Topic 6.1 Video 1

Did you view the video from beginning to end without increasing the speed?

• Yes

• No

What is a java array?

• A java array is a type of coffee drink
• A java array is a type of tropical fruit
• A java array is a type of programming language
• An array in Java is a collection of the same type of elements.

What is an element?

• A method used to access the array
• A string of characters in the array
• The total number of elements in the array
• A specific value stored at a particular index within the array

What is an index?

• The name of the array
• The data type of the array
• The size of the array
• Position of an element within the array

double [ ] myRate = new double [5];

System.out.println (myRate[myRate.length]);

What is the output?

• IndexOutOfBoundsException
• NullPointerException
• 0.0

• ArrayIndexOutOfBoundsException

int [] myData = {2, 18, 3, 7, 8};

System.out.println(myData.length);

What is the output?

• 2

• 6

• 5

• 4