{"id":19508,"date":"2021-07-12T14:52:22","date_gmt":"2021-07-12T12:52:22","guid":{"rendered":"https:\/\/www.software-developer-india.com\/vad-ar-c\/"},"modified":"2022-01-11T14:36:20","modified_gmt":"2022-01-11T12:36:20","slug":"vad-ar-c","status":"publish","type":"post","link":"https:\/\/www.software-developer-india.com\/sv\/vad-ar-c\/","title":{"rendered":"Vad \u00e4r C ++"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Vad \u00e4r C ++<\/h2>\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Programming.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"250\" src=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Programming.jpg\" alt=\"\" class=\"wp-image-19478\" srcset=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Programming.jpg 575w, https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Programming-300x130.jpg 300w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/a><\/figure><\/div>\n\n<p class=\"wp-block-paragraph\">Programmeringsspr\u00e5ket C ++ har funnits i \u00e5ldrar, och det finns ingen i v\u00e4rlden av programmering eller teknik som inte har h\u00f6rt talas om det. C ++ \u00e4r ett allm\u00e4nt spr\u00e5k som utvecklats av Bjarne Stroustrup och avsett att vara en f\u00f6rl\u00e4ngning av C. \u00c4ven om spr\u00e5ket utvecklades 1979 var C ++ f\u00f6rsta upptr\u00e4dande 1985. Eftersom det \u00e4r ett objektorienterat programmeringsspr\u00e5k, inneh\u00e5ller det alla funktioner som arv, polymorfism, inkapsling och abstraktion. Detta g\u00f6r applikationsutveckling enkel och konceptualiserad. <\/p>\n\n<p class=\"wp-block-paragraph\">Programmeringsspr\u00e5kets till\u00e4mpningar \u00e4r m\u00e5nga. L\u00e5t oss diskutera de olika anv\u00e4ndningsfallen f\u00f6r C ++ nu. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>GUI-applikationer <\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">De flesta applikationerna i Adobes system \u00e4r utvecklade i C ++<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Spel <\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Med GUI, grafiskt anv\u00e4ndargr\u00e4nssnitt hj\u00e4lper C ++ till att utveckla spel och i realtid matematiska simuleringar. Det kan vara en komplicerad procedur att anv\u00e4nda grafik i C ++, men det skulle vara mycket anv\u00e4ndbart i animering och spel. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Operativsystem <\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Operativsystem som Microsoft Windows, Apple Mac OS X, Symbian OS anv\u00e4nder C ++ p\u00e5 grund av dess fantastiska hastighet. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>System f\u00f6r databashantering<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">C ++ har funktioner som filhantering, tillf\u00f6rlitlighet, h\u00f6g hastighet, funktioner, klasser och objekt som hj\u00e4lper till att hantera data, och Oracle, IBM och MySQL \u00e4r bara n\u00e5gra f\u00e5 exempel p\u00e5 C ++ i Data Management Systems. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Bibliotek<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">C ++ har ett standardbibliotek som \u00e4r rikt p\u00e5 inbyggda funktioner, s\u00e5 att det kan antas som ett programmeringsspr\u00e5k f\u00f6r backend som erbjuder bibliotek till flera h\u00f6gniv\u00e5bibliotek som maskininl\u00e4rningsbibliotek. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>webbl\u00e4sare <\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Webbl\u00e4sare \u00e4r vanligtvis programmerade i C ++. N\u00e4stan alla webbl\u00e4sare som du har anv\u00e4nt tidigare och fortfarande anv\u00e4nder nu, som Internet Explorer, Google Chrome, Safari, Netscape Navigator, Opera och Mozilla Firefox \u00e4r alla utm\u00e4rkta exempel. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Molntj\u00e4nster <\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Eftersom C + + \u00e4r ett programmeringsspr\u00e5k p\u00e5 h\u00f6g niv\u00e5 \u00e4r det ganska kompatibelt med maskiner ocks\u00e5. Detta \u00e4r en anledning till varf\u00f6r m\u00e5nga MNC anv\u00e4nder C ++ med molntj\u00e4nster och distribuerade applikationer.<\/p>\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Advantages.