| 
0102
 03
 04
 05
 06
 07
 08
 09
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 
 | package algs11;
import java.util.Arrays;
import stdlib.*;
public class Playground {
  /* Return number of times 5.0 occurs in the list */
  public static int numFives (double[] a) {
    return StdRandom.uniform (100); //TODO: fix this
  }
  /* This is a test function */
  public static void testNumFives (int expected, double[] list) {
    int actual = numFives (list);
    if (expected != actual) {
      StdOut.format ("Failed: Expecting [%d] Actual [%d] with argument %s\n", expected, actual, Arrays.toString (list));
    }
  }
  /* A main function for testing */
  public static void main (String[] args) {
    testNumFives (3, new double[] { 11, 21, 5, 31, 5, 41, 5, 51});
    testNumFives (4, new double[] { 11, 21, 5, 31, 5, 5, 41, 5, 51});
    testNumFives (4, new double[] { 11, 21, 5, 5, 5, 31, 41, 5, 51});
    testNumFives (0, new double[] { 11, 21, 31, 41 });
    testNumFives (1, new double[] { 11, 21, 5, 31, 41 });
    testNumFives (1, new double[] { 11, 21, 31, 41, 5 });
    testNumFives (1, new double[] { 5, 11, 21, 31, 41 });
    testNumFives (0, new double[] { 11 });
    testNumFives (1, new double[] { 5 });
    testNumFives (3, new double[] { 5, 5, 5 });
    testNumFives (0, new double[] { });
    StdOut.println ("Finished tests");
  }
  /* A main function for debugging -- change the name to "main" to run it */
  public static void main1 (String[] args) {
    //Trace.drawSteps ();
    Trace.drawStepsOfMethod ("numFives");
    Trace.drawStepsOfMethod ("numFivesHelper");
    Trace.run ();
    double[] list = new double[] { 5, 11, 5, 5 };
    double result = numFives (list);
    StdOut.println ("result: " + result);
  }
} |