Coding with John Courses

LeetCode Exercise in Java - Longest Substring Without Repeating Characters - Fast Solution

Learn to solve LeetCode's longest substring problem in Java, from brute force to optimized solutions. Gain insights into efficient problem-solving techniques and improve your coding skills.

• YouTube
• 38 minutes
• On-Demand
• Free Video

Java Reflection Explained

Explore Java Reflection's power to access and modify private fields, invoke methods, and bend Java rules. Learn its applications and potential pitfalls in this comprehensive guide.

• YouTube
• 20 minutes
• On-Demand
• Free Video

LeetCode Exercise in Java Tutorial - Two Sum Fast Solution

Learn to efficiently solve LeetCode's Two Sum problem in Java using a HashMap approach. Understand the problem, explore brute force, and implement a fast solution with step-by-step guidance.

• YouTube
• 24 minutes
• On-Demand
• Free Video

Java Unit Testing with JUnit - How to Create and Use Unit Tests

Learn to create and use JUnit tests in Java to verify code correctness. Covers test creation, complex scenarios, edge cases, and best practices for confident Java development.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Hangman Game in Java - Full Tutorial

Learn to build a Hangman game in Java from scratch, covering file and keyboard input, String manipulation, and more. Suitable for beginners, this tutorial offers hands-on coding experience.

• YouTube
• 37 minutes
• On-Demand
• Free Video

Create a GPA Calculator in Java - Full Tutorial with Source

Build a Java GPA calculator from scratch in this live coding tutorial. Learn Java programming concepts while creating a practical application for calculating grade point averages.

• YouTube
• 34 minutes
• On-Demand
• Free Video

Set and HashSet in Java - Full Tutorial

Comprehensive guide to Sets and HashSets in Java, covering their differences, usage, and comparisons with Lists. Includes practical examples and insights for effective implementation.

• YouTube
• 21 minutes
• On-Demand
• Free Video

How to Call a REST API in Java - Simple Tutorial

Learn to make REST API calls in Java with a step-by-step guide covering key concepts and practical coding examples for beginners and experienced developers alike.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Annotations in Java Tutorial - Creating and Using Custom Annotations

Learn to create and utilize custom annotations in Java, enhancing code functionality and readability. Explore three types of annotations and their practical applications in programming.

• YouTube
• 20 minutes
• On-Demand
• Free Video

How to Debug Java Code with Eclipse Debugger - Full Tutorial

Master Eclipse's debugging tools for efficient Java code troubleshooting. Learn to set breakpoints, step through code, inspect variables, and utilize advanced features to streamline your debugging process.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Quicksort Algorithm in Java - Full Tutorial

Comprehensive tutorial on implementing Quicksort in Java, covering algorithm explanation and step-by-step coding. Ideal for learners seeking to understand this efficient sorting technique.

• YouTube
• 25 minutes
• On-Demand
• Free Video

Create a Sudoku Solver in Java - Full Tutorial

Learn to build a Java program that solves Sudoku puzzles. This tutorial breaks down the logic and implementation, offering hands-on coding experience to enhance your Java skills.

• YouTube
• 20 minutes
• On-Demand
• Free Video

Merge Sort Algorithm in Java - Full Tutorial

Comprehensive tutorial on implementing the Merge Sort algorithm in Java using recursion. Covers efficient sorting techniques for large datasets and includes full source code.

• YouTube
• 23 minutes
• On-Demand
• Free Video

Create a Word Finder in Java

Build a Java program that finds all possible English words from given letters, useful for word games like Scrabble. Learn file reading, Maps, and user input handling.

• YouTube
• 23 minutes
• On-Demand
• Free Video

Tic Tac Toe Game in Java - Full Tutorial

Learn to build a Tic Tac Toe game in Java using 2D arrays. Step-by-step tutorial covers game logic, user input, and win conditions for this classic two-player strategy game.

• YouTube
• 52 minutes
• On-Demand
• Free Video