Program for simulation of mutual exclusion with the use of semaphores

This java program simulates the use mutual exclusion using semaphores. The program involves four processes named process 1,2,3,4 who are competing for critical sections A,B,C,D,E,F,G. with a semaphore A for critical section A,sem Z for B,semC for B,sem D for section E, ,sem F for section F and lastly sem G for section G .