Name Print | Do While Loop | Lecture #73 #cprogramming #coding #c #hindi

🔁 What is a do-while loop in C?
A do-while loop in C is a post-test loop used to execute a block of code at least once, and then repeatedly as long as a specified condition is true.

📌 Key Characteristics:
Post-condition loop – The condition is checked after executing the loop body.

Guaranteed one execution – The statements inside the loop always run at least once, regardless of whether the condition is true or false initially.

Used when at least one execution is required before checking a condition – such as in menus, input validation, or repetitive user prompts.
🔄 How it works:
The program enters the loop and executes the statements inside the loop body.

After the block is executed, the condition is evaluated.

If the condition is true, the loop repeats.

If the condition is false, the loop terminates, and the program continues with the next statement after the loop.
🆚 Difference from while loop:
In a while loop, the condition is checked before the first execution. If the condition is false, the loop may not run at all.

In a do-while loop, the condition is checked after, so the loop always runs at least once.

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