Core Java for QA

Course outline

1. 01. Getting Started with Java

   • What Is Java and Why QA Engineers Use It
   • Setting Up Your Environment — JDK and IntelliJ IDEA
   • Your First Java Program — main Method and System.out.println
   • Variables, Data Types, and Type Casting
   • Chapter quizTake quiz →

2. 02. Control Flow

   • If/Else and Switch Statements
   • Comparison and Logical Operators
   • For Loops, While Loops, and Enhanced For Loop
   • Break, Continue, and Nested Loops
   • Chapter quizTake quiz →

3. 03. Methods & Arrays

   • Defining and Calling Methods
   • Parameters, Return Types, and Method Overloading
   • Arrays — Declaration, Iteration, and Common Operations
   • Multi-Dimensional Arrays
   • Chapter quizTake quiz →

4. 04. Object-Oriented Programming — Basics

   • Classes and Objects
   • Constructors and the this Keyword
   • Encapsulation — Getters, Setters, Access Modifiers
   • Inheritance and the extends Keyword
   • Method Overriding and the super Keyword
   • Chapter quizTake quiz →

5. 05. Object-Oriented Programming — Advanced

   • Abstraction — Abstract Classes and Methods
   • Interfaces and Implementing Multiple Interfaces
   • Polymorphism in Practice
   • When to Use Abstract Classes vs Interfaces
   • Chapter quizTake quiz →

6. 06. Collections Framework

   • ArrayList — Dynamic Lists for Test Data
   • HashMap — Key-Value Pairs for Configuration
   • HashSet and LinkedList
   • Iterating Collections — for-each, Iterator, Streams
   • Chapter quizTake quiz →

7. 07. Exception Handling & File I/O

   • Try/Catch/Finally and Exception Types
   • Throwing Custom Exceptions
   • Reading and Writing Files — BufferedReader and FileWriter
   • Working with JSON in Java — Jackson and Gson Basics
   • Chapter quizTake quiz →

8. 08. Strings, Regex & Java 8+ Features

   • String Methods and StringBuilder
   • Regular Expressions in Java
   • Lambda Expressions and Functional Interfaces
   • Streams API Basics for Data Processing
   • Chapter quizTake quiz →

9. 09. Capstone Project

   • Project Brief — Build a Test Data Management Utility
   • Guided Walkthrough — OOP Design, Collections, File I/O, and Error Handling
   • Review and Stretch Goals