JFLAP (Java Formal Languages and Automata Package) is a powerful tool that helps visualize and simulate various formal language concepts like finite automata, pushdown automata, Turing machines, and ...

A non-deterministic pushdown automaton (PDA) implemented in JFLAP that accepts strings of the form a#b where a and b are strings over the alphabet {x,y}, a is not equal to b, and there exists at le ...