--Java is a type of programming language, and object-oriented programming has been introduced as a major paradigm. --The Java language was developed with the aim of solving the portability problems of conventional software and realizing an ideal cross-platform program that does not depend on a specific environment.
The preparation required to learn Java is
--Java environment → JDK (Java SE Development Kit), system environment variables, command prompt, etc.
--Editor → Notepad, TextEdit, Sakura Editor, Atom, etc.
After preparing the above, write Java code in the editor, compile it at the command prompt, and develop it.


jdk-14.0.1_windows-x64_bin.exe.

jdk-14.0.1_windows-x64_bin.exe.

Next.

Next.

Close after the installation is complete.

Settings.

system environment variable and click Edit system environment variable.

Environment Variables.

New in thesystem environment variable.

JAVA_HOME in variable name.

C: \ Program Files \ Java \ jdk-14.0.1 exists.

C: \ Program Files \ Java \ jdk-14.0.1 as the variable value.

JAVA_HOME has been created.

Path of thesystem environment variableand click Edit.

New in Edit Environment Variable Name.

% JAVA_HOME% \ bin.

% JAVA_HOME% \ bin and click ʻOK`.



cmd in the search box to launch Command Prompt.

javac -version and if javac 14.0.1 is displayed, it is successful.-[Latest] How to build Java environment on Ubuntu
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