Input: { {"efg", 1}, {"gfg", 1}, {"cba", 1}, {"zaa", 1} } Output: { {"cba", 1}, {"efg", 1}, {"gfg", 1}, {"zaa", 1} } Java importjava.io.*;importjava.util.*;classPairimplementsComparable<Pair>{ String x;inty;pub
// Override compareTo method to sort LinkedHashMap keys // in ascending order publicintcompareTo(Studentstu) { returnthis.name.compareTo(stu.name); } } classGFG{ publicstaticvoidmain(String[]args) { // New LinkedHashMap LinkedHashMap<Student,Integer>map =newLinkedHashMap<>(); // Adding...