Geek Academy Java Video Tutorial

Introduction to Java language

Introduction to JRE and JDK

Download and installation of JDK under Windows

Download and installation of JDK under Mac OSX

Download and installation of Eclipse

Install function extension plug-in for Eclipse

Create and run Java projects

The structure of a Java project

Import and export of Java projects

Commonly used output debugging techniques in Java

Java operation skills in Eclipse

Get to know Eclipse

Eclipse derivatives

Download and install Eclipse

Install function extension plug-in for Eclipse

Summary of this lesson

An overview of computer systems

Conversion between hexadecimal and other bases

Conversion between binary and other bases

Conversion between decimal and other base systems

Basic data types

Definition of variables and reasons for using them

Naming, defining and initializing variables

Use variables to simplify calculations

Use variables to store multiple types of data

variable scope

Wrapper classes for basic data types

Two's complement

integer type

floating point type

Character type

Escapes

The concept and usage of Boolean type

Convert small type to large type

Small type to large type conversion case

Convert large type to small type

Conversion between int type and char type

Get data through args array

Get data from console via Scanner

Case study of console input data

Variable self-add, self-subtract, self-multiply, and self-divide operations

Swap the values ​​of two variables

Java error types

DebugDebugging

Debug debugging case

Types of Java relational operations

Java examples explain the role of judgment statements and process control in relational operations

Types of Java logical operations

Java logic long circuit short circuit "AND" operation

Java logic long circuit short circuit "OR" operation

Java logical "not" operation

Java logical operation priority

Java logic operation case

Java If Statement Overview and Usage Format

Java If statement uses format 2-if else statement

Java If statement uses format 3-if nested statement

Java If Statement Algorithm Example 1 Keyboard Input Java Android SQL Three Subject Scores Find the Highest Score

Java If Statement Algorithm Example 2 Selection Method to Find the Highest Score in Three Subjects

Java Switch Statement Overview

Java Switch statement application case 1 Determine int type data

Java Switch statement application case 2 "penetration" phenomenon of switch statement

Java Switch statement application case 3 keyboard input string and judgment

Java Switch statement application case 4 displays the number of days in a specified month

Java loop overview and while loop

Use a while loop to print all uppercase English letters and their corresponding Unicode code solutions (1)

Use a while loop to print all uppercase English letters and the corresponding Unicode code solution (2)

Do While loop usage format and execution flow

Use Java do while loop to print all uppercase English letters and corresponding Unicode code solutions (1)

Use java do while loop to print all uppercase English letters and corresponding Unicode code solutions (2)

Format of Java For loop statement

Advantages of Java Array Definition Classification Declaration

Java array memory allocation

Java array static initialization

Use of Java arrays

Java two-dimensional array declaration memory allocation introduction and use

Detailed explanation of Java string String

Common methods of Java String strings

Java StringBuffer methods

Java StringBuider usage

Java exception handling - catching exceptions

Java exception handling-common exceptions

Java exception handling - throws keyword (1)

Java exception handling - throws keyword (2)

Java exception handling-custom exception

Java method creation and overloading

Creation of classes and the relationship between classes and objects

Java object-oriented programming

Java method recursive call

The use of Java encapsulation

Use of java anonymous objects

The use of java constructor objects

java reference passing

java this keyword

java static keyword

Java inheritance implementation

Limitations of Java Inheritance

Java subclass object instantiation process

Java method overriding and super keyword

The difference between Java rewriting and overloading

Use of Java final keyword

Java abstract class

Implementation of Java interface

Java object-oriented polymorphism

Application of object-oriented polymorphism in Java

Java object-oriented instanceof keyword

Java object-oriented abstract class application

The use of Java object-oriented interface

Java object-oriented generics - understanding generics

Java object-oriented generics - used in constructors

Java object-oriented generics - specifying multiple generics

Java object-oriented generics - wildcards

Java object-oriented generics-generic interface

Java object-oriented generics-generic methods

Java object-oriented generics - generic array

Java Collection - Collection

Java collection-List

Java collection-Set

Java Sets - Iterator

Java Collection-Map

Introduction to File class

File creation, deletion, renaming(1)

Creation, renaming, and deletion of folders (2)

Reading file attributes

File attribute settings

Traverse folders

Simple reading and writing of files

Introduction to Java IO

Characters, Bytes and Encodings

Reading and writing data using byte streams

Reading and writing data using character streams

Reading and writing data using a buffered character stream

FileReader and FileWriter

Use the Apache IO library to operate IO and files

Java multithreading - threads and processes

Java multithreading - implementation of threads

Java multithreading - thread status

Java multithreading - common methods of threading

Java multithreading - thread priority

Java multithreading - thread synchronization

Java multithreading - thread life cycle

What is Build Path

BuildPath for Java projects

Import and use of external libraries

Include other projects in the Build Path

Adding and modifying system libraries

Introduction to XML data format

Create XML data using Java

Using Dom4j to manipulate XML data

Introduction to JSON data format

Reading JSON data using Java

Create JSON data using Java

Use Http's Get method to read network data

Interactively communicate with the network using Http's Post method

Use HttpClient for Get mode communication

Use HttpClient for Post communication

Socket introduction

The establishment and use of ServerSocket

Use ServerSocket to establish a chat server-1

Use ServerSocket to build a chat server-2

Create a chat client using Java-1

Creating a chat client using Java-2

The purpose of Java interface design

Introduction to AWT

Introduction to Swing

Introduction to SWT

How to choose a GUI toolkit

Swing framework inheritance relationship

Swing's MVC structure

Swing’s event mechanism