Java 入門：JDK + IntelliJ + Data Types|教學|廣東話|60fps

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1. Tools: JDK + IntelliJ IDEA + JShell
2. Hello World
3. Data Types (8 primitive data types)

00:00 Introduction
01:52 JDK versions
03:15 OpenJDK
05:58 IntelliJ IDEA
07:49 IntelliJ old UI walkthrough
09:32 Project tree
12:09 Create new java file
17:55 TODO, problems & terminal
20:07 Run configuration
22:09 Inlay hints
23:56 Settings, project structure
25:25 Theme
26:27 New UI
29:01 JShell
35:14 Hello World – program structure
40:21 Indentation
42:22 Rearrange code
44:23 Source code TO byte code TO JVM
49:12 Single line & multi-line comment
54:25 Javadoc comment
59:10 Data types
01:02:37 Primitive data types (8)
01:06:02 Declare variable with var keyword (infer data type)
01:09:01 Size of primitive data types
01:13:02 Naming convention
01:15:35 Default value
01:24:05 Local variable
01:26:38 Variable scope
01:39:13 Type convention
01:42:18 Integer TO Integer types / Floating point TO Floating point type (OK)
01:44:09 Integer TO Floating point types (OK)
01:46:08 Floating point TO Integer types (ERROR)
01:48:05 Casting
01:52:09 Wrapper class
01:54:27 Basic arithmetic operations
02:05:36 Enum type
02:06:55 Summary & conclusion