Here you can find the source of getTypedIterator(Iterator it, Class
@SuppressWarnings({ "unchecked", "rawtypes" }) static final <T> Iterator<T> getTypedIterator(Iterator it, Class<T> clz)
//package com.java2s; /*//from w w w . ja va 2 s.c om * Copyright 2015 Google 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.util.Iterator; public class Main { @SuppressWarnings({ "unchecked", "rawtypes" }) static final <T> Iterator<T> getTypedIterator(Iterator it, Class<T> clz) { return (Iterator<T>) it; } }