Java tutorial
//package com.java2s; public class Main { /** * @param clz class name * @param funcName function name * @return true if the function is in the class, else false */ public static boolean existsFunc(Class clz, String funcName, Class parameterTypes) { if (null != clz) { try { return clz.getDeclaredMethod(funcName, parameterTypes) != null; } catch (Exception e) { } if (clz != Object.class) { return existsFunc(clz.getSuperclass(), funcName, parameterTypes); } } return false; } }