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package wp;

import java.sql.Timestamp;

/**

* Created by 王萍 on 2017/8/8 0008.

*/

public class Main {

public static void main(String[] args) {

// List<Timestamp> dateLinkedList = new ArrayList<>(100000000);

// List<Timestamp> dateLinkedList = new LinkedList<>();

Timestamp[] dateLinkedList = new Timestamp[100000000];

// HashSet<Timestamp> dateLinkedList = new HashSet<>(100000000);

long before = System.currentTimeMillis();

Timestamp timestamp = new Timestamp(System.currentTimeMillis());

for (int i = 0; i < 100000000; i++) {

//[List]

// dateLinkedList.add(timestamp);

// timestamp=new Timestamp(System.currentTimeMillis());

// dateLinkedList.add(new Timestamp(System.currentTimeMillis()));

//[Array]

dateLinkedList[i] = timestamp;

timestamp = new Timestamp(System.currentTimeMillis());

//[HashSet]

// dateLinkedList.add(new Timestamp(System.currentTimeMillis()));

}

System.out.println(System.currentTimeMillis() - before);

}

}