Here you can find the source of getMethod(Class> cls, String name)
static Method getMethod(Class<?> cls, String name) throws NoSuchMethodException
//package com.java2s; /*//from ww w . j a v a2 s. co m * Copyright 2014-2018 Netflix, Inc. * * Licensed 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; public class Main { /** Search for a method in the class and all superclasses. */ static Method getMethod(Class<?> cls, String name) throws NoSuchMethodException { NoSuchMethodException firstExc = null; for (Class<?> c = cls; c != null; c = c.getSuperclass()) { try { return c.getDeclaredMethod(name); } catch (NoSuchMethodException e) { if (firstExc == null) { firstExc = e; } } } throw firstExc; } }