Tradeweb Interview Question

LeetCode problems: 49, 53, 69, 151, 235, 258, 388, 448 difference between : list, set, map, sortedset, difference between : hashmap n hashset difference between : hashmap,linkedmap, treemap difference between : Arraylist, vector, LL difference between : interface n abstract class Q. static method possible in abstract class and in interface? internal working of hashmap java lymbda, comparator, method reff.