Here you can find the source of lastIndexOfChars(String src, char[] chars, int startIndex, int endIndex)
public static int lastIndexOfChars(String src, char[] chars, int startIndex, int endIndex)
//package com.java2s; /**/*from ww w . ja va 2 s . c o m*/ * Copyright 2013-present febit.org (support@febit.org) * * 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 { public static int lastIndexOfChars(String src, char[] chars, int startIndex, int endIndex) { int total = src.length() - 1; if (total < 0) { return -1; } if (startIndex >= total) { startIndex = total; } if (endIndex < 0) { endIndex = 0; } int charsLen = chars.length; for (int i = startIndex; i >= endIndex; i--) { char c = src.charAt(i); for (char aChar : chars) { if (c == aChar) { return i; } } } return -1; } }