{"id":164,"date":"2025-04-12T10:12:34","date_gmt":"2025-04-12T10:12:34","guid":{"rendered":"https:\/\/rkdigitalschool.in\/itwala\/?p=164"},"modified":"2025-04-12T12:19:42","modified_gmt":"2025-04-12T12:19:42","slug":"what-is-application","status":"publish","type":"post","link":"https:\/\/rkdigitalschool.in\/itwala\/core-java\/what-is-application\/","title":{"rendered":"What is application"},"content":{"rendered":"\n<p>An <strong>application<\/strong> refers to a program or software designed to perform specific tasks for users. Applications can range from simple tools like calculators to complex systems such as enterprise resource management platforms.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"142\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/Application.jpg\" alt=\"\" class=\"wp-image-167\" style=\"width:840px;height:auto\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/Application.jpg 355w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/Application-300x120.jpg 300w\" sizes=\"auto, (max-width: 355px) 100vw, 355px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Types of Applications<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Stand alone Applications<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Programs installed on personal computers or laptops ,runs in the local disk results re not sharable . <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Distributed Applications<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Apps that run in a web browser and are hosted on servers , whose results are sharable across the world.<\/li>\n\n\n\n<li>Example all internet based application are known as distributed applications like yahoo, gmail , facebook, instagram .<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>To develop distributed application we use a language called java and java comes under internet software. Architecture required for development of distributed application , programmer must use a well known Architecture known as client server architecture .<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"428\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-1024x428.jpg\" alt=\"\" class=\"wp-image-205\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-1024x428.jpg 1024w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-300x125.jpg 300w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-768x321.jpg 768w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-1536x641.jpg 1536w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-2048x855.jpg 2048w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/N-tier-1-1140x476.jpg 1140w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2-Tier Architecture<\/li>\n\n\n\n<li>3-Tier Architecture<\/li>\n\n\n\n<li>n-Tire Architecture <\/li>\n<\/ul>\n\n\n\n<p><strong>2-Tier Architecture<\/strong><\/p>\n\n\n\n<p>Two tier Architecture it contains client and server side programing  . <\/p>\n\n\n\n<p><strong>3-Tier Architecture<\/strong><\/p>\n\n\n\n<p>Three tier architecture it contains client , server program and database software <\/p>\n\n\n\n<p><strong>n-Tier Architecture <\/strong><\/p>\n\n\n\n<p>n tire architecture it contains client program , fire wall program(security program) , server side program and database software .<\/p>\n\n\n\n<p>Client always makes a request to the server to get the services from server . Server which receives client request passes the client request and gives response back to client concurrently .<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-478b6e6b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/4j7QXJS\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"155\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21.jpg\" alt=\"\" class=\"wp-image-178\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21.jpg 320w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21-300x145.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/4jveqV8\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"141\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product23.jpg\" alt=\"\" class=\"wp-image-183\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product23.jpg 320w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product23-300x132.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/4j7QXJS\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"155\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21-1.jpg\" alt=\"\" class=\"wp-image-211\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21-1.jpg 320w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product21-1-300x145.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Fire wall<\/h5>\n\n\n\n<p>A <strong>firewall<\/strong> is a security system\u2014either hardware, software, or both\u2014that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Its main purpose is to protect networks, devices, or systems from unauthorized access, cyberattacks, and other threats by creating a barrier between trusted and untrusted networks.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">How a Firewall Works<\/h5>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Monitoring Network Traffic<\/strong>:\n<ul class=\"wp-block-list\">\n<li>A firewall examines data packets traveling through the network.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Filtering<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Firewalls use rules to determine which traffic is permitted or denied, ensuring only safe traffic reaches the protected system.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\">Server<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">Types of Servers<\/h6>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Web Server<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Hosts websites and serves web pages to users via browsers.<\/li>\n\n\n\n<li>Example: Apache, NGINX.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Database Server<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Stores and manages data, allowing clients to perform queries or retrieve information.<\/li>\n\n\n\n<li>Example: MySQL, SQL Server.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>File Server<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Provides shared storage for files and allows clients to access or transfer them.<\/li>\n\n\n\n<li>Example: Network Attached Storage (NAS).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Application Server<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Hosts and runs applications, providing functionality to users or other applications.<\/li>\n\n\n\n<li>Example: Glassfish, Tomcat.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-478b6e6b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/42HqHA6\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"297\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product24.jpg\" alt=\"\" class=\"wp-image-192\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product24.jpg 320w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product24-300x278.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/42HqDjQ\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"290\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product25.jpg\" alt=\"\" class=\"wp-image-193\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product25.jpg 320w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product25-300x272.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/amzn.to\/4lqTBMc\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"269\" height=\"320\" src=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product26.jpg\" alt=\"\" class=\"wp-image-194\" srcset=\"https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product26.jpg 269w, https:\/\/rkdigitalschool.in\/itwala\/wp-content\/uploads\/2025\/04\/product26-252x300.jpg 252w\" sizes=\"auto, (max-width: 269px) 100vw, 269px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An application refers to a program or software designed to perform specific tasks for users. Applications can range from simple tools like calculators to complex systems such as enterprise resource management platforms. Types of Applications To develop distributed application we use a language called java and java comes under internet software. Architecture required for development of distributed application , programmer must use a well known Architecture known as client server architecture . 2-Tier Architecture Two tier Architecture it contains client and server side programing . 3-Tier Architecture Three tier architecture it contains client , server program and database software n-Tier Architecture n tire architecture it contains client program , fire wall program(security program) , server side program and database software . Client always makes a request to the server to get the services from server . Server which receives client request passes the client request and gives response back to client concurrently . Fire wall A firewall is a security system\u2014either hardware, software, or both\u2014that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Its main purpose is to protect networks, devices, or systems from unauthorized access, cyberattacks, and other threats by creating a barrier between trusted and untrusted networks. How a Firewall Works Server Types of Servers<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[88,92,95,50,97,96,90,93,89,94,98,91],"class_list":["post-164","post","type-post","status-publish","format-standard","hentry","category-core-java","tag-application","tag-how-to-start-coding","tag-java","tag-multithreading","tag-oops","tag-oops-concept","tag-software","tag-software-eye-opener","tag-what-is-application","tag-what-is-java","tag-what-is-oops","tag-what-is-software"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is application - Latest technology<\/title>\n<meta name=\"description\" content=\".An application refers to a program or software designed to perform specific tasks for users. like calculators\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rkdigitalschool.in\/itwala\/core-java\/what-is-application\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is application - 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