Apple App Development with Swift Certified User App-Development-with-Swift-Certified-User Prüfungsfragen mit Lösungen:
1. Review the code.
var capitalCities = [ " USA " : " Washington D.C. " , " Spain " : " Madrid " , " Peru " : " Lima " ] Which two statements add the capital city of " Italy " to the dictionary? (Choose 2.)
A) capitalCities.updateValue( " Rome " , forKey: " Italy " )
B) capitalCities.append([ " Italy " : " Rome " ])
C) capitalCities[ " Italy " ] = " Rome "
D) capitalCities = capitalCities + [ " Italy " : " Rome " ]
E) capitalCities[ " Rome " ] = " Italy "
2. Review the code snippet.
What is the output from each print statement?
3. Complete the code that will add the BlueView to the NavigationStack and present the RedView modally.
|Complete the code by typing in the boxes.
4. Review the code.
Note: You might need to scroll to see the entire block of code.
A breakpoint is set on line 3. When the application is run. it will stop at line 3. You need to debug the code.
Drag each debugging control from the left to the correct instruction on the right. You will receive partial credit for each correct answer
5. 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.
Fragen und Antworten:
| 1. Frage Antwort: A,C | 2. Frage Antwort: Nur für Mitglieder sichtbar | 3. Frage Antwort: Nur für Mitglieder sichtbar | 4. Frage Antwort: Nur für Mitglieder sichtbar | 5. Frage Antwort: Nur für Mitglieder sichtbar |
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