diff options
Diffstat (limited to 'src/de/fhswf/in/inf/java1/aufgabe06/Aufgabe6.java')
| -rw-r--r-- | src/de/fhswf/in/inf/java1/aufgabe06/Aufgabe6.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/de/fhswf/in/inf/java1/aufgabe06/Aufgabe6.java b/src/de/fhswf/in/inf/java1/aufgabe06/Aufgabe6.java new file mode 100644 index 0000000..0f40448 --- /dev/null +++ b/src/de/fhswf/in/inf/java1/aufgabe06/Aufgabe6.java @@ -0,0 +1,81 @@ +/** + * + */ +package de.fhswf.in.inf.java1.aufgabe06; + +import java.util.Iterator; +import java.util.Vector; + +/** + * Main function for testing Vectors and Lists. + * + * @author $Author: $ + * @version $Revision: $, $Date: $ UTC + */ +public final class Aufgabe6 +{ + + /** + * Prevents instantiation of the utility class. + * + */ + private Aufgabe6() + { + } + + /** + * Main function for testing Vectors and Lists. + * + * @param args + * Command line arguments. + */ + public static void main(String[] args) + { + final int testLength = 10000000; + Vector<Integer> test = new Vector<>(testLength); + Integer testGet; + + for (int i = 0; i < test.capacity(); i++) + { + test.add(i); + } + + long start; + start = System.currentTimeMillis(); // Gets current time in ms + + for (int i = 0; i < test.size(); i++) + { + testGet = test.elementAt(i); + } + + // Calculates the runtime of for + System.out.println("Elapsed time: " + + (System.currentTimeMillis() - start) + " ms"); + + start = System.currentTimeMillis(); // Gets current time in ms + + for (Iterator<Integer> it = test.iterator(); it.hasNext();) + { + testGet = it.next(); + } + + // Calculates the runtime of for + System.out.println("Elapsed time: " + + (System.currentTimeMillis() - start) + " ms"); + + start = System.currentTimeMillis(); // Gets current time in ms + + for (Integer integer : test) + { + testGet = integer; + } + + // Calculates the runtime of foreach + System.out.println("Elapsed time: " + + (System.currentTimeMillis() - start) + " ms"); + + ListBenchmark.startBenchmark(); + + } + +} |
