1.首先写一基本的Java类User
package com.che.test;
public class User {
private String name;
}
2.写一应用类App
package com.che.test;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class App {
public static void main(String[] args) {
String objName="com.che.test.User";
try{
Class cs=Class.forName(objName);
Object obj=cs.newInstance();
Field name=cs.getDeclaredField("name");
name.setAccessible(true);
System.out.println(name.get(obj));
name.set(obj, "che");
System.out.println(name.get(obj));
name.setAccessible(false);
}catch(Exception e){
e.printStackTrace();
}
}
}