Re:A Haskell Programmer Tries to Learn Racket
by chc on Wednesday April 16, 2014 @01:35PM
(#7599201)
C++ is similar with regards to C code. They're compatible enough that a lot of people will write "C/C++", but they're still incompatible enough that you'll get yelled at by a lot of people if you write "C/C++".
Java 6 and 7 are "almost completely compatible".
Most programs written in Java 6 will run in Java 7, and vice versa. But not all.