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1.2.5.MethodÀࣺ
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public String getName()
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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
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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