Java tutorial
//package com.java2s; import java.lang.reflect.Field; public class Main { /** * Gets the field with the given name within the class, or {@code null} if not found. If found, * the field is made accessible. */ private static Field field(Class<?> clazz, String fieldName) { Field field; try { field = clazz.getDeclaredField(fieldName); field.setAccessible(true); } catch (Throwable t) { // Failed to access the fields. field = null; } return field; } }