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"250\" src=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Advantages.jpg\" alt=\"\" class=\"wp-image-19469\" srcset=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Advantages.jpg 575w, https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2021\/07\/Advantages-300x130.jpg 300w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/a><\/figure><\/div>\n\n<h3 class=\"wp-block-heading\"><strong>F\u00f6rdelar med C ++<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Kolla in de olika f\u00f6rdelarna med C ++ som g\u00f6r det till ett popul\u00e4rt val bland f\u00f6retag och utvecklare<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>1<\/strong> . <strong>B\u00e4rbarhet<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Med portabilitet kan du k\u00f6ra samma program p\u00e5 olika applikationer och med C ++ \u00e4r det l\u00e4tt m\u00f6jligt. Genom sin plattformsoberoende funktion, om du skriver ett program i Linux OS och vill flytta till Windows OS, kan du enkelt g\u00f6ra det utan fel. Detta g\u00f6r det extremt enkelt f\u00f6r programmeraren och portabiliteten kommer att ske smidigt.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>2. L\u00e5gniv\u00e5manipulation<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">C ++ \u00e4r n\u00e4ra besl\u00e4ktat med C, och eftersom det \u00e4r ett processpr\u00e5k, m\u00f6jligg\u00f6r det manipulering p\u00e5 l\u00e5g niv\u00e5. Detta g\u00f6r programmet effektivt prestationsm\u00e4ssigt och minnesm\u00e4ssigt. <\/p>\n\n<h2 class=\"wp-block-heading\"><strong>3. Anv\u00e4nder multi-paradigm-programmering<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Paradigm betyder en metod f\u00f6r att l\u00f6sa vissa problem eller uppgifter. Programmeringsparadigm \u00e4r ett tillv\u00e4gag\u00e5ngss\u00e4tt d\u00e4r ett visst program l\u00f6ses med hj\u00e4lp av programmeringsspr\u00e5k, eller kanske andra verktyg och tekniker. C ++ &#8211; programmet \u00e4r multi-paradigm programmering, vilket betyder att det f\u00f6ljer paradigmerna f\u00f6r Generic, Imperative och Object Oriented. Generisk programmering inneb\u00e4r att man anv\u00e4nder en enda id\u00e9 f\u00f6r att l\u00f6sa flera syften; genom tvingande programmering anv\u00e4nder utvecklare uttalanden f\u00f6r att \u00e4ndra tillst\u00e5ndet f\u00f6r ett program. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>4. Minneshantering<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Programmeraren har total kontroll \u00f6ver minneshantering. Men den h\u00e4r funktionen kan ocks\u00e5 vara en tillg\u00e5ng och skuld. Anv\u00e4ndaren m\u00e5ste hantera minnet snarare \u00e4n av sopor. Minneshanteringsfunktionen implementeras genom DMA- eller dynamiskt minnesallokering. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>5. Stor gemenskapsbackup<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\"> C ++ \u00e4r ett av de vanligaste programmeringsspr\u00e5ken i StackOverflow och GitHub, och det finns ett enormt bibliotek med resurser, online-kurser och f\u00f6rel\u00e4sningar, b\u00e5de gratis och betalda, f\u00f6r nykomlingar. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>6. Kompatibilitet med C<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">N\u00e4stan alla C ++ &#8211; program kan k\u00f6ras, f\u00f6rutsatt att det har ett giltigt .cpp-till\u00e4gg. S\u00e5 C ++ och C \u00e4r ganska kompatibla med varandra, och praktiskt taget alla typer av felfria C-program kan ocks\u00e5 k\u00f6ras p\u00e5 C ++ &#8211; program. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>7. Brett utbud av applikationer<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Du kan anv\u00e4nda C ++ f\u00f6r att bygga en m\u00e4ngd olika applikationer, allt fr\u00e5n enkla GUI-applikationer till realtidsspel, matematiska simuleringar etc. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>8. Skalbarhet<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">En av de st\u00f6rsta styrkorna med C ++ \u00e4r dess skalbarhet, och du kan bygga resurskr\u00e4vande appar med den. Eftersom koden \u00e4r typkontrollerad innan den k\u00f6rs \u00e4r C ++ mer performant \u00e4n dynamiskt skrivna spr\u00e5k, \u00e4ven om den \u00e4r statiskt skriven. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Nackdelar med C ++<\/strong><\/h3>\n\n<h3 class=\"wp-block-heading\"><strong>1. S\u00e4kerhet \u00e4r en begr\u00e4nsning<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S\u00e4kerhet \u00e4r inte en stark faktor f\u00f6r C ++ trots att det \u00e4r ett objektorienterat programmeringsspr\u00e5k. Det \u00e4r tillg\u00e5ngen p\u00e5 v\u00e4nfunktioner, pekare och globala variabler som orsakar dessa s\u00e4kerhetsproblem. S\u00e4kerhetsproblem inkluderar ocks\u00e5 hot fr\u00e5n LDAP-injektioner, kommandoinjektioner, andra ordningens SQL-injektion, anslutningsstr\u00e4nginjektion, resursinjektion och s\u00f6kinjektioner. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>2. Komplicerad syntax<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Syntaxen i ett stort C ++ &#8211; program \u00e4r komplicerat med ett litet standardbibliotek. Detta kan g\u00f6ra det sv\u00e5rt f\u00f6r nyb\u00f6rjare. Men f\u00f6r dem som \u00e4r bekanta med C # och Java skulle det vara enkelt att l\u00e4ra sig programmeringsspr\u00e5ket. