What is the key characteristic of the do…while loop compared to the while loop?
Understand the Problem
The question is asking to identify the main distinguishing feature of a do...while loop in comparison to a while loop, specifically focusing on their differences in execution and condition testing.
Answer
The block of code is executed at least once before the condition is checked.
The key characteristic of the do-while loop is that it executes the block of code at least once before checking the loop's condition.
Answer for screen readers
The key characteristic of the do-while loop is that it executes the block of code at least once before checking the loop's condition.
More Information
In a do-while loop, the condition is evaluated after the execution of the loop's body, ensuring the loop's body runs at least once. This contrasts with a while loop, which checks the condition before the body's first execution and may not run at all if the condition is false.
Tips
A common mistake is assuming that a do-while loop will not execute if the condition is false initially. Always remember that a do-while loop executes at least once.
Sources
- Difference between while and do-while loop in C, C++, Java - Geeks for Geeks - geeksforgeeks.org
- Difference between While Loop and Do While Loop in Programming - Geeks for Geeks - geeksforgeeks.org
- Difference between while loop and do-while loop - Stack Overflow - stackoverflow.com
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