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C++ Programming Tutorials - while Loops Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
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FAQs on C++ Programming Tutorials - while Loops Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What is a while loop in C programming? |  |
Ans. A while loop is a control flow statement that allows a certain block of code to be executed repeatedly as long as a specific condition is true. It is a pre-tested loop, meaning that the condition is checked before each iteration.
| 2. How does a while loop work in C programming? | |
Ans. When a while loop is encountered, the condition is checked. If the condition is true, the block of code inside the loop is executed. After the execution, the condition is checked again. This process continues until the condition becomes false, at which point the loop terminates, and the program execution continues with the next statement after the loop.
| 3. What is the difference between a while loop and a do-while loop in C programming? | |
Ans. The main difference between a while loop and a do-while loop in C programming is that a while loop checks the condition before executing the block of code, while a do-while loop checks the condition after executing the block of code. This means that a do-while loop always executes the block of code at least once, even if the condition is initially false.
| 4. How can I terminate a while loop in C programming? | |
Ans. To terminate a while loop in C programming, you can use the break statement. When the break statement is encountered inside the loop, the control immediately exits the loop, and the program execution continues with the next statement after the loop.
| 5. Can I use a while loop without any condition in C programming? | |
Ans. No, a while loop in C programming requires a condition to be specified. The condition is evaluated before each iteration, and if it is false initially, the loop is never executed. If you want to create an infinite loop, you can use a condition that is always true, such as "while(1)" or "while(true)". However, it is important to include a mechanism to break out of the infinite loop, such as a break statement.
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Nov 22, 2024 Last updated |
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