:17] Java environment already set on my pc.
[5:22] If not, insert the Java path(s) to enable us to use the installed Java runtime environment and development kit.
[5:55] Then, move them to the upmost environment variable.
[6:12] Now create a new Text Document at desktop, and name it "HelloWorld" with .java extension (HelloWorld.java).
[6:36] Open it with Notepad or edit with Notepad++.
[6:54] Key in print "Hello World" instruction set.
[8:31] Then, save it.
[8:39] Open command prompt (cmd).
[8:46] Key in "cd desktop" (change directory to desktop).
[8:52] Then key in "javac HelloWorld.java" (Compile the file into .class).
[9:19] Finally, key in "java HelloWorld" to call created program.

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