The latest articles on DEV Community by Monirul (@m07sk). https://dev.to/m07sk https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3072949%2F0901e1a7-e44a-4d7e-9f91-1d3daa8f7063.png https://dev.to/m07sk en Monirul Mon, 21 Apr 2025 22:48:45 +0000 https://dev.to/m07sk/jenv-managing-multiple-jdk-environments-5d7 https://dev.to/m07sk/jenv-managing-multiple-jdk-environments-5d7 <p>Most of us have used <code>nvm</code> for managing multiple versions of nodes. In java based developments, we also find the necessity of same kind of tools. Here comes 'jenv' to facilitates that.</p> <p><strong>How to install</strong><br> on Mac,<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>brew install jenv </code></pre> </div> <p>check whether installation is successful<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code> jenv --version </code></pre> </div> <p>Then install multiple version of jdk , e.g. JDK8, JDK11 or JDK17 etc.( if not already installed)</p> <p>add the jdk installed path to <code>jenv</code><br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>jenv add {path-to-jdk-folder-to jdk-8}/Contents/Home </code></pre> </div> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>jenv add /opt/homebrew/opt/openjdk@17 </code></pre> </div> <p>To list down available jdk versions to switch between<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>jenv versions </code></pre> </div> <p>To set a jdk version in the env<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>jenv global 17 or jenv global 8 </code></pre> </div> <p>or locally within that project<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>jenv local 17 or jenv local 8 </code></pre> </div> <p>Also, if there are issues.<br> check</p> <ol> <li>jdk path / installations</li> <li>~/.zshrc file, whether .jenv is in the path </li> </ol> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>export PATH="$HOME/.jenv/bin:$PATH" eval "$(jenv init -)" </code></pre> </div> <ol> <li>Also, rehash using <code>jenv rehash</code> </li> </ol> java programming