Write a java eclipse program(with comments) to convert a text-le containing expressions (one per line) into post-x expressions outputted to any le of your choice(name what file you used) using a stack with one space between operators and variables (one letter variables) and/or constants (one digit constants)

For example use the following expressions in a text file:

( a + b ) * ( c - d ) / e + f ^ g ( a + b ) / ( c - d ) a + b / c - d (a + b) ^ c / ( d - e ) a / ( b * c ) / ( d * e ) a / b * c / * e