import java.util.*;
public class ListDemo {
static final int N=50000;
static long timeList(List list){
long start=System.currentTimeMillis();
Object o = new Object();
for(int i=0;i<N;i++)
list.add(0, o);
return System.currentTimeMillis()-start;
}
public static void main(String[] args) {
System.out.println("ArrayList耗时:"+timeList(new ArrayList()));
System.out.println("LinkedList耗时:"+timeList(new LinkedList()));
}
}
这时我的输出结果是:ArrayList耗时:2463