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·½·¨ÖØÔØ(overloading method) ÊÇÔÚÒ»¸öÀàÀïÃæ£¬·½·¨Ãû×ÖÏàͬ£¬¶ø²ÎÊý²»Í¬¡£·µ»ØÀàÐÍÄØ£¿¿ÉÒÔÏàͬҲ¿ÉÒÔ²»Í¬¡£
·½·¨ÖØÐ´(overiding method) ×ÓÀ಻ÏëÔ­·â²»¶¯µØ¼Ì³Ð¸¸ÀàµÄ·½·¨£¬¶øÊÇÏë×÷Ò»¶¨µÄÐ޸ģ¬Õâ¾ÍÐèÒª²ÉÓ÷½·¨µÄÖØÐ´¡£·½·¨ÖØÐ´ÓֳƷ½·¨¸²¸Ç¡£Èç¹û»¹ÊǸã»ìµÄ»°£¬¾Í°Ñ“ÖØÐ´¸²¸Ç”£¬Õâ¸ö´Ê¶àÄ±é°É¡£ÖªµÀÊǸ²¸ÇµÄ»°£¬¾ÍÖªµÀÊÇ×ÓÀา¸Ç¸¸ÀàµÄ·½·¨ÁË¡£
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public class MethodOverloading { void recieve(int i) { System.out.println("½ÓÊÕÒ»¸öintÊý¾Ý"); System.out.println("i="+i); } void recieve(float f) { System.out.println("½ÓÊÜÒ»¸öfloatÐ͵ÄÊý¾Ý"); System.out.println("f="+f); } void recieve(String s) { System.out.println("½ÓÊÜÒ»¸öStringÐÍÊý¾Ý"); System.out.println("s="+s); }
public static void main(String[] args){
MethodOverloading m = new MethodOverloading();
m.recieve(3456);
m.recieve(34.56);
m.recieve(“°Ù¼ÒÈ­Èí¼þÏîÄ¿Ñо¿ÊÒ“);
}}
´ó¼Ò¿´µ½ÁËÉÏÃæµÄÀý×Ó·½·¨receive()ÓÐÈý¸ö£¬Ãû×ÖÏàͬ²ÎÊý²»Í¬¡£ÕâÑùµÄ»°£¬ÔÚmain()µ÷ÓõÄʱºò£¬²ÎÊýÓÃÆðÀ´¾ÍºÜ·½±ãÁË¡£ÖØÐ´µÄÀý×ÓËÆºõ²»ÓþÙÁË£¬¼Ç²»×¡µÄ»°£¬¾ÍºÍ“¸²¸Ç”¡£Ò»ÆðÄî¡£
ÓÐʱºò£¬ÖØÔغÍÖØÐ´µÄ·½Ê½ÓÐЩ¸´ÔÓ£¬ÔÚjdk5ÀïÃæ¡£ÓÐһЩ·½Ê½Äܼò»¯Ò»Ð©¡£ÎÒÃÇÀ´¿´¿´°É£¬jdk5µÄ¿É±ä²ÎÊý¡£ Èç¹û°ÑÏàͬ²ÎÊýÀàÐ͵ķ½·¨ÖØÔغü¸±éÕæµÄÊǺܷ³¡£¾ÍÒ»¸ö·½·¨£¬pri(String args), pri(String arg0 ,String arg1), pri(String arg0,String arg1,String arg2), pri(String arg0,String arg1,String arg2,String arg3)¡£ÕâÑùµÄ»°»áдºÜ¶à·³ËöµÄ´úÂë¡£ÏÖÔÚjdk5¿ÉÒÔ£¬ÓÓ…”À´´úÌæÕâЩ²ÎÊý¡£Êµ¼ù£º
public class overload {
//Èô¸É¸öÏàͬÀàÐ͵IJÎÊý£¬ÓÓ...”´úÌæ
public void pri(String... strings ){
for (String str : strings) //forÕâ¸öÑ­»·Óï¾äÒ²Óеü´úµÄÒâ˼
System.out.print(str);
}
public static void main(String[] args){
new overload().pri("100jq"," °Ù¼ÒÈ­Èí¼þÏîÄ¿Ñо¿ÊÒ"," www.100jq.com");
}
}
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