Strings and Arrays

Question 1

Variables

Answer 1

• reserved memory space used to store values
• only allowed to occupy a fixed amount of memory space (in Java an int is allowed 4 bytes or 32 bits)
• every byte of memory has an address which is where the computer knows to look for a particular value

Question 2

Array

Answer 2

• is simply a series of reserved memory spaces for a fixed number of variables.
• values are physically located next to each other in memory

Question 3

Strings

Answer 3

• a series of alphanumeric characters

- char variables are 2 bytes each