# \[Math\] Intervals: examples of half-open intervals

DevFeed: [\[Math\] Intervals: examples of half-open intervals](<https://devfeed.tech/articles/math-intervals-examples-of-half-open-intervals-20565.md>)

Original publisher: [Read original article](<https://yurichev.com/blog/intervals_half_open/>)

Published: 2025-12-17T23:00:00Z

Content type: tutorial

Language: en

Sources: [Dennis Yurichev](<https://devfeed.tech/sources/dennis-yurichev.md>)

Topics: [math](<https://devfeed.tech/topics/math.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [C](<https://devfeed.tech/topics/c.md>), [C++](<https://devfeed.tech/topics/c-plus-plus.md>), [Java](<https://devfeed.tech/topics/java.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [c](<https://devfeed.tech/tags/c.md>), [c-plus-plus](<https://devfeed.tech/tags/c-plus-plus.md>), [examples](<https://devfeed.tech/tags/examples.md>), [java](<https://devfeed.tech/tags/java.md>), [math](<https://devfeed.tech/tags/math.md>), [programming](<https://devfeed.tech/tags/programming.md>), [python](<https://devfeed.tech/tags/python.md>)

## AI overview

The article explains half-open intervals, written as [begin, end), where the end value is excluded. It gives programming examples, including Python's range(start, stop) and loop conventions in C, C++, Java, and other languages.

## Source excerpt

[Math] Intervals: examples of half-open intervals