{"id":19,"date":"2026-10-08T15:51:12","date_gmt":"2026-10-08T15:51:12","guid":{"rendered":"https:\/\/boot-code.com\/?p=19"},"modified":"2026-10-08T15:51:13","modified_gmt":"2026-10-08T15:51:13","slug":"java-enviroment-setup-in-ubuntu","status":"publish","type":"post","link":"https:\/\/boot-code.com\/?p=19","title":{"rendered":"Java Enviroment Setup In Ubuntu"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Below is a complete step-by-step guide to install <strong>Git, Java (JDK), and Maven on Ubuntu<\/strong> and verify that everything is working.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Update Ubuntu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Open Terminal:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt update\nsudo apt upgrade -y<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. Install Git<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install git -y<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Verify:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git --version<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You should see something similar to:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git version 2.x.x<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Configure Git:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git config --global user.name \"Your Name\"\ngit config --global user.email \"your@email.com\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Check configuration:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git config --global --list<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Install Java JDK<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For modern Java development, install OpenJDK:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install openjdk-21-jdk -y<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Verify Java:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java -version<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Also verify the compiler:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>javac -version<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You should see something like:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>openjdk version \"21.x.x\"\njavac 21.x.x<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Check where Java is installed:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>which java<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">and:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>readlink -f $(which java)<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Set <code>JAVA_HOME<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Find the Java installation:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dirname $(dirname $(readlink -f $(which java)))<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/usr\/lib\/jvm\/java-21-openjdk-amd64<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Add <code>JAVA_HOME<\/code> to your shell configuration:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nano ~\/.bashrc<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Add at the bottom:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>export JAVA_HOME=\/usr\/lib\/jvm\/java-21-openjdk-amd64\nexport PATH=$JAVA_HOME\/bin:$PATH<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Save with:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ctrl + O \u2192 Enter \u2192 Ctrl + X<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then reload:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>source ~\/.bashrc<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Verify:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo $JAVA_HOME<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You should get:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/usr\/lib\/jvm\/java-21-openjdk-amd64<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Install Maven<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install maven -y<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Verify:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mvn -version<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You should see something similar to:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Apache Maven 3.x.x\nMaven home: \/usr\/share\/maven\nJava version: 21.x.x\nJava home: \/usr\/lib\/jvm\/java-21-openjdk-amd64<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">The important part is that Maven reports the Java version and Java home correctly.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. Verify the complete setup<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Run:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git --version\njava -version\njavac -version\nmvn -version<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Your Ubuntu development environment is now ready:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Git\n \u2193\nJava JDK\n \u2193\nMaven\n \u2193\nJava Project<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">7. Test Maven with a Java project<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Create a project:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkdir ~\/java-project\ncd ~\/java-project<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Generate a Maven project:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mvn archetype:generate \\\n  -DgroupId=com.example \\\n  -DartifactId=hello-world \\\n  -DarchetypeArtifactId=maven-archetype-quickstart \\\n  -DarchetypeVersion=1.5 \\\n  -DinteractiveMode=false<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Enter the project:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd hello-world<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Build it:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mvn clean package<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">If successful, you&#8217;ll see:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BUILD SUCCESS<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Run the generated Java program:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java -cp target\/hello-world-1.0-SNAPSHOT.jar com.example.App<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">You should get:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Hello World!<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">8. Optional: initialize Git<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Inside your project:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git init<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Check status:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git status<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Create the first commit:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>git add .\ngit commit -m \"Initial commit\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">At this point you have a complete <strong>Git + Java + Maven development environment on Ubuntu<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Below is a complete step-by-step guide to install Git, Java (JDK), and Maven on Ubuntu and verify that everything is working. 1. Update Ubuntu Open Terminal: 2. Install Git Verify: You should see something similar to: Configure Git: Check configuration:&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,9,8],"tags":[11,22,12],"class_list":["post-19","post","type-post","status-publish","format-standard","hentry","category-java","category-linux","category-maven","tag-java","tag-linux","tag-maven"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Below is a complete step-by-step guide to install Git, Java (JDK), and Maven on Ubuntu and verify that everything is working. 1. 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Install Git sudo apt install git -y Verify: git --version You should see something similar to: git version 2.x.x Configure Git:"},"aioseo_meta_data":{"post_id":"19","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_image_url":null,"og_image_width":null,"og_image_height":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_image_url":null,"twitter_title":null,"twitter_description":null,"schema_type":"default","schema_type_options":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"breadcrumb_settings":null,"seo_analyzer_scan_date":null,"created":"2026-10-08 15:51:13","updated":"2026-10-08 16:46:50"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/boot-code.com\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/boot-code.com\/?cat=3\" title=\"JAVA\">JAVA<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tJava Enviroment Setup In Ubuntu\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/boot-code.com\/"},{"label":"JAVA","link":"https:\/\/boot-code.com\/?cat=3"},{"label":"Java Enviroment Setup In Ubuntu","link":"https:\/\/boot-code.com\/?p=19"}],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/posts\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boot-code.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19"}],"version-history":[{"count":1,"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/posts\/19\/revisions"}],"predecessor-version":[{"id":20,"href":"https:\/\/boot-code.com\/index.php?rest_route=\/wp\/v2\/posts\/19\/revisions\/20"}],"wp:attachment":[{"href":"https:\/\/boot-code.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boot-code.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boot-code.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}