BigData
Introduction
Java
Concurrency
原子变量类
并发算法
LockSupport
AQS
ReentrantLock解析
StampedLock
同步辅助类Exchanger
同步辅助类Phaser
并发面试题
BankAccount
ProducerConsumer
Philosopher
线程池(一)
线程池(二)
Lock Optimization
Java IO
New File API in Java 7
Netty
G1 Collector
JDK8 Metaspace
Performance Tuning
Algorithms
BitFiddling
Single Number II
Single Number III
Reverse Bits
Number of 1 Bits
Bitwise AND of Numbers Range
Maximum Product of Word Lengths
Max Binary Gap
Convert Integer A to Integer B
Update Bits
Single Number IV
Binary representation of a real number
Flipping bits
Power of Two
Power of Four
Arrays
Equi3
Find the Duplicate Number
Next Permutation
Previous Permuation
Pascal's Triangle
Longest Consecutive Sequence
Read N Characters Given Read4 I
Missing Ranges
Minimum Size Subarray Sum
Local Minimum of an array
Maximum Subarray
Shortest Word Distance
Flatten 2D Vector
Find the Celebrity
Majority Element II
Majority Number III
Game of Life
Flip Game
Sparse Matrix Multiplication
Increasing Triplet Subsequence
Recover Rotated Sorted Array
Subarray Sum II
Intersection of Two Arrays
Shuffle an Array
Summary Ranges
Rotate Function
Find All Duplicates in an Array
Find All Numbers Disappeared in an Array
Matrix
Rotate Image
Spiral Matrix
Spiral Matrix II
Set Matrix Zeroes
Search a 2D Matrix
Search a 2D Matrix II
Best Meeting Point
Maximum Black Subsquare
Matrix Zigzag Traversal
Submatrix Sum
Number of Islands
Valid Word Square
String
Longest Palindromic Substring
ZigZag Conversion
String to Integer (atoi)
Longest Common Prefix
Implement strStr()
Count and Say
Multiply Strings
Add Binary
Text Justification
Valid Palindrome
Reverse Words in a String
Compare Version Numbers
Encode and Decode Strings
Longest Substring Without Repeating Characters
Additive Number
Shortest Palindrome
Valid Anagram242
Reverse String
Reverse Vowels of a String
Replace Words
Judge Route Circle
One Edit Distance
Valid Anagram
Integer to English Words
Ransom Note
Convert a Number to Hexadecimal
Add Strings
LinkedList
LRUCache
Add Two Numbers
Swap Nodes in Pairs
Rotate List
Remove Duplicates from Sorted List II
Copy List with Random Pointer
Reverse Nodes in k-Group
Linked List Cycle
Linked List Cycle II
Reorder List
Reverse Linked List II
Intersection of Two Linked Lists
Remove Linked List Elements
Palindrome Linked List
Delete Node in a Linked List
Odd Even Linked List
Plus One Linked List
Split Linked List in Parts
Linked List Components
Interval List Intersections
Stack
ReversePolishNotation
Binary Search Tree Iterator
Closest Binary Search Tree Value II
Longest Valid Parentheses
Simplify Path
Min Stack
Symmetric Tree
Verify Preorder Sequence in Binary Search Tree
Verify Preorder Serialization of a Binary Tree
Max Tree
Flatten Nested List Iterator
Queue & Heap
Sliding Window Maximum
Zigzag Iterator
Find Median from Data Stream
Merge k Sorted Lists
Sliding Window Median
Trapping Rain Water II
Moving Average from Data Stream
Binary Tree
Binary Indexed Trees
Range Sum Query 2D - Mutable
Count of Smaller Numbers After Self
Segment Tree
Recover Binary Search Tree
Binary Tree Preorder Traversal
Implement Trie (Prefix Tree)
Add and Search Word - Data structure design
Maximum Depth of Binary Tree
Construct Binary Tree from Preorder and Inorder Traversal
Construct Binary Tree from Inorder and Postorder Traversal
Same Tree
Minimum Depth of Binary Tree
Balanced Binary Tree
Flatten Binary Tree to Linked List
Populating Next Right Pointers in Each Node
Populating Next Right Pointers in Each Node II
Binary Tree Maximum Path Sum
Sum Root to Leaf Numbers
Binary Tree Upside Down
Different Ways to Add Parentheses
Binary Tree Longest Consecutive Sequence
Lowest Common Ancestor of a Binary Tree
Subtree Check
Serialize and Deserialize Binary Tree
Find Duplicate Subtrees
Binary Search Tree
Unique Binary Search Trees
Unique Binary Search Trees II
Contains Duplicate III
Closest Binary Search Tree Value
Inorder Successor in BST
Validate Binary Search Tree
Convert Sorted Array to Binary Search Tree
Convert Sorted List to Binary Search Tree
Largest BST Subtree
Math
Get spiral index from location
Factorial Trailing Zeroes
Fast Power
实现两个数相加不用四则运算
Number of Digit One
Majority Number
Majority Number II
Majority Number III
Ugly Number
Super Ugly Number
Palindrome Number
Integer to Roman
Divide Two Integers
Permutation Sequence
Valid Number
Gray Code
Fraction to Recurring Decimal
Excel Sheet Column Title
Excel Sheet Column Number
Rectangle Area
Add Digits
Nim Game
Bulb Switcher
Power of Three
Next largest palindrome
Self Crossing
Shuffle Array
Counting Bits
Integer Break
Hash Map
Group Shifted Strings
Valid Sudoku
Group Anagrams
Minimum Window Substring
Palindrome Permutation
