In Java,

/** What is a method that Determines whether this Date is before the Date d. * @return true if and only if this Date is before d. */ public boolean isBefore(Date d) { if(this.date.isBefore(d)) { // replace this line with your solution }

/** Determines whether this Date is after the Date d. * @return true if and only if this Date is after d.

public boolean isAfter (Date d)

{ } */ public boolean isAfter(Date d) { // replace this line with your solution }

/** What is a method that Returns the number of this Date in the year. * @return a number n in the range 1...366, inclusive, such that this Date * is the nth day of its year. (366 is used only for December 31 in a leap year)

public int difference (date d) * year.) */ public int dayInYear() { return 0; }

/** Determines the difference in days between d and this Date. For example, * if this Date is 12/15/2012 and d is 12/14/2012, the difference is 1. * If this Date occurs before d, the result is negative. * @return the difference in days between d and this date. */ public int difference(Date d) { return 0; // replace this line with your solution }