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1.2.5.MethodÀࣺ
Method´ú±íij¸öÀàµÄÒ»¸ö·½·¨£¬Ìṩ¹ØÓÚÀà»ò½Ó¿ÚÉϵ¥¶Àij¸ö·½·¨µÄÐÅÏ¢¡£Ëù·´Ó³µÄ·½·¨¿ÉÄÜÊÇÀà·½·¨»òʵÀý·½·¨£¨°üÀ¨³éÏó·½·¨£©¡£ Õâ¸öÀ಻ÄÑÀí½â£¬ËüÊÇÓÃÀ´·â×°·´ÉäÀà·½·¨µÄÒ»¸öÀà¡£
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public String getName()
·µ»Ø´Ë Method ¶ÔÏó±íʾµÄ·½·¨Ãû³Æ
public Object invoke(Object obj,Object... args)
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¼òµ¥Ê¹ÓÃMethod´úÂë
       String str="abc";
Method methodCharAt = String.class.getMethod("charAt",
int.class);
       System.out.println(methodCharAt.invoke(str1, 1));
Á·Ï°£ºÐ´Ò»¸ö³ÌÐò£¬Äܹ»¸ù¾ÝÓû§ÌṩµÄÀàÃûÈ¥Ö´ÐиÃÀàÖеÄmain·½·¨
´úÂëÈçÏ£º
н¨Ò»¸öÀàTestArgumentsÌṩmain·½·¨
public class TestArguments{
    public static void main(String[] args){
       for(String arg : args){
           System.out.println(arg);
       }
    }
}
¿Í»§¶Ë²âÊÔ´úÂ룺
       String startingClassName = "TestArguments";
       Method mainMethod =
Class.forName(startingClassName).getMethod("main",
String[].class);
       mainMethod.invoke(null,
(Object)new String[]{"111","222","333"});
 
1.2.6.ArrayÀࣺ
Array¹¤¾ßÀàÓÃÓÚÍê³É¶ÔÊý×éµÄ·¢Éä²Ù×÷¡£
¾ßÓÐÏàͬά¶ÈºÍÔªËØÀàÐ͵ÄÊý×éÊôÓÚͬһ¸öÀàÐÍ£¬¼´¾ßÓÐÏàͬµÄClassʵÀý¶ÔÏó
´ú±íÊý×éµÄClassʵÀý¶ÔÏóµÄgetSuperclass£¨£©·½·¨·µ»ØµÄ¸¸ÀàΪObjectÀà¶ÔÓ¦µÄClass¡£
»ù±¾ÀàÐ͵ÄһάÊý×é¿ÉÒÔ±»µ±×÷ObjectÀàÐÍʹÓ㬲»Äܵ±×÷Object[]ÀàÐÍʹÓã»·Ç»ù±¾ÀàÐ͵ÄһάÊý×飬¼È¿ÉÒÔµ±×öObjectÀàÐÍʹÓã¬ÓÖ¿ÉÒÔµ±×öObject[]ÀàÐÍʹÓá£
Arrays.asList()·½·¨´¦Àíint[]ºÍString[]ʱµÄ²îÒì
Àý×Ó´úÂë:
       int [] a1 = new int[]{1,2,3};
       int [] a2 = new int[4];
       int[][] a3 = new int[2][3];
    


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