"Mu-Guest network: Basic Basics of iOS Foundation Framework Experience" Learning notes

Foundaton Foundation

Framework Framework

Class structure relationships for 1.Foundation frames

1 intMainintargcConst Char*argv[]) {2 @autoreleasepool {3         //C language String4         Char*ch ="Hello objective-c";5NSString *ns =@"Hello C";6         //conversion between OC and C languages7         //C language->oc language8NSString *oc =[NSString stringwithutf8string:ch];9NSLog (@"string converted to OC language:%@", OC);Ten         //OC Language->c language One         Const Char*c =[NS utf8string]; ANSLog (@"string converted to C:%s", c); -     } -     return 0; the}

"Mu-Guest network: Basic Basics of iOS Foundation Framework Experience" Learning notes