Java basic video tutorial high score, entry. The resources on electric donkey and thunder are too messy. I don't know which ones to download and whether they have been sorted out.

I have Han Shunping's video lecture here, which is very basic. I'll give it to you if you need it. The following is a list:

Han Shunping learns java step by step from entry to mastery Lecture 0-Chapter 1

Han Shunping studied java step by step, from entry to mastery. Lecture 1- Analysis on the Demonstration Principle of Content Introduction Project

Content introduction: This chapter explains the following contents: (1) Course introduction (2) Project demonstration (tank game, Thunder Battleship, Manhan Building, Bomber ...) (3)java introduction (4)java development tools introduction (5)java language features (6)jdk installation and configuration demonstration (7)Java operation principle analysis (Hello

Han Shunping's Step-by-Step Learning java from Beginners to Proficiencies Lecture 2-Variable Data Types

Content introduction: This chapter explains the following contents: (1) Understanding variables (2) 2) Basic data types of Java (3) Defining variables, initializing and assigning values (4) Conversion of basic data types A. Automatic conversion B. Forced conversion C. Conversion in calculation.

Han Shunping learns java step by step from entry to mastery Lecture 3-Operator Process Control

Content introduction: This chapter explains the following contents: (1) arithmetic operators of Java, (2) relational operators of Java, (3) logical operators of Java, (4) sequence control, and (5) branch control.

Han Shunping learns java step by step from entry to proficiency Lecture 4-Process Control

Content introduction: This chapter explains the following contents: (1)java's three major process controls-branch control (2)java's three major process controls-loop control (3) job layout.

Han Shunping learns java Lecture 5- Class Objects step by step from beginner to proficient.

Content introduction: This chapter explains the following contents: (1) introduction of classes, (2) introduction of objects, (3) relationship between classes and objects, (4) difference and connection between classes and objects, (5) how to define classes and (6) how to create classes.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 6-Member Attribute Member Method

Content introduction: This chapter explains the following contents: (1) class member attributes; (2) How to access (use) the member variables of the object; (3) the form of the object in memory; (4) Definition and use of member methods of a class.

Han Shunping's Step-by-Step Learning java Lecture 7- Member Method Construction Method

Content introduction: This chapter explains the following contents: (1) Understanding of class member methods (2) Methods-calling procedures (3) Class member methods (functions)-Precautions (4) Definition and use of class member methods (5) Class construction methods (default construction methods) (6) Summary of class construction methods.

Han Shunping learns java step by step from entry to mastery Lecture 8-Variables in this lesson

Content introduction: This chapter explains the following contents in detail: (1) this pronoun; (2) Detailed class variables.

Han Shunping's Step-by-Step Learning from Introduction to Proficiency java Lecture 9- Class Method Encapsulation

Content introduction: This chapter explains the following contents: (1) Detailed description of class methods (2) Abstraction (3) Encapsulation (4) Four access modifiers public private protected default (5) Package.

Han Shunping studied java step by step, from entry to mastery. Lecture 10- Access Modifier Overload Override

Content introduction: This chapter explains the following contents: (1) Detailed description of four access modifiers (2) Detailed description of inheritance (3) Overloading of methods.

(4) the coverage of the method

Han Shunping's lecture on learning java step by step from entry to proficiency 1 1- josephus problem

Content Description: This chapter explains the following contents: (1) Detailed explanation of josephus problem (linked list solution).

Han Shunping's lecture on learning java step by step from entry to mastery 12- polymorphism

Description: This chapter explains the following contents: (1) Detailed explanation of polymorphism.

Han Shunping's lecture on learning java step by step from entry to proficiency 13- abstract class interface

Content Description: This chapter explains the following contents: (1) Detailed description of abstract classes (2) Detailed description of interfaces.

Han Shunping studied java step by step, from entry to mastery. Lecture 14- final assignment review

Content introduction: This chapter explains the following contents: (1) Realizing polymorphism with interfaces (2) Realizing interfaces vs inheriting classes (3) Explain in detail (3)final modifiers.

(4) Job evaluation

Han Shunping's lecture on learning java step by step from beginner to proficient 15- homework test.

