IT 114: Introduction to Java - Answers to Class 15 Ungraded Quiz

IT 114: Introduction to Java
Answers to Class 15 Ungraded Quiz

If you had an array numbers, what would you write to get the first value?
```
numbers[0]
```
If the array numbers contained 5 values, what would you write to get the last value?
```
numbers[4]
```
What do you call the values in an array?
```
elements
```
Can an array contain values of different data types?
```
no
```
Can you change the size of an array after you have declared it?
```
no
```
What would you write if you wanted to change the 2nd value in the array numbers to 6?
```
numbers[1] = 6
```
What do you call the number that specifies a particular value inside an array?
```
an index
```
What expression would you write to get the length of the array numbers?
```
numbers.length
```
Rewrite the statement below using and augmented assignment operator.
```
x = x + 1
```
```
x += 1
```
Rewrite the statement below using and augmented assignment operator.
```
y = y - 1
```
```
y -= 1
```