Deduplicate a string in java

java string 6 years, 2 months ago

import java.util.HashMap; public class DeduplicationOfString{ static String dedup(String inputStr, int chunkSize) { int chunks = 0; StringBuilder dedup = new StringBuilder(); for(int i = 0; i< inputStr.length();){ String str = inputStr.substring(i,i+chunkSize); if(dedup.indexOf(str) != -1){ int ind = dedup.indexOf(str); dedup.insert(dedup.indexOf(",", ind), "-"+chunks); } else{ dedup.append(str+"-"+chunks+","); } chunks++; i+=chunkSize; } return dedup.toString(); } static String redup(String deduplicatedStr, int chunkSize) { String str = ""; for(int i = 0; i< deduplicatedStr.length();i++) { String str1 = deduplicatedStr.substring(i, i + chunkSize); int chunkIndex = deduplicatedStr.indexOf(",",i+chunkSize); String chunk = deduplicatedStr.substring(i+chunkSize, chunkIndex); System.out.println(chunk); } return ""; } public static void main(String[] args) { String dedupStr = dedup("abcdeabcdfabcde", 5); System.out.println(dedupStr); //redup(dedupStr, 5); } }

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