{"id":6644,"date":"2026-04-13T11:50:53","date_gmt":"2026-04-13T11:50:53","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/reserved-word\/"},"modified":"2026-04-13T11:50:53","modified_gmt":"2026-04-13T11:50:53","slug":"slowo-zastrzezone","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/pl\/dictionary\/reserved-word\/","title":{"rendered":"S\u0142owo zastrze\u017cone"},"content":{"rendered":"<h1>S\u0142owo zastrze\u017cone<\/h1>\n<p>S\u0142owo zastrze\u017cone odnosi si\u0119 do s\u0142owa, kt\u00f3re zosta\u0142o od\u0142o\u017cone przez j\u0119zyk programowania do okre\u015blonego celu i nie mo\u017ce by\u0107 u\u017cywane jako zmienna lub identyfikator. S\u0142owa te s\u0105 r\u00f3wnie\u017c znane jako s\u0142owa kluczowe. S\u0142owa zastrze\u017cone s\u0105 istotn\u0105 cz\u0119\u015bci\u0105 sk\u0142adni j\u0119zyka programowania i maj\u0105 predefiniowane znaczenie, kt\u00f3rego programista nie mo\u017ce zmieni\u0107 ani zmodyfikowa\u0107.<\/p>\n<p>S\u0142owa zarezerwowane s\u0105 u\u017cywane przez j\u0119zyk programowania do identyfikowania okre\u015blonych dzia\u0142a\u0144, operacji lub <a href=\"https:\/\/thecodest.co\/pl\/blog\/app-data-collection-security-risks-value-and-types-explored\/\">dane<\/a> typy. S\u0105 one u\u017cywane do definiowania struktury, zachowania i regu\u0142 j\u0119zyka programowania. Zarezerwowane s\u0142owa s\u0105 cz\u0119sto u\u017cywane do tworzenia instrukcji, funkcji i wyra\u017ce\u0144, kt\u00f3re s\u0105 u\u017cywane do manipulowania danymi i wykonywania operacji.<\/p>\n<p>Kilka przyk\u0142ad\u00f3w zastrze\u017conych s\u0142\u00f3w w popularnych <a href=\"https:\/\/thecodest.co\/pl\/blog\/top-programming-languages-to-build-e-commerce\/\">j\u0119zyki programowania<\/a> obejmuj\u0105:<\/p>\n<ul>\n<li><a href=\"https:\/\/thecodest.co\/pl\/blog\/find-the-right-java-developer-now\/\">Java<\/a>public, static, void, class, interface, extends, implements, new, return, if, else, switch, case, break, default, while, do, for, try, catch, finally, throw, throws<\/li>\n<li><a href=\"https:\/\/thecodest.co\/pl\/blog\/hire-django-developers\/\">Python<\/a>: and, as, assert, break, class, continue, def, del, elif, else, except, False, finally, for, from, global, if, import, in, is, lambda, None, nonlocal, not, or, pass, raise, return, True, try, while, with, yield<\/li>\n<li>C++: auto, break, case, char, const, continue, default, do, double, else, enum, extern, float, for, goto, if, int, long, register, return, short, signed, sizeof, static, struct, switch, typedef, union, unsigned, void, volatile, while<\/li>\n<\/ul>\n<p>Nale\u017cy pami\u0119ta\u0107, \u017ce s\u0142owa zastrze\u017cone nie mog\u0105 by\u0107 u\u017cywane jako nazwy zmiennych lub identyfikatory w programie. Pr\u00f3ba u\u017cycia s\u0142owa zastrze\u017conego jako zmiennej lub identyfikatora spowoduje b\u0142\u0105d sk\u0142adni. Dlatego wa\u017cne jest, aby dobrze zrozumie\u0107 s\u0142owa zastrze\u017cone w j\u0119zyku programowania przed napisaniem programu. <a href=\"https:\/\/thecodest.co\/pl\/dictionary\/what-is-code-refactoring\/\">kod<\/a>.<\/p>\n<p>Podsumowuj\u0105c, s\u0142owa zastrze\u017cone s\u0105 podstawowym aspektem j\u0119zyk\u00f3w programowania, kt\u00f3re pomagaj\u0105 zdefiniowa\u0107 sk\u0142adni\u0119 i struktur\u0119 j\u0119zyka. S\u0105 one u\u017cywane do identyfikacji okre\u015blonych dzia\u0142a\u0144, operacji lub typ\u00f3w danych i nie mog\u0105 by\u0107 u\u017cywane jako nazwy zmiennych lub identyfikatory. Zrozumienie s\u0142\u00f3w zastrze\u017conych ma kluczowe znaczenie dla pisania bezb\u0142\u0119dnego kodu i tworzenia wydajnych program\u00f3w.<\/p>","protected":false},"excerpt":{"rendered":"<p>Poznaj s\u0142owa zastrze\u017cone w j\u0119zykach programowania - s\u0142owa od\u0142o\u017cone do okre\u015blonych cel\u00f3w, kt\u00f3rych nie mo\u017cna u\u017cywa\u0107 jako zmiennych lub identyfikator\u00f3w. #programowanie #sk\u0142adnia<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6644","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Reserved Word - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about reserved words in programming languages - words set aside for specific purposes that cannot be used as variables or identifiers. #programming #syntax\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/pl\/slownik\/slowo-zastrzezone\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reserved Word\" \/>\n<meta property=\"og:description\" content=\"Learn about reserved words in programming languages - 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