Java tutorial
//package com.java2s; /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.Method; import java.util.Arrays; public class Main { private static final String EQUALS_METHOD = "equals"; private static final Class<?>[] EQUALS_PARAMETERS = new Class<?>[] { Object.class }; public static boolean declaredEquals(Class<?> clazz) { for (Method declaredMethod : clazz.getDeclaredMethods()) { if (EQUALS_METHOD.equals(declaredMethod.getName()) && Arrays.equals(declaredMethod.getParameterTypes(), EQUALS_PARAMETERS)) { return true; } } return false; } }