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

Java±ä³¤²ÎÊý

ÔÚJava5ÖÐÌṩÁ˱䳤²ÎÊý£¬Ò²¾ÍÊÇÔÚ·½·¨¶¨ÒåÖпÉÒÔʹÓøöÊý²»È·¶¨µÄ²ÎÊý£¬¶ÔÓÚͬһ·½·¨¿ÉÒÔʹÓò»Í¬¸öÊýµÄ²ÎÊýµ÷Óã¬ÀýÈ磺print("hello");print("hello","lisi");print("hello","ÕÅÈý");ÏÂÃæ½éÉÜÈçºÎ¶¨Òå¿É±ä³¤²ÎÊýÒÔ¼°ÈçºÎʹÓÿɱ䳤²ÎÊý¡£
1¡¢¿É±ä³¤²ÎÊý·½·¨µÄ¶¨Òå
ʹÓÃ...±íʾ¿É±ä³¤²ÎÊý£¬ÀýÈç
print(String... args){
   ...
}
ÔÚ¾ßÓпɱ䳤²ÎÊýµÄ·½·¨ÖпÉÒ԰ѲÎÊýµ±³ÉÊý×éʹÓã¬ÀýÈç¿ÉÒÔÑ­»·Êä³öËùÓеIJÎÊýÖµ¡£
print(String... args){
   for(String temp:args)
      System.out.println(temp);
}
2¡¢¿É±ä³¤²ÎÊýµÄ·½·¨µÄµ÷ÓÃ
µ÷ÓõÄʱºò¿ÉÒÔ¸ø³öÈÎÒâ¶à¸ö²ÎÊý£¬ÀýÈ磺
print("hello");
print("hello","lisi");
print("hello","ÕÅÈý");
3¡¢×¢ÒâÊÂÏî
3.1 ÔÚµ÷Ó÷½·¨µÄʱºò£¬Èç¹ûÄܹ»ºÍ¹Ì¶¨²ÎÊýµÄ·½·¨Æ¥Å䣬ҲÄܹ»Óë¿É±ä³¤²ÎÊýµÄ·½·¨Æ¥Å䣬ÔòÑ¡Ôñ¹Ì¶¨²ÎÊýµÄ·½·¨¡£¿´ÏÂÃæ´úÂëµÄÊä³ö£º
package ch6;
import static java.lang.System.out;
public class VarArgsTest {
 public static void main(String[] args) {
  VarArgsTest test = new VarArgsTest();
  test.print("hello");
  test.print("hello","zhangsan");
 }
 
 public void print(String... args){
  for(int i=0;i<args.length;i++){
   out.println(args[i]);
  }
 }
 
 public void print(String test){
  out.println("----------");
 }
}
3.2 Èç¹ûÒªµ÷Óõķ½·¨¿ÉÒÔºÍÁ½¸ö¿É±ä²ÎÊýÆ¥Å䣬Ôò³öÏÖ´íÎó£¬ÀýÈçÏÂÃæµÄ´úÂ룺
package ch6;
import static java.lang.System.out;
public class VarArgsTest {
 public static void main(String[] args) {
  VarArgsTest test = new VarArgsTest();
  test.print("hello");
  test.print("hello","zhangsan");
 }
 
 public void print(String... args){
  for(int i=0;i<args.length;i++){
   out.println(args[i]);
  }
 }
 
 public void print(String test,String...args ){
  out.println("----------");
 }
}
¶ÔÓÚÉÏÃæµÄ´úÂ룬main·½·¨ÖеÄÁ½¸öµ÷Óö¼²»ÄܱàÒëͨ¹ý¡£
3.3 Ò»


Ïà¹ØÎĵµ£º

JavaÖм¯ºÏÈÝÆ÷ÀàListºÍSetµÄÓ÷¨

ListµÄÓ÷¨
List°üÀ¨List½Ó¿ÚÒÔ¼°List½Ó¿ÚµÄËùÓÐʵÏÖÀà¡£ÒòΪList½Ó¿ÚʵÏÖÁËCollection½Ó¿Ú£¬ËùÒÔList½Ó¿ÚÓµÓÐCollection½Ó¿ÚÌṩµÄËùÓг£Ó÷½·¨£¬ÓÖÒòΪListÊÇÁбíÀàÐÍ£¬ËùÒÔList½Ó¿Ú»¹ÌṩÁËһЩÊʺÏÓÚ×ÔÉíµÄ³£Ó÷½·¨£¬Èç±í1Ëùʾ¡£
±í1  List½Ó¿Ú¶¨ÒåµÄ³£Ó÷½·¨¼°¹¦ÄÜ
´Ó±í1¿ÉÒÔ¿´³ö£¬List½Ó¿ÚÌṩµÄÊʺÏÓÚ×ÔÉíµÄ ......

java¿ªÔ´ÏîÄ¿

Spring Framework  ¡¾Java¿ªÔ´ J2EE¿ò¼Ü¡¿
Spring ÊÇÒ»¸ö½â¾öÁËÐí¶àÔÚJ2EE¿ª·¢Öг£¼ûµÄÎÊÌâµÄÇ¿´ó¿ò¼Ü¡£ SpringÌṩÁ˹ÜÀíÒµÎñ¶ÔÏóµÄÒ»Ö·½·¨²¢ÇÒ¹ÄÀøÁË×¢Èë¶Ô½Ó¿Ú±à³Ì¶ø²»ÊǶÔÀà±à³ÌµÄÁ¼ºÃϰ¹ß¡£SpringµÄ¼Ü¹¹»ù´¡ÊÇ»ùÓÚʹÓÃJavaBeanÊôÐ﵀ Inversion of ControlÈÝÆ÷¡£È»¶ø£¬Õâ½ö½öÊÇÍêÕûͼ¾°ÖеÄÒ»²¿·Ö£ºSpringÔÚÊ¹Ó ......

ÂÛJAVA¸ßн¾ÍÒµ

       ĿǰºÜ¶àѧÉúÃæÁÙמÍÒµµÄÎÊÌ⣬µ±È»£¬ÏñÎÒÒ»ÑùµÄ¸Õ±ÏÒµµÄ´óѧÉúÒ²²»ÀýÍâ¡£´óѧʱѧµÄÊǼÆËã»úרҵµÄ£¬´óѧËÄÄê×ÜÒÔΪ°Ñרҵ¿ÎѧºÃ£¬±ÏÒµÁ˾ͿÉÒÔÕÒµ½Ò»·Ý²»´íµÄ¹¤×÷¡£
       ¿ÉÊǼ¸¸öÔÂÃæÊԵĽÓÁ¬Åö±Ú£¬Ê¹ÎҸе½´óѧÀïѧµÄרҵ֪ʶÀíÂÛÐÔ̫ǿ£¬Êµ¼Ê ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