Wgu C949 Data Structures And Algorithms |102 Questions| With Correct Answers.

Equation for finding the middle value of an array {Ans: (high + low)/2 (DO NOT ROUND UP)}Which statement is static? readonly Contact[] contacts = new Contact[]; readonly Contact contacts = new Contacts[100]; {Ans: readonly Contact contacts = new Contacts[100];}The first and last nodes of a doubly linked list should have a value of ______ {Ans: null}When smaller values are added to this tree smaller values are added to the left {Ans: Binary Search Tree}Give a coded example on how to create a doubly linked list {Ans: Node node1 = new Node(1); Node node2 = new Node(2); Node node3 = new Node(3); node1.Next = node2; node2.Previous = node1; node2.Next = node3; node3.Previous = node2;}There are 3 items in a stack, the next line of code is "push('item');". How many items are now in the stack? {Ans: 4}key % 1000 maps to indices 0 to ____. {Ans: 999}If an object is assigned to null (int = null;), will the object be considered for garbage collection? {Ans: Yes (it's considered for garbage collection right once it's assigned to null)}A Last-in, First-out (LIFO) data container {Ans: Stack}Cannot handle sets, lists or dictionaries {Ans: Hash