Objective C vs Learn C# Programming Guide

Write and run real Objective-C code on your iPhone or iPad. Type a program, tap Run, and it is compiled with GCC and the GNUstep Foundation framework on a secure server. The output appears in seconds. It's a great way to learn Objective-C, try out an idea, or practise for an interview or exam, wherever you are. FEATURES • Code editor with Objective-C syntax highlighting, line numbers, bracket matching, undo and redo • Extra keys above the keyboard for [ ] { } ( ) @ ; # and other symbols • Clear compiler errors and warnings. Tap one to jump straight to the line • Give your program input to read with scanf or fgets • Save, rename, duplicate and share your programs • 14 example programs: classes, properties, strings, arrays, dictionaries, inheritance, protocols, categories, exceptions, memory management and more • Editor and output side by side on iPad • Dark Mode WHAT YOU CAN USE Foundation classes such as NSString, NSArray, NSDictionary, NSNumber and NSException, plus the C standard library. Memory is managed manually with retain, release and autorelease, as in classic Objective-C. UIKit and ARC are not available. Your programs are stored on your device. Code is sent to the server only to compile and run it, and is not kept.

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