The debate has always been there whenever one is asked which is better among swift and objective-C. Both are widely accepted and offer great flexibility to the developer’s community, however – people find swift more competent because:
Objective-C endures every single wart you probably expect from a language based on C. To separate keywords and types from C-based ones, Objective-C brought additional keywords utilizing the @ icon. Because Swift isn’t based on C, it can bring together all the keywords and expel the various @ symbols before each Objective-C sort or object-oriented keyword.
Swift is unparalleled and unorthodox. In this manner, you no more need semicolons to end lines or brackets to encompass conditional expressions inside if/else explanations. Another substantial change is that technique calls don’t settle inside each other bringing about bracket hellfire – Hello-Hi, [[[ ]]]. Strategy and function calls in Swift utilize the business standard comma-isolated list of parameters inside brackets. The outcome is a cleaner, more expressive dialect with an improved language structure and sentence structure.
Legacy is the thing that keeps Objective-C down – the dialect cannot advance without C developing. C obliges programmers to keep up two code files with a specific end goal to enhance the fabricate time and efficiency of the executable application creation, a prerequisite that carries over to Objective-C.
Quick drops the two-file prerequisite. Xcode and the LLVM compiler can make sense of dependencies and perform incremental forms automatically in Swift 1.2. Accordingly, the dreary assignment of isolating the chapter by chapter guide (header file) from the body (usage file) is a relic of days gone by. Quick combines the Objective-C header (.h) and usage files (.m) into a solitary code file (.quick).
Objective-C’s two-file framework forces extra work on programmers – and it’s work that distracts programmers from the master plan. In Objective-C you need to physically synchronize strategy names and comments between files, ideally utilizing a standard convention, however, this isn’t ensured unless the group has principles and code surveys in place.
Xcode and the LLVM compiler can do work in the background to reduce the workload on the developer. With Swift, programmers do less accounting and can invest more energy creating application logic. Swift shades out standard work and enhances the nature of code, comments, and elements that are upheld.
One fascinating aspect of Objective-C is the path in which pointers – particularly nil (invalid) pointers – are taken care of. In Objective-C, nothing happens in the event that you attempt to call a technique with a pointer variable that is nil (uninitialized). The expression becomes a no-operation, keeping in mind it may appear to be beneficial that it doesn’t crash, it has been an enormous source of bugs. A no-operation prompts unpredictable behavior, which is the adversary of programmers attempting to discover and resolve an irregular crash or to jam the errors.
Discretionary types make the likelihood of a nil discretionary esteem clear in Swift code, which implies it can create a compiler blunder as you compose wrong/false code. This creates a short feedback cycle and enables programmers to code with aim. Issues can be sorted out as code is composed, which significantly reduces the measure of time and cash that you will spend on settling bugs identified with pointer logic from Objective-C.
Generally, in Objective-C, if a value has come back from a method, it has to be the software engineer’s obligation to document the behavior of the pointer variable returned. In Swift, the discretionary and esteem types make it explicitly clear in the method definition if the value resides or in case – it has the possibility to be optional.