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Bubble Sort
Sorting algorithms
Live
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Bubble sort only ever compares neighbours. Nothing may jump across the row.
Step 1 of 27
Four minutes, four moves
The format never changes, so you always know what a lesson costs you.
- 01
Watch
A short animation shows the idea moving before a single word explains it.
- 02
Read
Under 150 words. One real-world example. Working code you can read in one breath.
- 03
Do
One exercise — predict the output, order the steps, fill the blank.
- 04
Check
Three quick questions with a one-line reason for each answer.
The curriculum
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