Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

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();)


Ïà¹ØÎĵµ£º

javaÖÐÈçºÎ°ÑÒ»¸öĿ¼ÏµÄÎļþÒÆµ½ÁíÒ»¸öÖ¸¶¨Ä¿Â¼ÖÐ

 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); ......

javaµÚ8Ìì´úÂ루¼¯ºÏÀࣩ

/************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 ......

Java Card ¼¼Êõ(Èý)

 ¡¡Java Card Ó¦ÓóÌÐòµÄÔªËØ
¡¡¡¡Çë¼Çס£¬Java Card Ó¦ÓóÌÐò²¢²»ÊǶÀÁ¢µÄ£¬¶øÊǶ˵½¶ËÓ¦ÓóÌÐòµÄÒ»²¿·Ö:
ͼ 1. Java Card Ó¦ÓóÌÐòµÄµäÐÍ×é¼þ
¡¡¡¡Java Card Ó¦ÓóÌÐòͨ³£ÓÉÒÔϲ¿·Ö×é³É£º
¡¡¡¡Ìṩºǫ́·þÎñ£¨ÀýÈç±£´æÔÚÊý¾Ý¿âÖеݲȫ»òÕßµç×ÓÖ§¸¶ÐÅÏ¢£©·ÃÎ浀 ºǫ́ӦÓóÌÐò¡£ÈçºÎ¿ª·¢ºǫ́ӦÓóÌÐò³¬³öÁ˱¾Îĵ ......

JAVA ME ÊÖ»ú³ÌÐòÈëÃż¶Ô´Âë

 Ò»¸öÓÉ Carol Hamer дµÄ±È½ÏÓдú±íÐÔµÄÔ´Â룬×÷ÕßÈ«Á¦ÍƼö£¬ÓÈÆäÊǶÔÓÚûÓÐ J2ME ¿ª·¢¾­ÑéµÄÅóÓÑ¡£×Ô¼º¶¯ÊÖÇóöÒÔÏÂÌù³öµÄ Hello.java ºÍ HelloCanvas.java Ô´Â룬²¢ÔËÐУ¬ÓÃÐÄÌå»áһϡ£ÏàÐÅÄãÀí½âÁË´ËÔ´ÂëÖ®ºó£¬¼´¿É²½Èë J2ME ¿ª·¢¡£
×¢ÊͶ¼ÔÚÔ´ÂëÀÔËÐл·¾³×Ô¼ºÅ䣬×Ô¼º¶¯ÊÖ¿´ÔËÐÐЧ¹û£¬Àí½âÖ®ºó£¬È»ºó¶¯ÊÖÐÞ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