Week 7 Check-In: Array Lists & Intro to Git

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5 Question Quiz

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1. Which of the following statements are true? Select all that apply (there can be more than one answer).

5 points

ArrayLists can grow or shrink in size

Arrays can grow or shrink in size

You can only store primitive data types in Arrays

You can only store non-primitive data types in ArrayLists

You can store both primitive and non-primitive data types in ArrayLists

Suppose the following ArrayList called names is defined (below). It contains the names of students present in class. Use this ArrayList for Questions 2, 3, and 4.

2. What will the ArrayList look like after the following line of code? *

5 points

{ "Roaa", "Bashar", "Kinda", "Waleed", "Mohammed", "Bakr" }

{ "Roaa", "Bakr", "Bashar", "Kinda", "Waleed" }

{ "Roaa", "Bakr", "Kinda", "Waleed", "Mohammed" }

{ "Bakr", "Roaa", "Bashar", "Kinda", "Waleed", "Mohammed" }

{ "Roaa", "Bakr", "Bashar", "Kinda", "Waleed", "Mohammed" }

3. What will the ArrayList look like after the following line of code? *

5 points

{"Roaa", "Bashar", "Kinda", "Waleed", "Mohammed"}

{"Roaa", "Bashar", "Kinda", "Mohammed", "Yamama"}

{"Roaa", "Bashar", "Kinda", "Mohammed"}

{"Roaa", "Bashar", "Waleed", "Mohammed"}

{"Roaa", "Bashar", "Kinda", "Waleed"}

4. What is the size of the ArrayList? *

5 points

5. When would you use Git for version control? Select all that apply (there can be more than one answer). *

5 points

When there are many people working on a project

When you have a lot of java files

When you have a single java file for a small assignment

When you make a mistake in your code and want to go back to a working version

When you want to see all the changes you have made to your project

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