Computer Programming 2 Term 1 Review

Which of the following creates an int array of size 10?

• int[10] myArray = new int[10];

• int[] myArray = new int[10];

• int[] myArray = { 10 };

• int myArray[] = int[] * 10;

How do I create an ArrayList to hold Strings?

• ArrayList<String> myArray = new ArrayList<String>();

• String ArrayList myArray = new String ArrayList();

• ArrayList myArray = new ArrayList.ofType(String);

• ArrayList myArray = new ArrayList(String);

How do I add a String called myString to an ArrayList called myArray?

• myArray[0] = myString;

• myArray.add(myString);

• myString.addTo(myArray);

• myArray += myString;

What does the following code do?

int[] myArray = new int[10];

myArray[10] = 100;

• Assigns the int 100 to position 10 in the array.

• Throw an error

• Resize the array from 10 to 100

I have an Integer ArrayList named myArray. I want to add the number 99 to my list, but I want to guarantee it will show up at the very front. How do I do this?

• myArray.add(99);

• myArray.add(1, 99);

• myArray.add(0, 99);

• myArray.front(99);

If I have the following Strings contained in an ArrayList

"Dog"

"Cat"

"Bird"

What would the index of "Cat" be if I remove "Dog"?

• 0

• 1

• 2

• 3

How do I remove an object from an ArrayList myArray?

The object I want to remove is at index 0.

• myArray.remove(0);

• myArray.remove(myArray[0]);

• myArray.delete(0);

• myArray.get(0) = null;

If I have the following Strings in a String array named myArray

"Dog"

"Cat"

"Bird"

How do I replace "Dog" with "Elephant"?

• myArray.set(0, "Elephant");

• myArray[0] = "Elephant";

• myArray.get(0) = "Elephant";

• Array.replace(myArray, 0, "Elephant");

If I have the following Strings in a String ArrayList named myArray

"Dog"

"Cat"

"Bird"

How do I replace "Dog" with "Elephant"?

• myArray.set(0, "Elephant");

• myArray[0] = "Elephant";

• myArray.get(0) = "Elephant";

• ArrayList.replace(myArray, 0, "Elephant");

How would I get just "Programming" out of the String myString = "Computer Programming"?

• myString.substring(9);

• myString.substring(0, 9);

• myString.get("Programming");

• myString.find("Programming");