{"id":9673,"date":"2026-08-10T10:10:09","date_gmt":"2026-08-10T10:10:09","guid":{"rendered":"https:\/\/nokobox.com\/index.php\/item\/udemy-java-se-21-developer-oracle-certified-professional-1z0-830-2025-7\/"},"modified":"2026-08-10T10:10:09","modified_gmt":"2026-08-10T10:10:09","slug":"udemy-java-se-21-developer-oracle-certified-professional-1z0-830-2025-7","status":"publish","type":"digital_item","link":"https:\/\/nokobox.com\/index.php\/item\/udemy-java-se-21-developer-oracle-certified-professional-1z0-830-2025-7\/","title":{"rendered":"Udemy \u2013 Java SE 21 Developer | Oracle Certified Professional 1Z0-830 2025-7"},"content":{"rendered":"<div class=\"w-post-elm post_content\">\n<p>&nbsp;<\/p>\n<h2 dir=\"ltr\">Description<\/h2>\n<p dir=\"ltr\">Java SE 21 Developer | Oracle Certified Professional 1Z0-830 is an Oracle certification exam preparation course published by Udemy Online Academy. Java SE 21 Developer | Oracle Certified Professional 1Z0-830 is a detailed and practical guide for developers preparing for the latest Oracle certification exam. Focusing on the latest features of Java SE 21, this course covers modern programming concepts such as records, pattern matching, virtual strings, advanced switch statements, sealed classes, and string templates. Learners will also strengthen their understanding of core Java principles such as object-oriented programming, exception handling, collections, generics, multithreading, and input\/output operations.<\/p>\n<p dir=\"ltr\">In this course, our goal was to turn you into a Java developer and pass the exam required for the Oracle Certified Professional: Java SE 21 Developer Certification (Exam No. 1Z0-830). This training emphasizes practical coding with real-world examples, helping students master syntax, apply best practices, and write efficient and robust Java programs. Designed for intermediate and advanced Java developers, this course ensures preparation for the 1Z0-830 certification by combining theoretical knowledge with exam-focused practice questions and mock tests.<\/p>\n<h3 dir=\"ltr\">What you will learn in Java SE 21 Developer | Oracle Certified Professional 1Z0-830:<\/h3>\n<ul dir=\"ltr\">\n<li>Java SE 21<\/li>\n<li>Java Basics<\/li>\n<li>What is Java and how does it work<\/li>\n<li>Java Programming Principles<\/li>\n<li>Java Development Kit \u2013 JDK<\/li>\n<li>Java Runtime Environment \u2013 JRE<\/li>\n<li>Java Virtual Machine \u2013 JVM<\/li>\n<li>All Object Oriented Programming Concepts (Core Java Programming)<\/li>\n<li>How to use the \u201cstatic\u201d keyword and \u201cnested and inner\u201d classes.<\/li>\n<li>Superclasses and subclasses<\/li>\n<li>Strings<\/li>\n<li>And \u2026<\/li>\n<\/ul>\n<h3 dir=\"ltr\">Course specifications<\/h3>\n<ul>\n<li>Publisher : <a href=\"https:\/\/href.li\/?https:\/\/www.udemy.com\/course\/java-se-21-developer-oracle-certified-professional-1z0-830\/?couponCode=LEARNNOWPLANS\" target=\"_blank\" rel=\"noopener\">Udemy<\/a><\/li>\n<li>Teacher : <a href=\"https:\/\/downloadlynet.ir\/tag\/oak-academy\">Oak Academy<\/a> , <a href=\"https:\/\/downloadlynet.ir\/tag\/oak-academy-team\">OAK Academy Team<\/a> , <a href=\"https:\/\/downloadlynet.ir\/tag\/mehmet-ongel\">Mehmet \u00d6NGEL<\/a><\/li>\n<li>Language: English<\/li>\n<li>Level : All Levels<\/li>\n<li>Lectures : 193<\/li>\n<li>Duration : 37 hours and 24 minutes<\/li>\n<\/ul>\n<h3 dir=\"ltr\">Course topics<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-994850\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2025\/07\/Java-SE-21-Developer-_-Oracle-Certified-Professional-1Z0-830.c.jpeg\" alt=\"Java SE 21 Developer _ Oracle Certified Professional 1Z0-830\" width=\"705\" height=\"1840\"><\/p>\n<h3 dir=\"ltr\">Java SE 21 Developer | Oracle Certified Professional 1Z0-830 Prerequisites<\/h3>\n<p dir=\"ltr\">No prior knowledge is required about Java 21 and Java SE 21 Developer Certified Professional 1Z0-830 Exam<br \/>Basic Computer Knowledge<br \/>Desire to