Java tutorial
//package com.java2s; //License from project: Open Source License import java.lang.reflect.Field; public class Main { protected static void setField(Object obj, String name, Object value) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException { final Field f = obj.getClass().getField(name); f.set(obj, value); } protected static Object getField(Object obj, String name) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException { final Field f = obj.getClass().getDeclaredField(name); return f.get(obj); } protected static Object getDeclaredField(Object obj, String name) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException { final Field f = obj.getClass().getDeclaredField(name); f.setAccessible(true); return f.get(obj); } }