vector vs arraylist

ArrayListTest

/**
 * 
 */
package test;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;

import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/**
 * @author earteaga
 *
 */
@RunWith(Parameterized.class)
public class ArrayListTest {
  
  @Parameters
  public static Collection<Object[]> data() {

    return Arrays.asList(
        new Object[][] { 
            { 10, 10 },
            { 10, 100 },
            { 10, 1000 },
            { 100, 10 },
            { 100, 100 },
            { 100, 1000 },
            { 1000, 10 },
            { 1000, 100 },
            { 1000, 1000 },
            { 10000, 10 },
            { 10000, 100 },
            { 10000, 1000 },
            { 100000, 10 },
            { 100000, 100 },
            { 100000, 1000 },
            { 1000000, 10 },
            { 1000000, 100 },
            { 1000000, 1000 }
        });
  }
  
  @Test
  public void test() {
    long t = 0;
    
    for(int j = 0; j < testCicles; j++) {
      t0 = System.currentTimeMillis();
      arrayList = new ArrayList<Integer>(dataQTY);

      for(int i = 0; i < dataQTY; i++) {
        arrayList.add(i);
      }
      
      t = System.currentTimeMillis() - t0;
      tt += t;
      //System.out.printf("%d elementos en ArrayList tarda %d%n", dataQTY, t);
    }    
  }

  /**
   * @throws java.lang.Exception
   */
  @After
  public void tearDown() throws Exception {
    arrayList.clear();
    arrayList = null;
    System.out.printf("%d ciclos de insercion de %d elementos en ArrayList tarda %d%n", testCicles, dataQTY, tt);
  }

  /**
   * @param dataQTY
   * @param testCicles
   * @param incRate
   */
  public ArrayListTest(int dataQTY, int testCicles) {

    super();
    this.dataQTY = dataQTY;
    this.testCicles = testCicles;
  }

  private int dataQTY;
  
  private int testCicles;
  
  private long t0;
  
  private long tt = 0;
  
  private ArrayList<Integer> arrayList;
}

VectorTest

/**
 * 
 */
package test;

import java.util.Arrays;
import java.util.Collection;
import java.util.Vector;

import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/**
 * @author earteaga
 *
 */
@RunWith(Parameterized.class)
public class VectorTest {
  
  @Parameters
  public static Collection<Object[]> data() {

    return Arrays.asList(
        new Object[][] { 
            { 10, 10 },
            { 10, 100 },
            { 10, 1000 },
            { 100, 10 },
            { 100, 100 },
            { 100, 1000 },
            { 1000, 10 },
            { 1000, 100 },
            { 1000, 1000 },
            { 10000, 10 },
            { 10000, 100 },
            { 10000, 1000 },
            { 100000, 10 },
            { 100000, 100 },
            { 100000, 1000 },
            { 1000000, 10 },
            { 1000000, 100 },
            { 1000000, 1000 }
        });
  }
  
  @Test
  public void test() {
    long t = 0;
    
    for(int j = 0; j < testCicles; j++) {
      t0 = System.currentTimeMillis();
      vector = new Vector<Integer>(dataQTY, (int) (dataQTY * INC_RATE));

      for(int i = 0; i < dataQTY; i++) {
        vector.add(i);
      }
      
      vector.clear();
      
      t = System.currentTimeMillis() - t0;
      tt += t;
      //System.out.printf("%d elementos en ArrayList tarda %d%n", dataQTY, t);
    } 
  }

  /**
   * @throws java.lang.Exception
   */
  @After
  public void tearDown() throws Exception {
    vector = null;
    System.out
        .printf(
            "%d ciclos de insercion de %d elementos en Vector tarda %d, con %d porciento de incremento en la capacidad incial\n",
            testCicles, dataQTY, tt, (int) (INC_RATE * 100));
  }

  /**
   * @param dataQTY
   * @param testCicles
   * @param incRate
   */
  public VectorTest(int dataQTY, int testCicles) {

    super();
    this.dataQTY = dataQTY;
    this.testCicles = testCicles;
  }

  private int dataQTY;
  
  private int testCicles;
  
  private long t0;
  
  private long tt = 0;
  
  private Vector<Integer> vector;
  
  private static final double INC_RATE = 1.0;
}