Chapter 4
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Created by:
dreaminatnite on March 26, 2012
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19 terms
Terms | Definitions |
|---|---|
 loop control variable | a variable that determines whether a loop will continue |
| definite loop | one for which the number of repetitions is a predetermined value |
| counted loop or counter-controlled loop | is a loop whose repetitions are managed by a counter |
| Incrementing | a variable is adding a constant value to it, frequently 1 |
| Decrementing | a variable is decreasing it by a constant value, frenquently 1 |
| counter | any numeric variable you use to count the number of times an event has occured |
| indefinite loop | one for which you cannot predetermine the number of executions |
| Nested loops | occur when a loop structure exists within another loop structure |
| outer loop | contains another when loops are nested |
| inner loop | contained within another when loops are nested |
| stub | a method without statements that is used as a placeholder |
| for statement or for loop | can be used to code definite loops. The for statement contains a loop control variable that it automatically initializes, evaluates, and increments |
| step value | a number you use to increase a loop control variable on each pass through a loop |
| summary report | lists only totals, without individual detail records |
| accumulater | a variable that you use to gather or accumulate values |
| validate data | to make sure data items are meaningful and useful |
| Defensive programming | a technique with which you try to prepare for all possible errors before they occur |
| GIGO ("garbage in, garbage out") | if your input is incorrect, your output is worthless |
| Forcing | a data item means you override incorrect data by setting it to a specific value |
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