{"id":417,"date":"2022-12-21T11:09:38","date_gmt":"2022-10-07T21:48:34","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/objective-c%e3%81%aehello-world%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab\/"},"modified":"2025-07-31T23:25:50","modified_gmt":"2025-07-31T14:25:50","slug":"objective-c%e3%81%aehello-world%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/objective-c%e3%81%aehello-world%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab\/","title":{"rendered":"Objective-C\u306eHello World\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb"},"content":{"rendered":"<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30fc\u30b9\u3067\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u753b\u9762\u306b\u300cHello World\uff01\u300d\u3068\u3044\u3046\u8a00\u8449\u3092\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u59cb\u3081\u308b\u306e\u304c\u901a\u4f8b\u3067\u3059\u306e\u3067\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u307e\u305a\u306f\u3058\u3081\u306b\u958b\u767a\u30c4\u30fc\u30eb\u3092\u4f7f\u3044\u59cb\u3081\u3001\u305d\u306e\u5f8c\u306bHello World\u306e\u30b3\u30fc\u30c9\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n<h3>objective-c\u306e\u6982\u8981<\/h3>\n<p>Objective-C\u306f\u3001Apple\u306eiOS\u304a\u3088\u3073OS X\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u3002Objective-C\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306f\u3001C\u3092\u57fa\u306b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002Objective-C\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u3059\u3079\u3066Foundation\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30a2\u30c3\u30d7\u30eb\u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h3>\n<p>\u30a2\u30a4\u30aa\u30fc\u30a8\u30b9\u3068\u30de\u30c3\u30af\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u4e3b\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306fXcode\u3067\u3059\u3002Xcode\u306fApple\u306e\u7d71\u5408\u958b\u767a\u74b0\u5883\u3067\u3042\u308a\u3001Mac\u3067\u306e\u307f\u5229\u7528\u3067\u304d\u307e\u3059\u3002App Store\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>XCode\u3092\u4f7f\u3044\u59cb\u3081\u308b<\/h3>\n<p>Xcode\u306f\u300cApplications\u300d\u30d5\u30a9\u30eb\u30c0\u306b\u5b58\u5728\u3057\u3001\u4ee5\u4e0b\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8d77\u52d5\u6642\u306b\u8868\u793a\u3055\u308c\u307e\u3059\uff1a\u300c\u65b0\u898fXCode\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u300d\u3092\u9078\u3073\u3001\u4ee5\u4e0b\u306b\u793a\u3055\u308c\u305f\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30a6\u30a3\u30b6\u30fc\u30c9\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u57fa\u672c\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5074\u9762\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u8907\u96d1\u3055\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u9078\u629e\u3057\u3001\u300c\u6b21\u3078\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5404\u81ea\u306e\u7d44\u7e54\u306e\u8a73\u7d30\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u8a00\u8a9e\u300d\u306f\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306bObjective-C\u3092\u9078\u629e\u3057\u3001\u300c\u6b21\u3078\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\uff1a\u6b21\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u305f\u3044\u30d5\u30a9\u30eb\u30c0\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u30ea\u30dd\u30b8\u30c8\u30ea\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u3001\u300cGit\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f5c\u6210\u300d\u306e\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3092\u5916\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u5f8c\u306b\u3001\u300c\u4f5c\u6210\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3057\u3070\u3089\u304f\u3059\u308b\u3068\u3001Xcode\u306e\u30e1\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u4e0a\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4e0a\u306e\u753b\u50cf\u3067\u898b\u3089\u308c\u308b\u3088\u3046\u306b\u3001Objective-C\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u62e1\u5f35\u5b50\u306f.m\u3067\u3059\u3002<\/p>\n<h3>\u30b3\u30fc\u30c9<\/h3>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6700\u521d\u306b\u8d77\u52d5\u3055\u308c\u308b\u969b\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u306e\u540d\u524d\u306f\u300cmain\u300d\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>#import &lt;Foundation\/Foundation.h&gt;\r\n<\/code><\/pre>\n<p>\u3053\u306e\u6587\u306f\u3001\u30e1\u30a4\u30f3\u95a2\u6570\u306e\u4e0a\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002Xcode\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001Foundation\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u306f\u3001\u95a2\u9023\u3059\u308b\u30af\u30e9\u30b9\u3001\u95a2\u6570\u3001\u5b9a\u6570\u3001\u304a\u3088\u3073\u578b\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002Foundation\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u306f\u3001\u3059\u3079\u3066\u306eiOS\u30a2\u30d7\u30ea\u3068OS X\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u308b\u57fa\u672c\u7684\u306a\u30af\u30e9\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002#import\u306f\u3001C\u8a00\u8a9e\u3067\u4f7f\u7528\u3055\u308c\u308b#include\u306b\u6bd4\u3079\u3066\u3001\u3088\u308a\u901f\u304f\u52b9\u7387\u7684\u3067\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u304c#include\u6307\u4ee4\u3092\u898b\u308b\u3068\u3001\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u5358\u7d14\u306b\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3057\u307e\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u304c#import\u6307\u4ee4\u3092\u898b\u308b\u3068\u3001\u307e\u305a\u4ed6\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3059\u3067\u306b\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u307e\u305f\u306f\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306bHelloWorld\u306e\u30b3\u30fc\u30c9\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff1amain.m<\/p>\n<pre class=\"post-pre\"><code>#import &lt;Foundation\/Foundation.h&gt;\r\n\r\nint main(int argc, const char * argv[]) {\r\n    @autoreleasepool {\r\n        \/\/ insert code here...\r\n        NSLog(@\"Hello, World!\");\r\n    }\r\n    return 0;\r\n}\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li>@autoreleasepool creates a scoped area and makes it clearer what\u2019s within the pool. Inside of the @autoreleasepool block is where we write our code<\/li>\n<li>The next line calls NSLog which is a function brought in by the Foundation Framework. This function is a lot like printf() function in c. It accepts a format string and can have replaceable tokens. The main noticeable difference is that NSLog automatically creates a newline after a string<\/li>\n<li>\u201c@\u201d is an Objective-C shorthand for creating a NSString(Another class of Foundation framework that we will discuss later) object from the given character string<\/li>\n<li>return 0; : By convention, a return value of zero indicates that the function was successful<\/li>\n<\/ul>\n<p>\u5de6\u4e0a\u9685\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306e\u51fa\u529b\u306f\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>NSLog() prefaces its output with the date, time, program name, and process ID<\/li>\n<li>Program exited with status value:0 &#8211; This is an indication of the return value of main<\/li>\n<\/ul>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u3053\u3053\u3067\u7d42\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>(Kono ch\u016btoriaru wa koko de owarimasu.)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30fc\u30b9\u3067\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u753b\u9762\u306b\u300cHello World\uff01\u300d\u3068\u3044\u3046\u8a00\u8449\u3092\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u59cb\u3081\u308b\u306e\u304c\u901a\u4f8b\u3067\u3059\u306e\u3067\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u307e\u305a\u306f\u3058\u3081\u306b\u958b\u767a\u30c4\u30fc\u30eb\u3092\u4f7f\u3044\u59cb\u3081\u3001\u305d\u306e\u5f8c\u306bHello World\u306e\u30b3\u30fc [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-417","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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