Java tutorial
//package com.java2s; /* * Copyright 2012 Joseph Spencer * * 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.HashMap; public class Main { public static <T> void mapKeysToBooleanInHashMap(T[] array, HashMap<T, Boolean> map, boolean boo) { int startLength = array.length; for (int i = 0; i < startLength; i++) { map.put(array[i], boo); } } }