Java's lack of unsigned int is widely (but not universally) seen as a deficiency. This is especially true when Java is compared to C#, a very similar language at its core but which does have uint types. Anyway, I have a separate article arguing why Java should not have uint, and many ideas from there can be adapted to C/C++ too: https://www.nayuki.io/page/unsigned-int-considered-harmful-f...