learn Java and Java Core Skills<br \/>A computer with a 64-bit operating system<br \/>We preferred MacOS (64-bit) but this is not mandatory. You can prefer to use other Operating Systems. We also provided specific videos on installations for each platform<br \/>We preferred IntelliJ which is a powerful and advanced text editor with a lot of plug-ins and tools<br \/>Nothing else! It\u2019s just you, your computer, and your ambition to get started today<\/p>\n<h3 dir=\"ltr\">Pictures<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-994851\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2025\/07\/Java-SE-21-Developer-_-Oracle-Certified-Professional-1Z0-830.d.jpeg\" alt=\"Java SE 21 Developer _ Oracle Certified Professional 1Z0-830\" width=\"705\" height=\"282\"><\/p>\n<h3 dir=\"ltr\">Java SE 21 Developer | Oracle Certified Professional 1Z0-830 introduction video<\/h3>\n<div style=\"width: 640px;\" class=\"wp-video\"><span class=\"mejs-offscreen\">Video Player<\/span><\/p>\n<div id=\"mep_0\" class=\"mejs-container mejs-container-keyboard-inactive wp-video-shortcode mejs-video\" tabindex=\"0\" role=\"application\" aria-label=\"Video Player\" style=\"width: 640px; height: 360px; min-width: 217px;\">\n<div class=\"mejs-inner\">\n<div class=\"mejs-mediaelement\"><mediaelementwrapper id=\"video-161243-1\"><video class=\"wp-video-shortcode\" id=\"video-161243-1_html5\" width=\"640\" height=\"360\" preload=\"metadata\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Java_SE_21_Developer_Oracle_Certified_Professional_1Z0_830_Downloadly.ir.mp4?_=1\" style=\"width: 640px; height: 360px;\"><source type=\"video\/mp4\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Java_SE_21_Developer_Oracle_Certified_Professional_1Z0_830_Downloadly.ir.mp4?_=1\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Java_SE_21_Developer_Oracle_Certified_Professional_1Z0_830_Downloadly.ir.mp4?nocache=1786116189927\">https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/Java_SE_21_Developer_Oracle_Certified_Professional_1Z0_830_Downloadly.ir.mp4<\/a><\/video><\/mediaelementwrapper><\/div>\n<div class=\"mejs-layers\">\n<div class=\"mejs-poster mejs-layer\" style=\"display: none; width: 100%; height: 100%;\"><\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-loading\"><span class=\"mejs-overlay-loading-bg-img\"><\/span><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-error\"><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer mejs-overlay-play\" style=\"width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-button\" role=\"button\" tabindex=\"0\" aria-label=\"Play\" aria-pressed=\"false\"><\/div>\n<\/div>\n<\/div>\n<div class=\"mejs-controls\">\n<div class=\"mejs-button mejs-playpause-button mejs-play\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Play\" aria-label=\"Play\" tabindex=\"0\"><\/button><\/div>\n<div class=\"mejs-time mejs-currenttime-container\" role=\"timer\" aria-live=\"off\"><span class=\"mejs-currenttime\">00:00<\/span><\/div>\n<div class=\"mejs-time-rail\"><span class=\"mejs-time-total mejs-time-slider\" role=\"slider\" tabindex=\"0\" aria-label=\"Time Slider\" aria-valuemin=\"0\" aria-valuemax=\"0\" aria-valuenow=\"0\" aria-valuetext=\"00:00\"><span class=\"mejs-time-buffering\" style=\"display: none;\"><\/span><span class=\"mejs-time-loaded\"><\/span><span class=\"mejs-time-current\"><\/span><span class=\"mejs-time-hovered no-hover\"><\/span><span class=\"mejs-time-handle\"><span class=\"mejs-time-handle-content\"><\/span><\/span><span class=\"mejs-time-float\"><span class=\"mejs-time-float-current\">00:00<\/span><span class=\"mejs-time-float-corner\"><\/span><\/span><\/span><\/div>\n<div class=\"mejs-time mejs-duration-container\"><span class=\"mejs-duration\">00:00<\/span><\/div>\n<div class=\"mejs-button mejs-volume-button mejs-mute\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Mute\" aria-label=\"Mute\" tabindex=\"0\"><\/button><a href=\"javascript:void(0);\" class=\"mejs-volume-slider\" aria-label=\"Volume Slider\" aria-valuemin=\"0\" aria-valuemax=\"100\" role=\"slider\" aria-orientation=\"vertical\"><span class=\"mejs-offscreen\">Use Up\/Down Arrow keys to increase or decrease volume.