Java Reflection(反射) 入门学习笔记 之二 (Invoke)

package com.test.reflection;import java.lang.reflect.Method;public class InvokerTest {public int add(int num1,int num2){return num1 + num2;}public String sayHello(String name){return "Hello " + name;}public static void main(String[] args) throws Exception{Class<?> classType = InvokerTest.class;//创建一个新的对象Object invokerTest = classType.newInstance();Method addMethod= classType.getMethod("add", new Class[]{int.class,int.class});Method sayHelloMethod = classType.getMethod("sayHello", new Class[]{String.class});Object addResult = addMethod.invoke(invokerTest, new Object[]{new Integer(1),new Integer(1)});Object sayHelloResult = sayHelloMethod.invoke(invokerTest, new Object[]{"ivan"});System.out.println("addResutl = " + addResult);System.out.println("sayHelloResult = " + sayHelloResult);}}