{"id":483,"date":"2023-02-13T02:22:25","date_gmt":"2023-02-13T02:22:25","guid":{"rendered":"https:\/\/aipsacademy.com\/blogs\/?p=483"},"modified":"2023-02-13T02:22:26","modified_gmt":"2023-02-13T02:22:26","slug":"friend-function-and-friend-class-in-c-with-example","status":"publish","type":"post","link":"https:\/\/aipsacademy.com\/blogs\/2023\/02\/13\/friend-function-and-friend-class-in-c-with-example\/","title":{"rendered":"Friend Function and Friend Class in C++ with example"},"content":{"rendered":"\n<p>In this topic we will Discuss Best concept and program of Friend Function and Friend Class in C++ with example.<\/p>\n\n\n\n<p>Friend Function :-<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It is a non-member Function which allows to access private Data member outside of the class.<\/li><li>Friend Function is invoked like a simple Function.<\/li><li>Friend function is declared with \u2018friend\u2019 keyword inside a class in private or public section.<\/li><li>Friend Function Requires an object as a function Argument.<\/li><\/ul>\n\n\n\n<p><strong>Properties of Friend Function<\/strong><\/p>\n\n\n\n<p>There are following properties of friend function.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Friend function is invoked without objects.<\/li><li>Friend function can\u2019t access members directly i.e it requires an object to access private or public members of the class.<\/li><li>Friend function can be declared in private of public section.<\/li><li>Friend function is rarely used because it violets the rule of Data hiding and Encapsulations.<\/li><\/ul>\n\n\n\n<p><strong>Syntax:-<\/strong><\/p>\n\n\n\n<p>class class_name<\/p>\n\n\n\n<p>{<\/p>\n\n\n\n<p>friend return_type function_name(Arguments);<\/p>\n\n\n\n<p>};<\/p>\n\n\n\n<p><strong>Example<\/strong><\/p>\n\n\n\n<p>class num<\/p>\n\n\n\n<p>{<\/p>\n\n\n\n<p>private:<\/p>\n\n\n\n<p>int a,b,c;<\/p>\n\n\n\n<p>friend void sum(num);<\/p>\n\n\n\n<p>};<\/p>\n\n\n\n<p>void sum(num obj)<\/p>\n\n\n\n<p>{<\/p>\n\n\n\n<p>Accessible private or public data<\/p>\n\n\n\n<p>}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this topic we will Discuss Best concept and program of Friend Function and Friend Class in C++ with example. Friend Function :- It is a non-member Function which allows to access private Data member outside of the class. Friend Function is invoked like a simple Function. Friend function is declared with \u2018friend\u2019 keyword inside [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":484,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3,9,8],"tags":[],"class_list":["post-483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-12th-computer-science","category-bca","category-cbse-12th-computer-science","category-jac-12th-computer-science"],"_links":{"self":[{"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/posts\/483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/comments?post=483"}],"version-history":[{"count":1,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/posts\/483\/revisions"}],"predecessor-version":[{"id":485,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/posts\/483\/revisions\/485"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/media\/484"}],"wp:attachment":[{"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/media?parent=483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/categories?post=483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aipsacademy.com\/blogs\/wp-json\/wp\/v2\/tags?post=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}