brainGamesJava

There are several console games on java:

1. Calculation - need to calculate result of the expression.
2. Even - need to answer "yes" if number even otherwise answer "no".
3. Gcd - need to find the greatest common divisor of given numbers.
4. Prime - need to answer "yes" if given number is prime. Otherwise answer "no".
5. Progression - need to find which number is missing in the progression.
6. GuessNum - need to guess the number from 0 to 10 using hints.