java ËÄÖÖ±éÀúListµÄ·½·¨¼°±È½Ï
	
    
    
	 java ËÄÖÖ±éÀúListµÄ·½·¨¼°±È½Ï
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class ListTest {
	
	public static void main(String args[]){
        List<Long> lists = new ArrayList<Long>();
        for(Long i=0l;i<1000000l;i++){
            lists.add(i);
        }
       
        Long oneOk = oneMethod(lists);
        Long twoOk = twoMethod(lists);
        Long threeOk = threeMethod(lists);
        Long fourOk = fourMethod(lists);
       
        System.out.println("One:" + oneOk);
        System.out.println("Two:" + twoOk);
        System.out.println("Three:" + threeOk);
        System.out.println("four:" + fourOk);
       
    }
   
    public static Long oneMethod(List<Long> lists){
       
        Long timeStart = System.currentTimeMillis();
        for(int i=0;i<lists.size();i++)    {
            System.out.println(lists.get(i));
        }
        Long timeStop = System.currentTimeMillis();
        return timeStop -timeStart ;
    }
   
    public static Long twoMethod(List<Long> lists){
       
        Long timeStart = System.currentTimeMillis();
        for(Long string : lists)    {
            System.out.println(string);
        }
        Long timeStop = System.currentTimeMillis();
        return timeStop -timeStart ;
    }
   
    public static Long threeMethod(List<Long> lists){
       
        Long timeStart = System.currentTimeMillis();
        Iterator<Long> it = lists.iterator();
        while (it.hasNext())
        {
                System.out.println(it.next());
        }
        Long timeStop = System.currentTimeMillis();
        return timeStop -timeStart ;
    }   
   
       
   
    public static Long fourMethod(List<Long> lists){
       
        Long timeStart = System.currentTimeMillis();
        for(Iterator<Long> i = lists.iterator(); i.hasNext();) 
    
     
	
	
    
    
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     import java.io.*;
public class FileToFile
{
 public static void main(String[] args)
 {
   File fold = new File("e:\\java\\file.java");//ij·¾¶ÏµÄÎļþ
   String strNewPath = "e:\\java\\new file\\";//з¾¶
   File fnewpath = new File(strNewPath);
 ......
	
    
        
    
    /************Student.java begin***************/
 import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class Student {
 private String name;
 private String password;
 public String getName() {
  return name;
 }
 public ......
	
    
        
    
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