public class firsthwk
{
public static int nameCheck (char[] names)
{
// Effects: samples a list of names and counts how many blanks
   int blankCount = 0;
   for (int i = names.length; i > 1; i--)
   {
      if (names[i-1] == ' ')
      {
         blankCount++;
      }
   }
   return blankCount;
}

// Run one test, print and check results
private static void runTest (int testNum, char[] testIn, int expectedOut)
{
   int actualOut;
   actualOut = nameCheck (testIn);
   System.out.print ("Test #" + testNum + ", num blanks: " + actualOut + " ... expected output: " + expectedOut);
   if (actualOut != expectedOut)
      System.out.print ("   *** FAILURE ***");
   System.out.println ();
}

// Test harness for nameCheck()
public static void main (String args[])
{
   int expectedOut;
   // Test driver -- method calls to nameCheck()
   // three blanks at the beginning
   char arr1 [] = {' ', ' ', ' ', 'c', 'd'};
   expectedOut = 3;
   runTest (1, arr1, expectedOut);

   // A blank in the middle and at the end.
   char arr2 [] = {'a', 'b', ' ', 'c', ' '};
   expectedOut = 2;
   runTest (2, arr2, expectedOut);

   // No elements
   char arr3 [] = {};
   expectedOut = 0;
   runTest (3, arr3, expectedOut);

   // Null array
   // (Does not compile under Java 1.5)
   // char arr4 [];
   // expectedOut = 0;
   // runTest (4, arr4, expectedOut);
}
}