Question
/** Given two sets of strings (stored in two arrays), determine if they are the same set i.e. contain the same set of strings */
/**
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:\nThe 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:\nThe 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.
}
}
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