public class Person { Person father; Person mother; Gender gender; Integer age; List<Person> children; int level = 0; public enum Gender { Male, Female; } } For the above class, you basically have to implement 2 methods. public List<Person> getOldestSisters() public List<Person> getGreatestAncestors()
Design a data structure to store sparse 2D matrix which contains only 0 or 1. then write function to add 2 such matrix.
How would you pick the middle element of a list
Animate a given element using JS across any given time frame
Describe what happens when a user clicks a link in a browser.
How do you make a function that only calls input function f every 50 milliseconds?
How would you position an object side by side
How do you make a function that takes f and returns a function that calls f on a timeout?
how would you attach an event to an object
Settimeout, flatten an array
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