English Courses

Microcredential

Clean Code in Java Through Hands-on Practice

155 ratings at CodeSignal

Master clean code principles and best practices in Java through hands-on exercises covering naming conventions, class design, SOLID principles, and practical implementation techniques.

• CodeSignal
• 8 hours
• Self-Paced
• Free Certificate
• 4 courses

Getting Started with Go Programming Language

Master fundamental Go programming concepts, from basic syntax and data types to string manipulation, conditional logic, and arithmetic operations through hands-on space-themed coding exercises.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Exploring Simple Data Structures in Go

Master Go's fundamental data structures through hands-on exercises with arrays, slices, and maps while building practical applications like study trackers, menu systems, and classroom management tools.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Iterations and Loops in Go

Master Go's iteration mechanisms through hands-on practice with for loops, nested structures, and loop control statements for efficient data manipulation and program flow control.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Mastering Debugging with Go

Master debugging techniques in Go through hands-on exercises, from basic error messages to advanced runtime error handling, while building robust programs with proper error management.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Go String Manipulation for Beginners

Master string manipulation in Go through hands-on exercises covering formatting, operations, special characters, search/replace functions, and text transformation techniques.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Creating Functions in Go

Master Go functions through hands-on space-themed projects, from basic syntax to variadic functions, while building practical applications for calculating costs, managing spacecraft systems, and astronomical data.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Understanding Structs and Interfaces in Go

Master Go's struct and interface concepts through hands-on exercises building digital libraries, car simulators, athlete training systems, school management tools, and zoo applications.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Revisiting OOP Concepts in Python

Master essential Python OOP concepts - from classes and objects to inheritance, polymorphism, and encapsulation. Build practical skills through hands-on exercises with real-world examples and design patterns.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Creational Patterns in Python

Master essential creational design patterns in Python, from Singleton and Factory Method to Abstract Factory and Builder, with practical implementations for real-world software development challenges.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Structural Patterns in Python

Master structural design patterns in Python through practical examples of Adapter, Composite, and Decorator patterns, with real-world applications in GUI libraries, file systems, and e-commerce platforms.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Behavioral Patterns in Python

Master behavioral design patterns in Python through practical examples like chat apps, payment systems, and weather monitoring implementations.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Applying Design Patterns for a Smart Home System in Python

Master design patterns by building a Python-based smart home system, implementing Factory, Observer, Command, and other patterns to create secure, automated home solutions.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Getting Started with SQL with Leo Messi

Master SQL fundamentals through Leo Messi's career statistics, learning database querying, data filtering, sorting, and analysis using real soccer data examples.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Learning SQL Joins with Leo Messi

Master SQL joins through real-world analysis of Messi's soccer career data, connecting match statistics, player performance, and competition tables to unlock meaningful insights from complex sports databases.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate