look up Java docyment for Calendar class. List three methods and write one sample statment to call the method ( assume variable declared and values assigned) Solution java.util.Calandar; // Calendar class is under util package Calendar cal=Calendar.getInstance(); 1) public abstract void add(int field,int amount) This method is used add or subtract specific time calling; cal.add(Calendar.DATE,20); 2) public boolean after(Object when) This method returns whether this Calendar\'s time is after the time represented by specific object(when) if(future.after(cal)){} 3)public int get(int field) this method returns the value of the given calendar field get(Calendar.YEAR) .