(1) Homework and Test Comments

Han Shunping's lecture on learning java step by step from entry to proficiency 16- array

(1) Array Details (2) Simple Data Type Array (3) Object Array

Han Shunping's lecture on learning java step by step from beginner to proficient 17- ranking

(1) Introduction to Sorting (2) Bubble Sorting (3) Selection Sorting

Han Shunping Learn java Lecture Step by Step from Beginners to Proficiencies 18- Sorting Search

(1) Insertion sorting method (2) Quick sorting method (3) External sorting method (4) Search introduction (5) Sequential search and method of bisection.

Han Shunping's lecture on learning java step by step from entry to mastery 19- multidimensional array

Interpretation of (1) Multidimensional Array

Han Shunping's Step-by-Step Learning java from Introduction to Proficiency Lecture 20 —— Binary Bit Operation Displacement Operation

Content: This chapter explains the following contents: (1) binary (original code, complement) (2) bit operation (inversion, bit AND, bit XOR, bit OR) (3) displacement operation (arithmetic right shift, arithmetic left shift, logic left shift).

Han Shunping learns java lecture step by step from entry to mastery 2 1- collection

Content introduction: This chapter explains the following contents: (1) Setting the frame diagram, system introduction (2)ArrayList detailed explanation.

Han Shunping learns java step by step from entry to mastery Lecture 22-Collection

Content introduction: This chapter explains the following contents: (1) Using ArryaList to complete the employee compensation management system; (2) Introduce and use 2) Linked list; (3) introduction and use of 3) carrier; (4) Introduce and use 4) Stack.

Han Shunping's lecture on learning java step by step from entry to proficiency 23- Collection

Content introduction: This chapter explains the following contents: (1) introduction and use of HashMap (2) introduction and use of Hashtable (3) difference between HashMap and Hashtable (the difference between ArrayList and Vector).

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 24- Collection Supplement

Description: This chapter explains the following contents: (1) Supplementary notes on collection and use.

Han Shunping learns java step by step from entry to mastery Lecture 25-Generic Exceptions

Content introduction: This chapter explains the following contents: (1) Introduction of Java generics (2) Detailed explanation of Java generics (3) Advantages of Java generics.

(4) Introduction and classification of anomalies

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 26 —— Pervert.

Content introduction: This chapter explains the following contents: (1) exception handling-try catch finally (2) exception handling-throws.

Han Shunping learns java step by step from entry to mastery Lecture 27-Homework Review

Content introduction: This chapter explains the following contents: (1) Homework evaluation (best referee, students' grades ...)

Han Shunping learns java step by step from entry to mastery Lecture 28-Comments on interview questions

Content introduction: This chapter explains the following contents: (1) Comments on interview questions of CCID programmers [to be finalized ...]

Han Shunping learned java step by step from beginner to proficient. Lecture 29-Introduction of Swing in Manhan Building

Content introduction: This chapter explains the following contents: (1) Graphical user interface programming introduction (gui)(2) Manhanlou catering system demonstration.

(3)awt swing swt jface Relationship (4)eclipse Introduction (5)swing Component Introduction (6)swing Form Component and Button Component.

Han Shunping learns java step by step from entry to proficiency Lecture 30-Layout Manager

Content introduction: This chapter explains the following contents: (1) Introduction of layout manager (2)BorderLayout boundary layout (3)FlowLayout process layout (4)GridLayout grid layout.

Han Shunping's Step-by-Step Learning java Lecture 3 1- General Components from Beginners to Proficiencies

Content introduction: This chapter explains the following contents: (1) introduction and use of JPanle (2) comprehensive use of layout manager.

(3)swing general component jtextfield jpasswordfield jlabel (4) Swing general component JCheckBox JRadioButton(5)swing general component JComboBox JList JScrollPane

Han Shunping learns java step by step from entry to mastery Lecture 32-swing programming in actual combat

Content introduction: This chapter explains the following contents: (1)swing programming exercise-Kingsoft PowerWord interface (2)swing programming exercise -qq chat interface (3)swing programming exercise -qq login interface (4)swing programming exercise-notebook interface (5)swing component JSplitpane JTextarea J tabbed pane (6) Swing component J menu bar JM.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 33-Drawing Technology Tank Battle 1

Content introduction: This chapter explains the following contents: (1) tank battle game demonstration (2)java drawing coordinate system.

