Undo is Ctrl-Z. Undo buttons also exist in most non-Notepad text editing programs.
When extinguishing a fire, the extinguisher's stream should be aimed at the base of the flame using a sweeping motion. This will allow one to kill the fire from the source. This will quickly put out the fire faster applying the extinguisher from the upside.
Answer:
A) True
Explanation:
Java provides collections architecture or framework used to store and manipulate a group of objects or collections.
The collection framework has interfaces which include; Set, Queue, Deque, List, as well as classes which include; Hashset, ArrayList, LinkedList, LinkedHashset, PriorityQueue, Vector and TreeSet.
There are also many methods declared in the collection interface which include; add(), addAll(), remove(), removeAll(),retainAll(), clear(), size(), iterator(), toArray() etc
Answer:
A complete heap is a heap in which the all the nodes are completely filled and the level of the each node are equal to each other. So, if the heap satisfied this condition then, the heap are complete.
In the computer science, heap is the special type of tree based on the data structure. Binary heap is one of the type of heap and it become complete binary tree when, it satisfied the ordering of heap property.
There are basically two types of heap ordering that are:
1) MAX heap property: In the max heap ordering property each node are less than or equal to its parent node value.
2) MIN heap property: In the min heap property each node is greater and equal to its particular parent value.