content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *  
   *      http://www.apache.org/licenses/LICENSE-2.0
   *  
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.cobar.util;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author xianmao.hexm
   */
  public class ArrayPerformanceMain {
  
      public void tArray() {
          byte[] a = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
          System.currentTimeMillis();
          long t1 = System.currentTimeMillis();
          for (int x = 0; x < 1000000; x++) {
              byte[][] ab = new byte[10][];
              for (int i = 0; i < ab.length; i++) {
                  ab[i] = a;
              }
          }
          long t2 = System.currentTimeMillis();
          System.out.println("array take time:" + (t2 - t1) + " ms.");
      }
  
      public void tList() {
          byte[] a = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
          System.currentTimeMillis();
          long t1 = System.currentTimeMillis();
          for (int x = 0; x < 1000000; x++) {
              List<byte[]> ab = new ArrayList<byte[]>(10);
              for (int i = 0; i < ab.size(); i++) {
                  ab.add(a);
              }
          }
          long t2 = System.currentTimeMillis();
          System.out.println("list take time:" + (t2 - t1) + " ms.");
      }
  
  }
  