Microsoft Visual Basic 2008: Reloaded Third Edition

1. Microsoft Visual Basic 2008: Reloaded Third Edition Chapter Nine Arrays

2. Microsoft Visual Basic 2008: Reloaded, Third Edition 2 Objectives After studying this chapter, you should be able to: Declare and initialize a one-dimensional array Store data in a one-dimensional array Display the contents of a one-dimensional array Code a loop using the For Each…Next statement Access an element in a one-dimensional array Search a one-dimensional array Compute the average of a one-dimensional array’s contents

3. Microsoft Visual Basic 2008: Reloaded, Third Edition 3 Objectives (continued) Find the highest entry in a one-dimensional array Update the contents of a one-dimensional array Sort a one-dimensional array Create and manipulate parallel one-dimensional arrays Create and initialize a two-dimensional array Store data in a two-dimensional array Search a two-dimensional array

4. Microsoft Visual Basic 2008: Reloaded, Third Edition 4 Using Arrays Simple variable (or scalar variable): a variable that is unrelated to any other variable in memory Array: A group of variables with the same name and data type that are related in some way Used to temporarily store related data in memory Increases the efficiency of a program Commonly used arrays: One-dimensional Two-dimensional

5. Microsoft Visual Basic 2008: Reloaded, Third Edition 5 One-Dimensional Arrays One-dimensional array: Can be viewed as a column of variables Subscript: A unique number that identifies each variable in a one-dimensional array Starts at 0 for first element in the array Use array name and subscript to refer to each individual variable in the array

6. Microsoft Visual Basic 2008: Reloaded, Third Edition 6 One-Dimensional Arrays (continued)