Please help me with this question.

public class IncDate extends Date {

public IncDate(int newMonth, int newDay, int newYear) { super(newMonth, newDay, newYear); } // Increments this IncDate to represent the next day. public void increment(){ /* 5. Filling your code here */

/* 5. End of code */ } // reduce this IncDate to represent the previous day. public void reduction(){ /* 6. Filling your code here */

/* 6. End of code */ } }