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├── Condition       # Using if and switch statement
├── DataStructure   # Implement data structure
├── DataType        # Basic operation on variable, data type and operator.
├── Function        # Types of function
├── HelloWorld      # Just Hello World
├── LeetCode        # Practice algorithm from LeetCode site.
├── Looping         # Types of looping
├── MockInterview   # Real case interview.
├── Modules         # Try modules
├── NewMod          # Invoke modules
├── Package         # Local packages
├── Pointers        # Implements pointer
└── UnitTest        # Implements unit testing

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├── Database        # MySQL Database implementation with repository layered

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├── Context         # Context implementation

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├── GoRoutine       # Implements async style of concurrency programming

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├── Embed           # Use embed to load external file into programs.

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├── RestfulAPI      # Implements RESTFul API services.