/** Given two sets of strings (stored in two arrays), determine if they are the same set i.e. contain the same set of strings */ public class SetChecker { public static void main(String[] args) { String[] setA = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; String[] setB = {"January", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};

System.out.print("The elements of the arrays setA and setB ");

if (!sameSet(setA, setB)) { System.out.print("do not "); } System.out.println("form the same set."); System.out.println("Expected: The elements of the arrays setA and setB do not form the same set." ); String[] setWinterA = {"Jan", "Feb", "Mar", "Apr"}; String[] setWinterB = {"Jan", "Mar", "Apr", "Feb"};

System.out.print("The elements of the arrays setWinterA and setWinterB ");

if (!sameSet(setWinterA, setWinterB)) { System.out.print("do not "); } System.out.println("form the same set."); System.out.println("Expected: The elements of the arrays setWinterA and setWinterB form the same set." ); } public static boolean sameSet(String[] a, String[] b) { for (int i = 0; i < a.length; i++) { if (!isIn(a[i], b)) { return false; } } for (int i = 0; i < b.length; i++) { if (!isIn(b[i], a)) { return false; } } return true; } /** Determines if a string is part of a set of strings @param String elem - the element to search for @param String[] set - the set of strings stored in an array @return true or false */ public static boolean isIn(String elem, String[] set) { //-----------Start below here. To do: approximate lines of code = 4 // go through the parameter array named set and check if an element (string) in the array // is equal to the given string parameter elem. If elem is in the set, return true // After checking through the entire set, if the method hasn't already returned, then return false // Hint: don't forget to use .equals() method to compare two strings!! //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions. } }