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Loops in C++ Video Lecture | Crash Course for EmSAT Achieve
FAQs on Loops in C++ Video Lecture - Crash Course for EmSAT Achieve
| 1. What is a for loop in C? |  |
Ans. A for loop is a control structure in C programming that allows a certain block of code to be executed repeatedly until a specific condition is met. It consists of three parts: initialization, condition, and increment/decrement.
| 2. How does a for loop work in C? | |
Ans. A for loop works by initializing a variable, checking a condition, and executing a block of code repeatedly until the condition becomes false. After each iteration, the increment/decrement statement is executed, and the loop continues until the condition is no longer true.
| 3. What is the syntax of a for loop in C? | |
Ans. The syntax of a for loop in C is as follows:
```
for (initialization; condition; increment/decrement) {
// code to be executed
}
```
The initialization statement is executed only once at the beginning. The condition is checked before each iteration, and if it evaluates to true, the code inside the loop is executed. After each iteration, the increment/decrement statement is executed.
| 4. Can the initialization, condition, and increment/decrement statements in a for loop be omitted? | |
Ans. Yes, all three parts of a for loop in C can be omitted. If the initialization statement is omitted, it is assumed that the loop variable is already initialized. If the condition is omitted, it is considered true by default. If the increment/decrement statement is omitted, there should be an alternative way to modify the loop variable within the loop's code.
| 5. How can I exit a for loop prematurely in C? | |
Ans. To exit a for loop prematurely in C, you can use the `break` statement. When the `break` statement is encountered within a loop, the loop is immediately terminated, and the program execution continues with the next statement after the loop.
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Nov 24, 2024 Last updated |
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