Senior iOS Software Engineer Interview Questions and Answers

Copy creates a new object with the same value, while retain increases the reference count of an existing object.

• Copy creates a new object with the same value, while retain increases the reference count of an existing object.

• Copy returns a retained object, while retain simply increments the retain count of an object.

• Copy is used when you need a new object with the same value, while retain is used to keep an existing object alive.

• Copy is used for value types like NSString, whil...read more

The different steps in ios development include design, development, testing, deployment, and maintenance.

• Design: Planning the app's user interface and features.

• Development: Writing code to implement the design.

• Testing: Checking for bugs and ensuring functionality.

• Deployment: Releasing the app to the App Store.

• Maintenance: Updating the app and fixing issues post-launch.