Here you can find the source of closeKeyMap(BufferedReader in)
public static void closeKeyMap(BufferedReader in) throws IOException
//package com.java2s; /**// w w w. j a va 2 s . c o m * (C) Copyright IBM Corp. 2010, 2015 * * 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.io.BufferedReader; import java.io.IOException; public class Main { public static void closeKeyMap(BufferedReader in) throws IOException { if (in != null) in.close(); } }