{"id":126951,"date":"2023-11-30T14:01:58","date_gmt":"2023-11-30T08:31:58","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=126951"},"modified":"2023-11-30T14:01:58","modified_gmt":"2023-11-30T08:31:58","slug":"cpp-program-for-pre-increment-and-decrement-operator-overloading","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/cpp-program-for-pre-increment-and-decrement-operator-overloading\/","title":{"rendered":"C++ Program For Pre Increment and Decrement Operator Overloading"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/Unary Operator overloading (- operator)\r\n#include&lt;iostream&gt;\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\nclass Test\r\n{\r\n      int a,b,c;\r\n      public:\r\n      Test(int a,int b,int c)\r\n      {\r\n        this-&gt;a=a;\r\n        this-&gt;b=b;\r\n        this-&gt;c=c;\r\n      }\r\n      void display();\r\n      void operator++();\r\n      void operator--();\r\n     \r\n};\r\nvoid Test::operator++()\r\n{\r\n    ++a;\r\n    ++b;\r\n    ++c;\r\n}\r\nvoid Test::operator--()\r\n{\r\n    --a;\r\n    --b;\r\n    --c;\r\n}\r\n void Test::display()\r\n      {\r\n        cout&lt;&lt;\"\\n\"&lt;&lt;a &lt;&lt;\"  \"&lt;&lt;b&lt;&lt;\"  \"&lt;&lt;c;\r\n      }\r\nint main()\r\n{\r\n    clrscr();\r\n    Test T1(10,20,30);\r\n    T1.display();\r\n    cout&lt;&lt;endl;\r\n    ++T1;  \/\/T1.operator++()\r\n    \/\/--T1;  \/\/T1.operator--()\r\n    \r\n    T1.display();\r\n     \r\n    return 0;\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/Unary Operator overloading (- operator) #include&lt;iostream&gt; #define clrscr() system(&#8220;cls&#8221;) using namespace std; class Test { int a,b,c; public: Test(int a,int b,int c) { this-&gt;a=a; this-&gt;b=b; this-&gt;c=c; } void display(); void operator++(); void&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20172],"tags":[2263,29219,29655,29218,29653,29654],"class_list":["post-126951","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-c","tag-c-practical","tag-c-pre-increment-and-decrement-operator-overloading","tag-c-program","tag-c-program-for-pre-increment-and-decrement-operator-overloading","tag-pre-increment-and-decrement-operator-overloading-in-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C++ Program For Pre Increment and Decrement Operator Overloading - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/cpp-program-for-pre-increment-and-decrement-operator-overloading\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ Program For Pre Increment and Decrement Operator Overloading - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/Unary Operator overloading (- operator) #include&lt;iostream&gt; #define clrscr() system(&quot;cls&quot;) using namespace std; class Test { int a,b,c; public: Test(int a,int b,int c) { this-&gt;a=a; this-&gt;b=b; this-&gt;c=c; } void display(); void operator++(); void&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/cpp-program-for-pre-increment-and-decrement-operator-overloading\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-30T08:31:58+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++ Program For Pre Increment and Decrement Operator Overloading - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/cpp-program-for-pre-increment-and-decrement-operator-overloading\/","og_locale":"en_US","og_type":"article","og_title":"C++ Program For Pre Increment and Decrement Operator Overloading - DataFlair","og_description":"Program 1 \/\/Unary Operator overloading (- operator) #include&lt;iostream&gt; 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