Here you can find the source of getClosest(final String pattern, Collection
public static String getClosest(final String pattern, Collection<String> targets)
//package com.java2s; /*//from w ww .j ava2s . c om * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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; public class Main { public static String getClosest(final String pattern, Collection<String> targets) { int score = -1; String best = null; for (String target : targets) { int thisScore = matchLength(pattern, target); if (thisScore > score) { score = thisScore; best = target; } } return best; } private static int matchLength(String pattern, String target) { int i = 0; while (i < pattern.length() && i < target.length() && pattern.charAt(i) == target.charAt(i)) i++; return i; } }