After C things start becoming very subjective. C++'s standard library goes beyond C's. Java's standard library goes beyond C++'s. Then, having a standard libr

After C things start becoming very subjective. C++'s standard library goes beyond C's. Java's standard library goes beyond C++'s. Then, having a standard library is necessary for compatibility. e.g: in C++ you can go and use something like Boost or POCO but then they might not play well with each other and you will need some glue code. Those "glue code" problems are extremely time consuming.