Hackerrank Super Reduced String Solution - JAVA For explanation watch Video :: Code: import java.io.*; import java.math.*; import java.security.*; import java.text.*; import java.util.*; import java.util.concurrent.*; import java.util.function.*; import java.util.regex.*; import java.util.stream.*; import static java.util.stream.Collectors.joining; import static java.util.stream.Collectors.toList; class Result { /* * Complete the 'superReducedString' function below. * * The function is expected to return a STRING. * The function accepts STRING s as parameter. */ public static String superReducedString(String s) { StringBuilder sb = new StringBuilder(s); for(int i=1;i<sb.length();i++){ if(sb.charAt(i)==sb.charAt(i-1)){ sb.delete(i-1,i+1); i=0; } } String ans = sb.toString(); if(ans.length()==0){ return "Empty String";