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Trail: Learning the Java Language
Lesson: Object Basics and Simple Data Objects

## Questions and Exercises: Arrays

### Questions

> 1. What is the index of `Brighton` in the following array?

>    >     String[] skiResorts = {
>    >         "Whistler Blackcomb", "Squaw Valley", "Brighton",
>    >         "Snowmass", "Sun Valley", "Taos"
>    >     };

> 2. Write an expression that refers to the string `Brighton` within the array.
> 3. What is the value of the expression `skiResorts.length`?
> 4. What is the index of the last item in the array?
> 5. What is the value of the expression `skiResorts[4]`?

### Exercises

> 1. The following program, `WhatHappens`, contains a bug. Find it and fix it.

>    >     //
>    >     // This program compiles but won't run successfully.
>    >     //
>    >     public class WhatHappens {
>    >         public static void main(String[] args) {
>    >             StringBuffer[] stringBuffers = new StringBuffer[10];

>    >             for (int i = 0; i < stringBuffers.length; i ++) {
>    >                 stringBuffers[i].append("StringBuffer at index " + i);
>    >             }
>    >         }
>    >     }

Check your answers.

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