com\summer\test6\lottery\Combination.java
...\......\.....\.......\Lottery.java
...\......\.....\.......\MyTest.java
...\......\.....\rational\IllegalRationalException.java
...\......\.....\........\InverseComparator.java
...\......\.....\........\MyTest.java
...\......\.....\........\Rational.java
...\......\.....\lottery
...\......\.....\rational
...\......\test6
...\summer
com