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DataStructure

Site for Learn and clear of Logarithm

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/introduction-to-logarithms/v/logarithms

https://www.mathsisfun.com/algebra/logarithms.html

Introduction Data Structure and Algorithm

What is Data Structure and Algorithm?????

In simple word,

Algorithm + Data Structure = Program

Algorithm: Method for solving problem.

Data Structure: Method for store Information.

Topics                                  data structure and algorithms

data types                            stack ,queue ,bag ,union-find ,priority queue

sorting                                  quicksort ,mergesort ,heapsort ,radix sort

searching                              BST ,red-black BST ,hash table

graphs                                   BFS ,DFS ,Prim ,Kruskal ,Dijkstra

strings                                  KMP ,regular expressiona ,TST ,Huffman ,LZW

advanced                             B-tree ,suffix ,array ,maxflowUntitled

 

Classes in JAVA for Data structure

Classes

ArrayList

LinkedList

HashSet

LinkedHashSet

TreeSet

PriorityQueue

ArrayDeque

EnumSet

For Retrieve data from this classes

Using Intrator

Using for loop

Master Information of Data Structure and Algorithm

1. What is Complexity?

Complexity is the Measurement of Analysis of Algorithm.

2. What is Hashing?

In terms of Database, Hashing is a method of sorting and indexing data. The idea behind hashing is to allow large amounts of data  to be indexed using keywords or keys commonly created by complex formulas. Hashing allows for a large amount of information to be searched and listed.

In terms of  security, hashing is a method of taking data, encrypting it, and creating unpredictable, irreversible output. There are many different hashing algorithms. MD2, MD5, SHA, and SHA-1 are examples of hashing algorithms.

 

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