Loops (Topic 4) PDF
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Ronnel O. Cacho
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This document provides a detailed explanation of loops in programming, specifically focusing on `while` loops, `do-while` loops, and `for` loops. The document includes examples in C. It's useful for learning programming fundamentals, especially looping structures.
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LOOPS Topic 4: By Ronnel O. Cacho While Statement Is a loop control structure that allows you to repeatedly execute a block of code as long as a specified condition is true. The general syntax of a while loop is as follows: Here's how a while loop works: 1.The ‘condition’ is evaluated before...
LOOPS Topic 4: By Ronnel O. Cacho While Statement Is a loop control structure that allows you to repeatedly execute a block of code as long as a specified condition is true. The general syntax of a while loop is as follows: Here's how a while loop works: 1.The ‘condition’ is evaluated before entering the loop. If the condition is initially false, the code block inside the loop is skipped, and the program continues with the code following the ‘while’ loop. 2.If the condition is true, the code block inside the loop is executed. 3.After the code block inside the loop is executed, the program returns to the ‘while’ statement and evaluates the condition again. If the condition is still true, the loop continues, and the code block is executed again. 4.This process repeats until the condition becomes false. Once the condition is false, the program exits the while loop and continues with the code following the loop. Here's a simple example of a ‘while’ loop that counts from 1 to 5: In this example, the while loop continues to execute as long as the condition count