<\/span><\/p>\n<div class=\"mejs-volume-total\">\n<div class=\"mejs-volume-current\" style=\"bottom: 0px; height: 100%;\"><\/div>\n<div class=\"mejs-volume-handle\" style=\"bottom: 100%; margin-bottom: -3px;\"><\/div>\n<\/div>\n<p><\/a><\/div>\n<div class=\"mejs-button mejs-fullscreen-button\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Fullscreen\" aria-label=\"Fullscreen\" tabindex=\"0\"><\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 dir=\"ltr\"><span class=\"notranslate\">Installation guide<\/span><\/h3>\n<p dir=\"ltr\">After Extract, watch with your favorite Player.<\/p>\n<p dir=\"ltr\">Subtitle: English<\/p>\n<p dir=\"ltr\">Quality: 1080p<\/p>\n<p>The 2025\/7 version has increased the number of lessons by 2 and the duration increased by 1 hours 26 minutes compared to 2025\/3.<\/p>\n<h3 dir=\"ltr\">Download link<\/h3>\n<p><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Java_SE_21_Developer_Oracle_Certified_Professional_1Z0-830_1080_2025-7_Downloadly.ir.part1.rar?nocache=1786116189\">Download Part 1 \u2013 2 GB<\/a><\/p>\n<p><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Java_SE_21_Developer_Oracle_Certified_Professional_1Z0-830_1080_2025-7_Downloadly.ir.part2.rar?nocache=1786116189\">Download Part 2 \u2013 2 GB<\/a><\/p>\n<p><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Java_SE_21_Developer_Oracle_Certified_Professional_1Z0-830_1080_2025-7_Downloadly.ir.part3.rar?nocache=1786116189\">Download Part 3 \u2013 2 GB<\/a><\/p>\n<p><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Udemy_Java_SE_21_Developer_Oracle_Certified_Professional_1Z0-830_1080_2025-7_Downloadly.ir.part4.rar?nocache=1786116189\">Download Part 4 \u2013 1.43 GB<\/a><\/p>\n<h5 dir=\"ltr\">File password (s): <a>www.downloadly.ir<\/a><\/h5>\n<h3 dir=\"ltr\">Size<\/h3>\n<p>7.43 GB<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Description Java SE 21 Developer | Oracle Certified Professional 1Z0-830 is an Oracle certification exam preparation course published by Udemy Online Aca<\/p>\n","protected":false},"author":1,"template":"","dgi_category":[10458],"dgi_tag":[83082,83083,83084,83085,14164,10666,10933,83086,83087,83088,83089,83090],"class_list":["post-9673","digital_item","type-digital_item","status-publish","has-post-thumbnail","hentry","dgi_category-video-tutorials","dgi_tag-java-se-21-developer-oracle-certified-professional-1z0-830","dgi_tag-java-se-21-developer-oracle-certified-professional-1z0-830-download","dgi_tag-java-se-21-developer-oracle-certified-professional-1z0-830-free","dgi_tag-java-se-21-developer-oracle-certified-professional-1z0-830-free-download","dgi_tag-mehmet-ongel","dgi_tag-oak-academy","dgi_tag-oak-academy-team","dgi_tag-udemy-java-se-21-developer-oracle-certified-professional-1z0-830","dgi_tag-udemy-java-se-21-developer-oracle-certified-professional-1z0-830-download","dgi_tag-udemy-java-se-21-developer-oracle-certified-professional-1z0-830-english","dgi_tag-udemy-java-se-21-developer-oracle-certified-professional-1z0-830-free","dgi_tag-udemy-java-se-21-developer-oracle-certified-professional-1z0-830-free-download"],"_links":{"self":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/9673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item"}],"about":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/types\/digital_item"}],"author":[{"embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/9673\/revisions"}],"wp:attachment":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/media?parent=9673"}],"wp:term":[{"taxonomy":"dgi_category","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_category?post=9673"},{"taxonomy":"dgi_tag","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_tag?post=9673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}