Keeping the fact in mind that Sasha wants to work as a program developer of iPhone applications, she will have to make use of the native language Objective-C.
Objective-C
Explanation:
The iPhone applications and interface work on iPhone Operation System or IOS, that make them completely different from the android and other operating systems currently being used in smartphones.
Moreover, Apple Inc. took a decision to use native languages like Objective-C for application development in the IOS environment because it cost them less as compared to other languages and the performance parameter also stands high and unaffected.
