public class LinkedList {不能使用 LinkedList作为类名 ,和人家API的类名冲突import java.util.*; class Student{ String name; Student(String name){ this.name=name;
} public String getName(){ return name; } } public class LinkedListTest { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub List<Student> list=new LinkedList<Student>(); for(int k=1;k<=100;k++){ list.add(new Student("I am "+k)); } Iterator<Student> iter=list.iterator(); long time1=System.currentTimeMillis(); while (iter.hasNext()){ Student te=iter.next(); System.out.println(te.getName()); } long time2=System.currentTimeMillis(); System.out.println("用时"+(time2-time1)+"毫秒");} } D:\javapram>java LinkedListTest I am 1 I am 2 I am 3 I am 4 I am 5 I am 6 I am 7 I am 8 I am 9 I am 10 I am 11 I am 12 I am 13 I am 14 I am 15 I am 16 I am 17 I am 18 I am 19 I am 20 I am 21 I am 22 I am 23 I am 24 I am 25 I am 26 I am 27 I am 28 I am 29 I am 30 I am 31 I am 32 I am 33 I am 34 I am 35 I am 36 I am 37 I am 38 I am 39 I am 40 I am 41 I am 42 I am 43 I am 44 I am 45 I am 46 I am 47 I am 48 I am 49 I am 50 I am 51 I am 52 I am 53 I am 54 I am 55 I am 56 I am 57 I am 58 I am 59 I am 60 I am 61 I am 62 I am 63 I am 64 I am 65 I am 66 I am 67 I am 68 I am 69 I am 70 I am 71 I am 72 I am 73 I am 74 I am 75 I am 76 I am 77 I am 78 I am 79 I am 80 I am 81 I am 82 I am 83 I am 84 I am 85 I am 86 I am 87 I am 88 I am 89 I am 90 I am 91 I am 92 I am 93 I am 94 I am 95 I am 96 I am 97 I am 98 I am 99 I am 100 用时62毫秒D:\javapram>
class Student{
String name;
Student(String name){
this.name=name;
}
public String getName(){
return name;
}
}
public class LinkedListTest { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
List<Student> list=new LinkedList<Student>();
for(int k=1;k<=100;k++){
list.add(new Student("I am "+k));
}
Iterator<Student> iter=list.iterator();
long time1=System.currentTimeMillis();
while (iter.hasNext()){
Student te=iter.next();
System.out.println(te.getName());
}
long time2=System.currentTimeMillis();
System.out.println("用时"+(time2-time1)+"毫秒");}
}
D:\javapram>java LinkedListTest
I am 1
I am 2
I am 3
I am 4
I am 5
I am 6
I am 7
I am 8
I am 9
I am 10
I am 11
I am 12
I am 13
I am 14
I am 15
I am 16
I am 17
I am 18
I am 19
I am 20
I am 21
I am 22
I am 23
I am 24
I am 25
I am 26
I am 27
I am 28
I am 29
I am 30
I am 31
I am 32
I am 33
I am 34
I am 35
I am 36
I am 37
I am 38
I am 39
I am 40
I am 41
I am 42
I am 43
I am 44
I am 45
I am 46
I am 47
I am 48
I am 49
I am 50
I am 51
I am 52
I am 53
I am 54
I am 55
I am 56
I am 57
I am 58
I am 59
I am 60
I am 61
I am 62
I am 63
I am 64
I am 65
I am 66
I am 67
I am 68
I am 69
I am 70
I am 71
I am 72
I am 73
I am 74
I am 75
I am 76
I am 77
I am 78
I am 79
I am 80
I am 81
I am 82
I am 83
I am 84
I am 85
I am 86
I am 87
I am 88
I am 89
I am 90
I am 91
I am 92
I am 93
I am 94
I am 95
I am 96
I am 97
I am 98
I am 99
I am 100
用时62毫秒D:\javapram>