(3) The concept of pixel (4)java drawing technology-principle (5) Common methods of Java drawing.

Han Shunping learns java step by step from entry to mastery Lecture 34-Drawing Technology tank battle II

Content introduction: This chapter explains the following contents: (1) Tank Battle Game-Drawing Tank (2) Homework-Drawing Toad and Tortoise.

Han Shunping Learn java Step by Step from Introduction to Proficiency Lecture 35- Event Handling tank battle 3

Content introduction: This chapter explains the following contents: (1)java event handling mechanism-principle; (2) Detailed explanation of the case of Java event handling mechanism.

(3) Detailed explanation of event handling method of event source event listener (4) Understanding of popular version (4)java event handling mechanism.

(5) Control a ball to move up and down (keyboard monitoring)

Han Shunping Learn java Lecture Step by Step from Beginners to Proficiencies 36- Event Monitoring Tank Battle 4

Content introduction: This chapter explains the following contents: (1)java event handling mechanism continues to explain (2) event listener interface.

(3) Event handling mechanism in some cases

Han Shunping Learn java Step by Step from Introduction to Proficiency Lecture 37- Event Summary tank battle 5

Description: This chapter explains the following contents: (1)java event handling programming summary (2) Tank versus game-let your tank move freely.

Han Shunping Learn java from Beginners to Proficiencies Step by Step Lecture 38- Thread Tank Battle 6

Content introduction: This chapter explains the following contents: (1) Process introduction (2) Thread and its function introduction.

(3) developing threads by inheriting thread classes; (4) Developing threads by implementing Runnable interface.

Han Shunping Learn java from Beginners to Proficiencies Step by Step Lecture 39- Thread Tank Battle 7

Content introduction: This chapter explains the following contents: (1) How to better understand threads (2) the difference between inheriting threads and implementing runnable interfaces (3) the practical application of threads-tank versus game (3.0) players can fire bullets.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 40- Threads

Content introduction: This chapter explains the following contents: (1) Experience of thread use (2) Thread synchronization processing method.

(3) Object lock and thread safety (4) 4) Specific use of synchronization.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 4 1- tank battle 8

Description: This chapter explains the following contents: (1) Upgrade of tank warfare game (3.0) Players can fire bullets continuously.

(2) Tank Battle Game Upgrade (3.0) When an enemy tank is hit, it disappears.

Han Shunping learns java step by step from entry to mastery Lecture 42-Tank Battle 9

Introduction: This chapter explains the following contents:

(1) tank battle game upgrade (4.0) When an enemy tank is hit, the enemy tank disappears and an explosion effect appears.

(2) tank warfare game upgrade (4.0) enemy tanks can move freely.

(3) The upgrade of tank warfare game (4.0) can move and control enemy tanks in the area.

(4) tank warfare game upgrade (4.0) enemy tanks can fire bullets.

(5) tank warfare game upgrade (4.0) enemy tanks can fire bullets.

Han Shunping learns java step by step from entry to proficiency Lecture 43 -io Programming Tank Battle 10

Introduction: This chapter explains the following contents:

(1) tank battle game upgrade (4.0) When an enemy tank hit my tank, my tank exploded and disappeared.

(2) Tank Battle Game Upgrade (4.0) How to control the overlapping movement of enemy tanks?

(3) Introduction of 3)java io programming (file programming).

(4) Basic concepts of files and file streams.

(5)java io stream class list

(6) Introduce the classification of file stream, byte stream and character stream.

Han Shunping learns java step by step from entry to mastery Lecture 44-IO programming

Content introduction: This chapter explains the following contents: (1)java universal io stream-file class (2) Demonstrate how to obtain file information.

(3) Demonstrate how to create folders, traverse files and create new files.

(4) 4) Use cases of fileinputstream and FileOutputStream classes.

Han Shunping learns java step by step from entry to mastery Lecture 45-IO programming

Introduction: This chapter explains the following contents:

(1) use FileInputStream and FileOutputStream to copy pictures.

(2) Use case of file character stream file reader and file writer

(3) Use case of buffered character stream: BufferedReader BufferedWriter

(4) PrintWriter for printing the output stream.

