Java tutorial
//package com.java2s; /****************************************************************************** * Copyright 2015 by OLTPBenchmark Project * * * * 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.Collection; import java.util.HashSet; import java.util.Set; public class Main { /** * Returns a set containing the string representations of the elements in the collection * @param <T> * @param data * @return */ public static <T> Set<String> toStringSet(Collection<T> data) { Set<String> ret = new HashSet<String>(); for (T t : data) ret.add(t.toString()); return (ret); } }