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>3. Arrangemangsbegr\u00e4nsning i C ++<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Definiera en matris ska g\u00f6ras i f\u00f6rv\u00e4g, och n\u00e4r den v\u00e4l definierats kan du inte \u00e4ndra den. S\u00e5 det \u00e4r viktigt att definiera storleken p\u00e5 arrayen i f\u00f6rv\u00e4g (f\u00f6r att lagra element) vilket g\u00f6r det sv\u00e5rt att \u00f6ka eller minska minnet. Problemet uppst\u00e5r n\u00e4r du beh\u00f6ver allokera r\u00e4tt minne eftersom f\u00f6r mycket skulle leda till sl\u00f6seri med minne och mindre minne leder till brist p\u00e5 element. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>4. Ingen avfallsuppsamling<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Det finns inget st\u00f6d f\u00f6r Dynamic Memory Allocation eller DMA s\u00e5 spr\u00e5ket kan inte st\u00f6dja sopuppsamling ocks\u00e5. Och som tidigare n\u00e4mnts \u00e4r minneshantering ocks\u00e5 mycket d\u00e5lig, vilket tvingar det sv\u00e5rt f\u00f6r programmeraren.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>5. Inget st\u00f6d av inbyggd tr\u00e5d<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Programmeringsspr\u00e5ket st\u00f6der inte n\u00e5gra inbyggda tr\u00e5dar f\u00f6r applikationer med flera tr\u00e5dar, vilket \u00e4r ganska nytt koncept i C ++. Spr\u00e5ket kan dock st\u00f6dja lambdafunktioner. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>6. Anv\u00e4ndning av pekare<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Pekare i C och C ++ \u00e4r sv\u00e5ra att hantera och felaktig anv\u00e4ndning eller missbruk av pekare kan orsaka att applikationen kraschar eller beter sig felaktigt. Om fel v\u00e4rden placeras kan det leda till minneskorruption ocks\u00e5. Fels\u00f6kning av pekfel \u00e4r inte s\u00e5 l\u00e4tt, vilket g\u00f6r det till en allvarlig nackdel med C ++. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>7. Mindre flexibel<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Programmeringsspr\u00e5ket \u00e4r ganska strikt med sin syntax, och ett litet fel kan orsaka allvarliga fel. Detta g\u00f6r C__ mindre anv\u00e4ndarv\u00e4nligt och mindre flexibelt eftersom det inte \u00e4r l\u00e4tt att skriva koden p\u00e5 ett l\u00e4sbart s\u00e4tt. Det \u00e4r ocks\u00e5 mycket m\u00f6jligt att definiera operat\u00f6rer f\u00f6r specifika operationer, och med andra programmeringsspr\u00e5k \u00e4r det l\u00e4tt m\u00f6jligt. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Slutsats<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">C ++ \u00e4r ett av de \u00e4ldsta och mycket effektiva programmeringsspr\u00e5ken runt och det \u00e4r fortfarande en favorit bland studenter och yrkesverksamma. Om du b\u00f6rjar din programmerare, eller vill anst\u00e4lla en bra programmerare, skulle n\u00e5gon med god kunskap i C ++ vara en extra f\u00f6rdel. <\/p>\n\n<p class=\"wp-block-paragraph\">Och n\u00e4r du v\u00e4l har utvecklat en f\u00f6rst\u00e5else f\u00f6r f\u00f6rdelar och nackdelar med C ++, skulle det vara l\u00e4tt att identifiera om spr\u00e5ket skulle vara l\u00e4mpligt f\u00f6r dina projektkrav.<\/p>\n\n<p class=\"wp-block-paragraph\">Intressanta l\u00e4nkar:<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.invensis.net\/blog\/applications-of-c-c-plus-plus-in-the-real-world\/\">Vad anv\u00e4nds C ++ f\u00f6r?<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.educba.com\/uses-of-c-plus-plus\/\">Mer information om C ++<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Bilder: Canva<\/p>\n\n<hr class=\"wp-block-separator\"\/>\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img decoding=\"async\" src=\"https:\/\/www.software-developer-india.com\/wp-content\/uploads\/2015\/02\/1.jpg\" alt=\"\" class=\"wp-image-229\"\/><\/figure><\/div>\n\n<p class=\"wp-block-paragraph\">F\u00f6rfattaren: Sascha Thattil arbetar p\u00e5 Software-Developer-India.com som \u00e4r en del av YUHIRO Group. YUHIRO \u00e4r ett tysk-indiskt f\u00f6retag som tillhandah\u00e5ller programmerare till IT-f\u00f6retag, byr\u00e5er och IT-avdelningar.<\/p>\n<div class=\"shariff\"><ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fwww.software-developer-india.com%2Fsv%2Fvad-ar-c%2F&text=Vad%20%C3%A4r%20C%20%2B%2B\" title=\"Dela p\u00e5 X\" aria-label=\"Dela p\u00e5 X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#000; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path fill=\"#000\" d=\"M14.258 10.152L23.176 0h-2.113l-7.747 8.813L7.133 0H0l9.352 13.328L0 23.973h2.113l8.176-9.309 6.531 9.309h7.133zm-2.895 3.293l-.949-1.328L2.875 1.56h3.246l6.086 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