Han Shunping learns java lecture step by step from entry to proficiency. 46 -io Programming Notepad Development

Content introduction: This chapter explains the following contents: (1) Comprehensive case of Java IO programming (2) Simple file notepad development.

Han Shunping's lecture on learning java step by step from entry to mastery 47- tank battle 1 1

Content introduction: This chapter explains the following contents: (1) tank warfare game upgrade (5.0) How to control the overlapping movement of enemy tanks.

Han Shunping's lecture on learning java step by step from entry to mastery 48- tank battle 12

(1) tank warfare game upgrade (5.0) can be divided.

(2) Tank Battle Game Upgrade (5.0) Flash Effect

(3) Upgrade of tank warfare game (5.0) You can pause and continue while playing the game.

(4) The upgrade of tank warfare game (5.0) can record the players' achievements.

Han Shunping's lecture on learning java step by step from entry to mastery 49- tank battle 13

(1) The upgrade of tank campaign game (5.0) can be saved and exited.

(2) The tank battle game upgrade (5.0) can be restored to the exit state and then played in the last game.

Han Shunping's lecture on learning java step by step from entry to mastery 50- tank battle 14

(1) tank battle game upgrade (5.0) java play sound file (2) play classic fc tank battle game start sound.

Han Shunping learns java step by step from entry to mastery 5 1- homework review

Content Introduction: This chapter explains the following contents: (1) Sorting of Old Monkeys-Job Evaluation.

Han Shunping studied java step by step, from entry to mastery. Lecture 52-Comment on Test Questions

Content introduction: This chapter explains the following contents: (1) Comments on the written test questions of CCID junior programmers.

Han Shunping learns java step by step from entry to mastery Lecture 53-Database Concept

(1) Basic concept of database (2) Basic structure of database (3) Basic characteristics of database (4) Introduction of current mainstream databases.

Han Shunping learns java step by step from entry to proficiency Lecture 54 -sql server installation and configuration uninstallation

(1) Installation, configuration and uninstallation of SQL Server database

Han Shunping learns java step by step from entry to proficiency Lecture 55-Basic use of -sql server

(1) Creation and password distribution of database sa users and ordinary users (2) Description 2)windows authentication and mixed authentication.

(3) Basic use cases of enterprise manager

Han Shunping learned java step by step from beginner to proficient. Lecture 56-Query Analyzer ddl dml dql

(1) Basic use cases of query analyzer (simple use cases of ddl, dml and dql statements.

Han Shunping learns java step by step from entry to mastery Lecture 57 -sql server data types

(1) naming rules for table names and column names (2) data types supported by tables-charvarchar text ntextnchar nvarchar (3) data types supported by tables-$ -number types bit.

Han Shunping learns java lecture 58 -sql server data types step by step from entry to proficiency.

Data types supported by (1) table-value type int larger floating-point value.

(2) Data types supported by table date time stamp

(3) Data types supported by table image binary

(4) Basic operations of tables (creation, addition, deletion and modification of tables)

Han Shunping learns java step by step from entry to proficiency Lecture 59-Basic Query of -sql server

(1) Primary key and foreign key of the table (2) Query all columns, specify columns, and cancel duplicate rows (3) Use arithmetic expressions, use column aliases (4) Use where clauses (5) Fuzzy query (like).

Han Shunping learns java step by step from entry to proficiency Lecture 60-Basic Query of -sql server

(1) is used in (2), where the condition (2) uses the null operator (3) uses the logical operator symbol (4) uses the order by sentence.

(5) using column aliases for sorting; (6) grouping data-max, min, avg, sum, count (7) group by and having clauses.

(8) Data grouping summary

Han Shunping's Step-by-Step Learning java Lecture 6 1 -sql server Complex Query

(1) Multi-table query (2) Self-join (3) Single-row subquery Multi-row subquery

Han Shunping learns java step by step from entry to proficiency Lecture 62 -sql server Complex Query

(1) Use subquery (2) Paged query (3) Inner join (4) Outer join (left outer join and right join) in the from clause.

Han Shunping learns java step by step from entry to mastery Lecture 63 -sql server Constraints

(1) Maintain data integrity (2) Unique check of primary key and foreign key non-empty foreign key.

Han Shunping learns java step by step from entry to proficiency Lecture 64 -sql server Backup Recovery jdbc-odbc

(1) Use Enterprise Manager to detach and attach databases; (2) Use Enterprise Manager to back up and restore the database.

(3) Using query analyzer to complete database backup and recovery (4) Introduction 4)crud.

(5) Introduction of JDBC and classification of JDBC driver (6) Detailed explanation of 6)jdbc-odbc bridge case.

Han Shunping Learn java Lecture from Beginners to Proficiencies Step by Step 65 -sql server jdbc

(1) Detailed explanation of JDBC-ODBC bridge case (2) Analysis of 2)sql injection vulnerabilities (3) Using PreparedStatement skills.

(the difference between statement and PreparedStatement.

Han Shunping Learn java Lecture from Beginners to Proficiency Step by Step 66 -sql server jdbc

(1)jdbc drives direct connection database (2)JDBC case details (3) Creating and deleting database (table) in java program.

(4) Back up and restore the database (table) in the java program.

Han Shunping learns java step by step from entry to mastery Lecture 67-Comments -sql server homework

(1) Comment on the table operation test (important! )

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 68- Project Development Process

(1) Introduction of software development project flow (2) Brief introduction and analysis of catering system in Manhanlou.

Han Shunping Learn java from Beginners to Proficiencies Step by Step Lecture 69- Project Analysis of Student Management System 1

(1) The development process of student management system 1 is introduced in detail. Making flow chart with jude 2. Design the database. Functional analysis.

(3) One of the actual database programming-student management system 1

Han Shunping learns java step by step from entry to mastery Lecture 70-Student Management System II

Database Programming-Student Management System II

Han Shunping's lecture on learning java step by step from entry to mastery 7 1- Addition, deletion and modification of student management system 3

(1) One of the actual combat of database programming-Student Management System 3 completes the addition, deletion and modification of students.

Han Shunping learned java step by step from entry to mastery. Lecture 72-4, model2 mode of student management system.

(1) Database Programming-Student Management System 4

Complete the revision of student information.

(2) Put forward the concept of mode; (3) Change the student management system from model 1 mode to model2 mode.

Han Shunping learns java step by step from entry to mastery Lecture 73 —— 5 sqlhelper of student management system

(1) Database Programming-Student Management System 5

In model2 mode, the model layer, business layer and DAO layer are layered again.

(2) Write a DAO class sqlhelper; (3) Complete the student management system and summarize it.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 74-Analysis of Manhanlou System 1 Project

(1)java Project Training-Manhanlou Catering System 1

Design and analysis of catering system in Manhanlou

Demonstration of catering system in Manhanlou

Description of design documents of catering system in Manhanlou

(2) Fully understand the five major processes of project development.

Han Shunping Learn java Step by Step from Beginners to Proficiencies Lecture 75 —— Analysis of Manhanlou System 2 Project

(1)java Project Training-Manhanlou Catering System II

Installation and configuration of catering system in Manhanlou

Operation flow of catering system in Manhanlou

Han Shunping learned java step by step from beginner to proficient. Lecture 76-Manhanlou System 3 realizes splash screen login

(1)java Project Training-Manhanlou Catering System 3

A. realize the login splash screen effect B. realize the login interface

Han Shunping learns java step by step from entry to proficiency Lecture 77-Manhanlou System 4 Menu

(1)java Project Training-Manhanlou Catering System 4

A. realize the login interface. B. The menu section, the main interface for managers, supervisors and system administrators.

Han Shunping studied java step by step, from entry to mastery. Lecture 78-Manhanlou System 5 Toolbar Status Bar

(1)java Project Training-Manhanlou Catering System 5

A. analyze the layout structure of the main interface.

B. Implement the main interfaces of managers, supervisors and system administrators-toolbar and status bar.

Han Shunping learns java step by step from entry to proficiency Lecture 79-Login Verification of Manhanlou System 6

(1)java Project Training-Manhanlou Catering System 6

A. Write some classes of data layer and business layer to complete the login verification of users to the database.

B. deepen the understanding of model2 mode. Writing SqlHelper tool classes

Han Shunping learned java step by step from beginner to proficient. Lecture 80-7- Window Split of Manhanlou System

(1)java Project Training-Manhanlou Catering System 7

A. Complete the main interface of manager, supervisor and system administrator-eight optional operation options.

B. complete the split display of the window.

Han Shunping Learn java Lecture from Beginnings to Proficiency Step by Step 8 1- Interface Switching of Manhanlou System 8

(1)java Project Training-Manhanlou Catering System 8

A. Switch between personnel management and login management in the main interface of manager, supervisor and system administrator.

