Go Practice Projects Collection

A collection of beginner-to-intermediate Go projects built while learning the Go programming language.
This repository contains practical exercises focused on:

• User input handling
• Manual string processing
• Package creation and imports
• Error handling
• Pointer basics
• Random number generation
• CLI applications
• Mathematical calculations
• Structuring Go projects professionally

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📁 Project Structure

. ├── bin/ │ └── executable-file ├── calculatepaintneeded/ │ └── calculatepaintneeded.go ├── greetings/ │ ├── greetings.go │ └── deutsch/ │ └── deutsch.go ├── Keyboard/ │ └── keyboard.go ├── pass_fail/ │ └── pass_fail.go ├── Trimspace/ │ └── trimspace.go ├── main.go └── README.md

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🚀 Features

✅ Grade Checker

Checks whether a student passed or failed based on score input.

Example: Type your score here: 75 passed

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✅ Manual TrimSpace Function

A custom implementation of string trimming without using strings.TrimSpace().

Handles:

• Spaces
• Tabs
• New lines
• Carriage returns

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✅ Keyboard Input Package

Custom reusable package for:

• Reading user input
• Parsing float values safely
• Error handling

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✅ Guessing Game

A command-line number guessing game using Go's random package.

Features:

• Random number generation
• Limited attempts
• High/low hints
• Success/failure tracking

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✅ Paint Calculator

Calculates the amount of paint needed based on wall dimensions.

Formula used:

Paint Needed = Area / Paint Coverage

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✅ Temperature Converter

Converts Fahrenheit to Celsius.

Example: Enter temperature in Fahrenheit: 98 36.66667 celsius

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✅ Table Formatting

Demonstrates formatted terminal output using fmt.Printf.

Example:

Product | Amount in Cent

Rice | 60 Gun | 90 Goat | 890

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✅ Pointer Practice

Demonstrates:

• Memory addresses
• Pointer referencing
• Dereferencing

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✅ Custom Packages

This project demonstrates how to:

• Create reusable Go packages
• Import local packages
• Organize Go projects properly

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🛠 Technologies Used

• Go (Golang)
• Standard Library Packages:
  • fmt
  • strconv
  • os
  • bufio
  • math/rand
  • reflect
  • log

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▶️ How To Run

Clone the Repository

git clone https://github.com/your-username/your-repo-name.git
cd your-repo-name
go run .

📚 Future Improvements

Planned additions include:

ASCII art generator File handling HTTP servers Web applications with Go Goroutines and concurrency Unit testing Docker support 👨‍💻 Author

John Ayandipe

Aspiring Software Developer focused on:

Go (Golang) Backend Engineering Problem Solving CLI and Web Applications

📄 License

This project is open-source and available under the MIT License.