Here you can find the source of editDistance(String one, String two)
Parameter | Description |
---|---|
one | a parameter |
two | a parameter |
public static int editDistance(String one, String two)
//package com.java2s; /*/*from w w w.j a v a 2 s . c o m*/ Jaivox version 0.7 March 2014 Copyright 2010-2014 by Bits and Pixels, Inc. 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. */ public class Main { /** * Determine the Levenshtein edit distance between two strings of characters * @param one * @param two * @return */ public static int editDistance(String one, String two) { int n = one.length(); int m = two.length(); int[][] distance = new int[n + 1][m + 1]; for (int i = 0; i <= n; i++) distance[i][0] = i; for (int j = 0; j <= m; j++) distance[0][j] = j; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { distance[i][j] = minimum(distance[i - 1][j] + 1, distance[i][j - 1] + 1, distance[i - 1][j - 1] + ((one.charAt(i - 1) == two.charAt(j - 1)) ? 0 : 1)); } } return distance[n][m]; } /** * Used for edit distance * @param a * @param b * @param c * @return */ // http://en.wikibooks.org/wiki/Algorithm_implementation/Strings/Levenshtein_distance#Java static int minimum(int a, int b, int c) { return Math.min(Math.min(a, b), c); } }