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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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       String str="abc";
Method methodCharAt = String.class.getMethod("charAt",
int.class);
       System.out.println(methodCharAt.invoke(str1, 1));
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н¨Ò»¸öÀàTestArgumentsÌṩmain·½·¨
public class TestArguments{
    public static void main(String[] args){
       for(String arg : args){
           System.out.println(arg);
       }
    }
}
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       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
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Arrays.asList()·½·¨´¦Àíint[]ºÍString[]ʱµÄ²îÒì
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       int [] a1 = new int[]{1,2,3};
       int [] a2 = new int[4];
       int[][] a3 = new int[2][3];
    


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Calendar time=Calendar.getInstance();
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