Java Substring Comparisons HackerRank Solution
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static String getSmallestAndLargest(String s, int k) { String smallest = ""; String largest = ""; int j=0; ArrayList<String> al=new ArrayList<String>(); for(;j<s.length()-k;j++){ al.add(s.substring(j,j+k)); } al.add(s.substring(j)); smallest=al.get(0); largest=al.get(0); /*for(String i:al){ System.out.println(i); }*/ for(int i=1;i<al.size();i++){ if(!(smallest.compareTo(al.get(i))<0)){ smallest=al.get(i); } if(!(largest.compareTo(al.get(i))>0)){ largest=al.get(i); } } // Complete the
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