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Apple App Development with Swift Certified User Sample Questions:

1. You need to create a Watchpoint in Xcode. In which order should you complete the actions? Move all the actions to the answer area and place them in the correct order.

2. Review the code snippet.

The code snippet does not compile.
Which two actions will fix the errors? (Choose 2.)

A) Change totalCost from let to var to make it mutable.
B) Change shipping from let to var to make it mutable.
C) Change the initial value of totalCost from o to 0.0.
D) Change the type of quantity from int to Double .
E) Chang the type of unitPrice from Double to Int.

3. Select the area in Xcode that allows you to display the Preview Canvas.

4. Review the code.

When entered into the TextField, which number will display a blue canvas on the SecondView?

A) 1
B) 3
C) 2
D) 4

5. You have a set of Views within a ZStack that produce the screen below:

Arrange the lines of code that will make up the ZSlack so that the View appears as shown.

Solutions: