Course Introduction
This course is a cheetah moving large data architect, according to the practical application of Java in the company's big data development, well-designed and polished big data necessary Java classes. Through this course of large data novice can avoid detours, a shorter time to master the big data system development required language Java, and laid a solid foundation for learning language courses follow big data.
For people
1. Students want to learn no language-based big data
2. Big Data not want to learn basic Java language students
3. switch large data students want to learn
4. Understand Java, Java Big Data incomplete knowledge of students
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Course Outline
Big Data Java first class
1. Big Data Development Why Java
2. in large data learn to what extent the development of Java
3. How do I learn Java
Big Data Java Stage01
1. Course Introduction
2. introduce basic computer knowledge
3.Java Language Overview
JDK and the difference 4.JRE
5.JDK download + installation + configuration
6.Java entry program development
7. Introduction and development tools Eclipse installation
8.Eclipse basic use
Use 9.Eclipse shortcuts
Export and import projects 10.Eclipse
Big Data Java Stage02
1. Keyword Introduction
2. introduction Identifier
3. Notes Introduction
4. Constant introduction
5. Variables Description
6. Data Type Description and Use
7. Data type conversion
8. Arithmetic Operators
9. Assignment operators
10. Comparison operators
11. Logical Operators
12. The ternary operator
13. Analyzing Structure -if
14. determine the structure - Exercises
15. Choose structure -switch
16. Select structure - Exercises
17. The cyclic structure -while + do-while
18. The loop structure while- exercises
19. The loop structure -for
20. The loop structure for- exercises
21.for nested loop
22.for cycle realized multiplication table 9x9
23. The introduction escape character
24.break use
25.continue use
26. The flow control statements summary
27. The format and function definitions
28. The function of the characteristics of
29. Note the use of the function
30. The application function
31. overloaded function
32. The definition of an array
33. The array of memory allocation
34. Array Operations FAQ
The second array 35. Definition Format
36. The operation of the array - Get all the elements
37. The operation of the array - Get the most value
38. The operation of the array - Selection Sort
39. The operation of the array - Bubble Sort
40. The operation of the array - Find an array of elements
41. The operation of the array - binary - binary search
42. The definition of two-dimensional array
All the elements 43. The two-dimensional array of print
44. obtain two-dimensional array of all elements and
Big Data Java Stage03
1. Introduction Object-Oriented
2. The relationship between classes and objects
3. Classes and Objects Case Study
4. FIG memory objects
The member variables and local variables
6. anonymous object
7. The first feature of object-oriented - Encapsulated
8. Introduction constructor
9. constructor case realization
10.this keyword distinguish variables of the same name
Call 11.this keywords among the constructor
12.static keyword description
13. The difference between static variables and instance variables
14. The use of a static scene
15. The use of tools
16.main function
17. A static code block
18. singleton design pattern Introduction
19. A first implementation of the single design pattern
20. A second implementation of the single design pattern
Big Data Java Stage04
1. Overview of inheritance
2. inherited characteristics
3. inheritance reflect
4. Inheritance member variable characteristics
5. inherited characteristics in a member function
6. characteristics of inheritance constructor
7.final keyword
8. abstract class Overview
9. abstract classes Case Study
10. The details of the abstract class
11. Interface Overview
12. The difference between inheritance and implementation
13. The difference between the classes and interfaces
14. The difference between the abstract class and interfaces
15. The multi-interface inheritance feature
16. polymorphic Overview
17. The multi-state idea
18. A polymorphic conversion type
19.instanceof keyword
20. Polymorphic summary
21.Object-equals method
22.Object-toString和hashCode
23.Object-getClass method
24. Internal Class Overview
25. Abnormal Overview
26. unusual system
27. The first exception handling -try-catch
28. The second approach unusual -throws
Abnormal compile time and run 29. The exception
30.finally block
31. A package (package) Overview
Access between the package 32. Package
33.import keyword
Generating jar package 34.eclipse
35. The kit as jar package
36. The two modes of operation jar package
37. The transmission parameters to the jar package
Big Data Java Stage05
1. Introduction Multithreading
The 2.JVM multithreading
3. The first way to create threads
4. thread running randomness
5. The definition of acquisition and the name of the thread object
6. threads running status legend
7. The second way to create threads
8. The difference between the two ways to create a thread way
9. The reason for thread safety problems
10. The sync block -synchronized
11. The thread synchronization principle
12. Synchronization Function
13. The lock synchronization function used
14. singleton design pattern of the code optimization lazy formula
15. Introduction to the thread pool
16. The use of the thread pool
17. How to choose the number of threads in the pool
Big Data Java Stage06
1.String Overview
2.String constructor
3.String common functions - judge
4.String common features - Get
5.String common functions - Conversion
6.String common functions - Replace cutting + Compare +
7.StringBuffer Overview
8.StringBuffer common functions - Add
9.StringBuffer common features - deleted
10.StringBuffer common functions - Location Gets a string that appears
11.StringBuffer common functions - Replace
12.StringBuffer common functions - Modify
13.StringBuffer common functions - Reverse
14.StringBuilder features
15.StringUtils Tools
16. The basic data types object wrapper class
17. The basic data types object wrapper class new features
Big Data Java Stage07
1. Overview of collections
2.Collection basic operations
3.Collection basic operations
4. iterator
The set of exercises - store customized objects
6.List set of common methods
7.List subclass object characteristics set
8.List set subclass -LinkedList
9.List set subclass -Vector
10.Set Collections Overview
11.Set set subclass -HashSet
12.Set set subclass -TreeSet
13.Set set subclass -LinkedHashSet
14. The set of summary
15. A queue set extension -Queue
16. Generics Overview
17. generics in the collection
18. The use of generic classes
19. The use of generic methods
20. The use of generic interface
21. generics wildcards
22. Generics Limited
23.Map Overview
24.Map sub-class features and use
25.Map way a set of values KeySet
26.Map set of values Second way EntrySet
27.HashMap custom objects stored in the collection
28.Map collection of LinkedHashMap
29.Map collection of TreeMap
The method set values 30.Map
31.Map set extension - nesting map
32.MapUtils Tools
33. A collection of tools used -Collections -1
34. A collection of tools used -2 -Collections
35. Use of a collection of tools -Arrays
36. The set switch array
37. The enhanced for loop
38. The function of the variable parameter
Big Data Java Stage08
1. Common class -System
2. The common class -Runtime
3. Common class -Math
4. Common class -Random
The common class -Date
6. common class -DateFormat
7.Date exercises
8. The common class -Calendar
9.IO Flow Overview
10.IO common base class flow
11. Create a file -FileWriter
12.IO unusual basic approach
Details 13.FileWriter - the contents of the file append
The first way to read the file 14.FileReader
15.FileReader the second document read mode
16. The first way to copy a text file
17. The second way to copy the text file
18.BufferedWriter usage
19.BufferedReader usage
20. The text buffer object copied by
21. The character stream summary
22. A byte stream file read and write
23. Copy image byte stream
24. A byte stream buffer
25. get keyboard input
26. Conversion of application flow
27. The coding table describes
28. Conversion encoded stream applied
The basic flow of the application summary 29.IO
30.File class presentation
31.File common features - Create
32.File common features - deleted
33.File common functions - judge
34.File common features - Get
35.File common functions - Rename
36.File common features - Get a list of files
37.FileUtils Tools
38.Properties Introduction
39.Properties loading and storage capabilities
40. A persistent storage object serialization +
Big Data Java Stage09
1. Introduction to Network Programming
2. Regular expressions overview
3. Regular Expressions - match
4. Regular Expressions - cutting at regular group
The regular expression - replacing
6. Regular Expressions - Get
7.Java source decompile
Big Data reptiles combat
1. Introduction crawler technology
2. target site selection and building projects reptiles
3. The page download code development
4.XPATH resolve Jingdong phone list page
5.Jsoup resolve Jingdong phone list page
6.Jsoup resolve Jingdong details page