Hackerrank Between Two Sets Hackerrank 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 'getTotalX' function below. * * The function is expected to return an INTEGER. * The function accepts following parameters: * 1. INTEGER_ARRAY a * 2. INTEGER_ARRAY b */ public static int getTotalX(List<Integer> a, List<Integer> b) { ArrayList<Integer> al = new ArrayList<>(); int first = a.get(a.size()- 1 ); //last element of a int last = b.get( 0 ); //first element of b for ( int i=first;i<=last;i++){