Isomorphic Strings
Substring with Concatenation of All Words
4Sum
Happy Number
Max Points on a Line
Longest Substring with At Most Two Distinct Characters
Shortest Word Distance II
Strobogrammatic Number I
Word Pattern
Bulls and Cows
Number of Islands II
Print Binary Tree Vertically
Unique Word Abbreviation
Number of Connected Components in an Undirected Graph
Line Reflection
Implement Magic Dictionary
Dynamic Programming
Best Time to Buy and Sell Stock III
Best Time to Buy and Sell Stock IV
Best Time to Buy and Sell Stock with Cooldown
Regular Expression Matching
Unique Path I
Climbing Stairs
Minimum Path Sum
Edit Distance
Scramble String
Largest Rectangle in Histogram
Maximal Rectangle
Maximum Subarray II
Maximum Subarray III
Longest Increasing Continuous Subsequence
LongestIncreasing Continuous Subsequence II
Decode Ways
Interleaving String
Distinct Subsequences
Palindrome Partitioning
Palindrome Partitioning II
Word Break
Word Break II
Maximum Product Subarray
Dungeon Game
House Robber
House Robber II
Maximal Square
Paint House
Paint House II
Paint Fence
Perfect Squares
Range Sum Query 2D - Immutable
Burst Balloons
Coin Change
Longest Common Subsequence
Longest Common Substring
Backpack
Backpack II
Coins in a line
Coins in a Line III
Post Office
Stock Maximize
Android Unlock Patterns
Sorting
Maximum Gap
The Skyline Problem
Merge Intervals
Insert Interval
Sort Colors
Meeting Room II
Wiggle Sort II
H-Index
First Missing Positive
The Smallest Difference
Count of Range Sum
Nuts & Bolts Problem
Subarray Sum Closest
Top K Frequent Elements
Binary Search
Median of Two Sorted Array
Search in Rotated Sorted Array
Search for a Range
Search Insert Position
Pow(x, n)
Sqrt(x)
Find Minimum in Rotated Sorted Array
Find Minimum in Rotated Sorted Array II
Find Peak Element
Count Complete Tree Nodes
Smallest Rectangle Enclosing Black Pixels
Longest Increasing Subsequence
Kth Largest Element in an Array
Kth smallest elment in sorted Matrix
Triangle Count
Wood Cut
Find Peak Element II
Russian Doll Envelopes
Valid Perfect Square
Guess Number Higher or Lower
Find Right Interval
BackTracking
Flip Game II
Letter Combinations of a Phone Number
Generate Parentheses
Sudoku Solver
Combination Sum
Combination Sum II
Combination Sum III
Combinations
Permutations
Permutations II
All Permutations of String
Word Search
Word Search II
Word Pattern II
Restore IP Addresses
Word Ladder II
N-Queens
N-Queens II
Subsets
Subsets II
Factor Combinations
Generalized Abbreviation
Permutation Index
Permutation Index II
Depth-First Search
Strobogrammatic Number II
Strobogrammatic Number III
Palindrome Permutation II
Path Sum
Binary Tree Right Side View
Count Univalue Subtrees
Expression Add Operators
Remove Invalid Parentheses
Longest Increasing Path in a Matrix
Reconstruct Itinerary
K Sum II
Breadth-First Search
Binary Tree Level Order Traversal
Detect if a tree is complete binary tree
Word Ladder
Surrounded Regions
Clone Graph
Course Schedule
Topological order
Graph Valid Tree
Alien Dictionary
Walls and Gates
Minimum Height Trees
Shortest Distance from All Buildings
Nested List Weight Sum
Greedy
Wildcard Matching
Container With Most Water
Trapping Rain Water
Candy
Gas Station
Jump Game
Jump Game II
Remove Duplicate Letters
Create Maximum Number
Patching Array
House Robber III
Design
Peeking Iterator
Design Hit Counter
Design Phone Directory
Memory Limits
Word Count in a large file
Compute the K Closed Stars
Find an integer not among four billion given ones
How to detect duplicate documents in billions of urls
Find Duplicate Numbers
Design Tic-Tac Toe
面经
VMWare
System Design
Key paradigms for Developing the clean Objected Oriented Code
What happened if you tap a URL at a browser?
Design A Parking System
OOD for a Restaurant
Design Elevator System
Design A Call Center
Design a tinyurl system
Design A Web Crawler
Design Rate Limiter做限流
Twitter News Feed Design
AutoComplete
Design a random ID generation system
Uber
Design A Cache System
Cinema Theatre Design
Design a distributed key-value store
设计自动售货机
Pizza Booking
Design ATM Machine
Design a data structure
System Architecture
一致性哈希
Architects Should Code: The Architect’s Misconception
WebChat
Stack Overflow
Search Engine
What To Do When Your Website Goes Down?
秒杀架构设计
DataBases
Network
I\/O Models
Linux EPoll
The C10K problem
TCP ZeroWindow results in Connection Close
Probabilistic Data Structures
Spring
Spring Rest Consumer
Spring Boot
Powered by
GitBook
Pizza Booking
Pizza Booking
OOD题，设计在线订披萨里的披萨。有各种大小的披萨，披萨可以有各种topping，同一种topping也可以同时上好几个，比如double cheese。写披萨的数据结构，然后写个函数计算披萨价格。
References
Pizza problem – builder vs decorator
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