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- import java.lang.reflect.*;
- public class method2 {
- public int add(int a, int b) {
- return a + b;
- }
- public static void main(String args[]) {
- try {
- Class cls = Class.forName("method2");// 使用method2此類別.
- Class partypes[] = new Class[2];
- partypes[0] = Integer.TYPE;
- partypes[1] = Integer.TYPE;
- Method meth = cls.getMethod("add", partypes);// 設定使用method2的add方法,並且設定兩個參數型態皆為integer.
- method2 methobj = new method2();// 產生另一個method2類別的物件 methobj,
- Object arglist[] = new Object[2];
- arglist[0] = new Integer(37);
- arglist[1] = new Integer(47);
- Object retobj = meth.invoke(methobj, arglist);
- Integer retval = (Integer) retobj;
- System.out.println(retval.intValue());
- } catch (Throwable e) {
- System.err.println(e);
- }
- }
- }
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