How to install and configure Java JDK 21 on Ubuntu 22.04 LTS | install java jdk 21 on Ubuntu Linux

#javajdk #java21 #javajdk21 #javainstall #javaonUbuntu
In this video, we have shown How to install and configure Java JDK 21 on Ubuntu 20.04/22.04 LTS step by step.

Link to download Java jdk
Command to download java jdk deb package

Sample Java code:
class r2schools{
public static void main(String args[]){
}
}

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[mahamatissaahmat]

Merci beaucoup pour ce tuto, vous êtes le meilleur.

[Sharpftw]

help pls:
sudo dpkg -i jdk-21_linux-x64_bin.deb


dpkg: error processing archive jdk-21_linux-x64_bin.deb (--install):
package architecture (amd64) does not match system (arm64)
Errors were encountered while processing:
jdk-21_linux-x64_bin.deb

[andreimuster]

After installation the version is still 20.0.2. Why?

Hallo has been compiled by a more recent version of the Java Runtime (class file version 65.0), this version of the Java Runtime only recognizes class file versions up to 64.0

[abdulghaffar]

Like in c++ we write g++ -o a filename.cpp to compile but in java what we have to write?