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Introduction to Generic Classes If we have an object with a field of type Object, then this object can hold any type of class because Object is the...
Problem Given an array arr of positive integers sorted in a strictly increasing order, and an integer k. Return thekthpositive integer that is missing...
1. Concrete Class These are those class that we can create an instance using NEW keyword. All the methods in the is class have implementation It...
Problem A conveyor belt has packages that must be shipped from one port to another within days days. The ith package on the conveyor belt has a weight...
Problem Given an array of integers nums and an integer threshold, we will choose a positive integer divisor, divide all the array by it, and sum the...
Problem Given the head of a singly linked list, group all the nodes with odd indices together followed by the nodes with even indices, and return the...