Here you can find the source of summarizeCigarString(String cigarString)
public static String summarizeCigarString(String cigarString)
//package com.java2s; /*// w ww.j a va 2 s .c om * Copyright 2016 Roche NimbleGen 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 { public static String summarizeCigarString(String cigarString) { StringBuilder summarizedCigarString = new StringBuilder(); if (cigarString.length() > 0) { int numberOfRepeats = 1; char currentlyRepeatingChar = cigarString.charAt(0); for (int i = 1; i < cigarString.length(); i++) { char currentChar = cigarString.charAt(i); if (currentlyRepeatingChar == currentChar) { numberOfRepeats++; } else { summarizedCigarString.append("" + numberOfRepeats + currentlyRepeatingChar); numberOfRepeats = 1; currentlyRepeatingChar = currentChar; } } summarizedCigarString.append("" + numberOfRepeats + currentlyRepeatingChar); } return summarizedCigarString.toString(); } }