What is Integer?
In code, a whole number used for counts, indexes, and math without a fractional part.

failed tests = 7 · whole only
In real work
Count the failed tests as an integer so the QA dashboard can chart regressions.
In the illustration
The plunger presses and the ones wheel clicks 6 to 7; a half press springs back and the wheel will not stop between digits.
Change the quantity field in your coding agent from a float to an integer, and show me every place that breaks because of it.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.





