Code Review Exercise

CodeReviewEx.java

public class CodeReviewEx {
    public static void main(String[] args) {
        System.out.println("This will be printed");
    }
	/* Q1 ~ Q6 (dayOfYear) */
    public static int dayOfYear(int month, int dayOfMonth, int year) {
	    if (month == 2) {
	        dayOfMonth += 31;
	    } else if (month == 3) {
	        dayOfMonth += 59;
	    } else if (month == 4) {
	        dayOfMonth += 90;
	    } else if (month == 5) {
	        dayOfMonth += 31 + 28 + 31 + 30;
	    } else if (month == 6) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31;
	    } else if (month == 7) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30;
	    } else if (month == 8) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30 + 31;
	    } else if (month == 9) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30 + 31 + 30;
	    } else if (month == 10) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30 + 31 + 30 + 30;
	    } else if (month == 11) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30 + 31 + 30 + 30 + 31;
	    } else if (month == 12) {
	        dayOfMonth += 31 + 28 + 31 + 30 + 31 + 30 + 31 + 30 + 30 + 31 + 31;
	    }
	    return dayOfMonth;
	}
	/* Q7 ~ Q10 (leap) */
	public static boolean leap(int y) {
		String tmp = String.valueOf(y);
		if (tmp.charAt(2) == '1' || tmp.charAt(2) == '3' || tmp.charAt(2) == 5 || tmp.charAt(2) == '7' || tmp.charAt(2) == '9') {
			if (tmp.charAt(3)=='2'||tmp.charAt(3)=='6') return true; /*R1*/
			else
				return false; /*R2*/
		}else{
			if (tmp.charAt(2) == '0' && tmp.charAt(3) == '0') {
				return false; /*R3*/
			}
			if (tmp.charAt(3)=='0'||tmp.charAt(3)=='4'||tmp.charAt(3)=='8')return true; /*R4*/
		}
		return false; /*R5*/
	}
	/* Q11 ~ Q12 (countLongWords) */
	public static int LONG_WORD_LENGTH = 5;
	public static String longestWord;

	public static void countLongWords(List<String> words) {
	   int n = 0;
	   longestWord = "";
	   for (String word: words) {
		   if (word.length() > LONG_WORD_LENGTH) ++n;
		   if (word.length() > longestWord.length()) longestWord = word;
	   }
	   System.out.println(n);
	}

}