B. Complete some special effects on the main interface.

Han Shunping learned java step by step from beginner to proficient. Lecture 82-Man Han Lou System 9 Personnel Management

(1)java Project Training-Manhanlou Catering System 9

A. Display, add, delete and modify the main interface of manager, supervisor, system administrator and personnel management.

Han Shunping learns java step by step from entry to proficiency Lecture 83-uml diagram of Manhanlou system for report statistics 10

(1)java Project Training-Manhanlou Catering System 10

A. Complete the display of report statistics for managers, supervisors and system administrators in the main interface.

B how to use jude software to design use case diagrams, class diagrams and sequence diagrams of uml (important)

C. Manhanlou Project Training-End

Han Shunping Learn java Step by Step from Introduction to Proficiency Lecture 84- Network Basis

(0) The opening name of 0) java network programming (1) Shanzhai qq project demonstration (2) Why choose qq to explain network programming?

(3) Network cable, network card and wireless network card (4) Introduction of protocol (tcp/ip) (5) Introduction of IP address (6)Ip address and packet routing.

Han Shunping studied java step by step, from entry to mastery. Lecture 85-programming principles of port url socket

(1) port (2)url address (3) simplex, half-duplex and full-duplex concepts (4) basic schematic diagram (4)java network programming.

(5) The client sends a message to the server (half-duplex communication)

Han Shunping studied java step by step, from entry to mastery. Lecture 86-Half-duplex and full-time jobs

(1) The client sends a message to the server (half-duplex communication)

On the basis of example 1, we can input information from the console and communicate with each other.

(2) The client and the server can exchange information at will and have interfaces.

Han Shunping from Introduction to Proficiency in Step-by-Step Learning java Lecture 87- Login Interface of Shanzhai qq Project 1

(1) One of the actual combat of fake qq World Project (2) Complete the fake qq login interface.

Han Shunping Learn java Lecture from Entry to Proficiency Step by Step 88- Shanzhai qq Project 2 Friend List Interface

(1) The second practical project of Shanzhai qq World (2) Complete the friend list interface of Shanzhai qq.

Han Shunping Learn java Lecture from Entry to Proficiency Step by Step 89- Shanzhai qq Project 3 Chat Interface Object Flow

(1) Shanzhai qq World Project III (2) Complete Shanzhai qq chat interface (3) Explain how to transfer object streams between networks.

Han Shunping Learn java Lecture from Entry to Proficiency Step by Step 90- Login Verification of Shanzhai qq Project 4

(1) The fake version of qq World Project 4 (2) completes the server control interface.

(3) Complete the program structure analysis of client and server; (4) Complete user login verification (go to the server for verification).

Han Shunping learns java lecture step by step from entry to proficiency 9 1- cottage qq project 5 one-on-one chat

(1) The fake version of qq World Project No.5 was put into practice.

(2) Highlight friends when the mouse moves to his side, and double-click to pop up a chat window. (3) Complete one-on-one chat.

Han Shunping learns java lecture step by step from entry to proficiency. 92-6 Chat on qq Project in Shanzhai.

(1) Shanzhai qq World Project 6 (2) Complete many-to-many chat of Shanzhai qq.

Han Shunping learned java step by step from beginner to proficient. Lecture 93-Online Tips for 7 Friends of Shanzhai qq Project

(1) The seventh practical project of Shanzhai qq World (2) Complete the demonstration of many-to-many chat of Shanzhai qq.

(3) To complete the fake version of qq, how to display the color avatar when friends are online and the gray avatar when they are not online.

Han Shunping learned java step by step from beginner to proficient. Lecture 94-Online Tips for 8 Friends of Shanzhai qq Project

(1) Shanzhai qq World Project 8 (2) Complete Shanzhai qq When friends are online, you can notify them all.

Online friends, and let his avatar show color avatar.

(3) Put forward new tasks that need to be completed.

1. Repeated login of the same account is not allowed.

If your friends are not online, you can't chat.

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