在反射中如何调用类中的Setter()AndGetter()方法

package com.alamps.classdemo;

interface China {
public static final String NAME = "ALAMPS";
public static final String NATIONAL = "CHINA";

void sayChina();

String sayHello(String name,int age);

}

public class Programmer implements China {

private int age;
private String name;

/**
* 无参
*/
public Programmer() {
// TODO Auto-generated constructor stub
}

/**
* 有一个参数的构造
*
* @param name
*/
public Programmer(String name) {
super();
this.name = name;
}

/**
* 有二个参数的构造
*
* @param name
* @param age
*/

public Programmer(String name, int age) {
super();
this.name = name;
this.age = age;
}

public int getAge() {
return age;
}

public String getName() {
return name;
}

@Override
public void sayChina() {
// TODO Auto-generated method stub
System.out.println("程序员的名字是："+NAME+",国籍是："+NATIONAL);
}

@Override
public String sayHello(String name,int age) {
// TODO Auto-generated method stub
return "姓名="+name+",年龄="+age;
}

public void setAge(int age) {
this.age = age;
}

public void setName(String name) {
this.name = name;
}

@Override
public String toString() {
return "姓名：" + this.name + ",年龄：" + this.age;
}
}

Title@Test
// 在反射中如何调用类中的Setter()AndGetter()方法：例如：取得Programmer类中的SetterAndGetter方法
public void InvokeSetterAndGetter() {
Class<?> c = null;// 声明Class对象
Object oo = null;// 声明一个对象

try {
c = Class.forName("com.alamps.classdemo.Programmer");// 最常用的形式
} catch (ClassNotFoundException e) {
e.printStackTrace();
}

try {
oo = c.newInstance();// 实例化操作对象
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

setter(oo, "name", "七仙女", String.class);
setter(oo, "age", 18, int.class);
System.out.print("姓名：");
getter(oo, "name");
System.out.print(";年龄：");
getter(oo, "age");

}// end of method InvokeSetterAndGetter

// 姓名=猪八戒,年龄=8000

public static void setter(Object oo, String att, Object value,
Class<?> type) {// setName(String s)
try {
Method m = oo.getClass().getMethod("set" + initStr(att) ,type );
try {
m.invoke(oo, value);
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public static void getter(Object oo, String att) {// getName()
try {
Method m = oo.getClass().getMethod("get" + initStr(att));
try {
System.out.print(m.invoke(oo));
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public static String initStr(String old) {
// TODO Auto-generated method stub
String newstr = old.substring(0, 1).toUpperCase() + old.substring(1);// 将一个字符串的第一个单词大写
return newstr;
}v