ifとかswitchを使わずにFizzBuzz ref: http://qiita.com/toshi0383/items/c32de4329e0fbb71b511

file0.java

/**
 * FizzBuzz
 */
public class FizzBuzz {
    final String F = "Fizz";
    final String B = "Buzz";
    public void fizzBuzz(int number) {
        for (int i = 1; i < number + 1; i++) {
            boolean fizz = (i % 3 == 0);
            boolean buzz = (i % 5 == 0);
            if (fizz && buzz) {
                output(F);
            } else if (fizz) {
                output(B);
            } else if (buzz) {
                output(F + B);
            } else {
                output(Integer.toString(i));
            }
        }
    }
    private void output(String str) {
        System.out.println(str);
    }
    public static void main(String[] args) {
        new FizzBuzz().fizzBuzz(Integer.parseInt(args[0]));
    }
}

file0.txt

/**
 * FizzBuzz
 */
public class FizzBuzz {
    final String F = "Fizz";
    final String B = "Buzz";
    public void fizzBuzz(int number) {
        for (int i = 1; i < number + 1; i++) {
            boolean fizz = (i % 3 == 0);
            boolean buzz = (i % 5 == 0);
            if (fizz && buzz) {
                output(F);
            } else if (fizz) {
                output(B);
            } else if (buzz) {
                output(F + B);
            } else {
                output(Integer.toString(i));
            }
        }
    }
    private void output(String str) {
        System.out.println(str);
    }
    public static void main(String[] args) {
        new FizzBuzz().fizzBuzz(Integer.parseInt(args[0]));
    }
}

file1.java

/**
 * FizzBuzz 2
 * if文使わないバージョン
 */
public class FizzBuzz2 {
    final String F = "Fizz";
    final String B = "Buzz";
    public void fizzBuzz(int number) {
        for (int i = 1; i < number + 1; i++) {
            boolean fizz = (i % 3 == 0);
            boolean buzz = (i % 5 == 0);
            System.out.println(
                fizz && buzz ? F + B
                : fizz ? F
                : buzz ? B
                : Integer.toString(i)
                );
        }
    }
    public static void main(String[] args) {
        new FizzBuzz2().fizzBuzz(Integer.parseInt(args[0]));
    }
}

file1.txt

/**
 * FizzBuzz 2
 * if文使わないバージョン
 */
public class FizzBuzz2 {
    final String F = "Fizz";
    final String B = "Buzz";
    public void fizzBuzz(int number) {
        for (int i = 1; i < number + 1; i++) {
            boolean fizz = (i % 3 == 0);
            boolean buzz = (i % 5 == 0);
            System.out.println(
                fizz && buzz ? F + B
                : fizz ? F
                : buzz ? B
                : Integer.toString(i)
                );
        }
    }
    public static void main(String[] args) {
        new FizzBuzz2().fizzBuzz(Integer.parseInt(args[0]));
    }
}