Setting the environment variables for JAVA_HOME, NODEJS

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Setting up environment variables like JAVA_HOME and NODEJS is a key step in configuring your development environment properly. Here's how you can do it for Windows, Linux, and macOS:

? For Windows (10/11)

✅ Steps to Set `JAVA_HOME` and `NODEJS`:

Find the installation paths:
- Java: Usually something like C:\Program Files\Java\jdk-XX
- Node.js: Something like C:\Program Files\nodejs
Set Environment Variables:
- Press Win + S, type Environment Variables, and open it.
- Click Environment Variables…
- Under System variables, click New:
  - Name: JAVA_HOME
  - Value: path to your JDK folder (e.g., C:\Program Files\Java\jdk-17)
- Add another variable for Node.js if needed:
  - Name: NODEJS
  - Value: C:\Program Files\nodejs
  - Update the Path variable:
    - Select the Path variable under System variables → Click Edit.
    - Click New and add:
      - %JAVA_HOME%\bin
      - %NODEJS%
  - Apply and Restart Terminal:
    - Open a new Command Prompt or PowerShell window.
    - Check with:
```
echo %JAVA_HOME%
java -version
node -v
```

? For Linux/macOS (Bash or Zsh)

Open your shell profile:

For Bash: nano ~/.bashrc or ~/.bash_profile
For Zsh: nano ~/.zshrc

Add the following lines:

# Java
export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
export PATH=$JAVA_HOME/bin:$PATH

# Node.js
export NODEJS=/usr/local/bin/node
export PATH=$NODEJS:$PATH

? Adjust the paths according to where Java and Node.js are installed.

Then apply changes:

source ~/.bashrc  # or source ~/.zshrc

Verify:

echo $JAVA_HOME
java -version
node -v

? For Windows (10/11)

✅ Steps to Set JAVA_HOME and NODEJS:

? For Linux/macOS (Bash or Zsh)

Open your shell profile:

Add the following lines:

Then apply changes:

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✅ Steps to Set `JAVA_HOME` and `NODEJS`: