Here you can find the source of putItem(Map, ?> map, Object key, Object value)
@SuppressWarnings({ "unchecked", "rawtypes" }) public static void putItem(Map<?, ?> map, Object key, Object value)
//package com.java2s; /*/*from w w w . j av a2 s . co m*/ * Copyright 2012 the original author or authors. * * 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.Map; public class Main { @SuppressWarnings({ "unchecked", "rawtypes" }) public static void putItem(Map<?, ?> map, Object key, Object value) { ((Map) map).put(key, value); } }