1. Make a large tree trunk. 2. Use real leaves to create the rest of the tree. 3. If you can't use real leaves, have students trace their hands on fall colored construction paper. Arrange on the tree trunk to form a tree.
Xcode is an integrated development environment for macOS containing a suite of software development tools developed by Apple for developing software for macOS, iOS, watchOS and tvOS.
The programming language of iOS(and Mac OS) is Objective-C and C. You have to use Xcode platform to develop iOS apps, on the next version that is now available on beta release, Xcode 4 supports also C++. You don't need to use Xcode to develop iOS apps or either Objective C or C++.