1. Java Syntax & Core Fundamentals for Automation

Java Execution Architecture

- JDK (Java Development Kit): Compiler (javac), tools, and JRE needed to write and compile code. - JRE (Java Runtime Environment): Libraries and JVM required to run Java bytecode. - JVM (Java Virtual Machine): Executes bytecode (.class) across operating systems.

Variables & Data Types in Automation

public class VariablesDemo {
    public static void main(String[] args) {
        // Primitive types:
        int defaultTimeoutMs = 5000;
        double implicitWaitSec = 2.5;
        boolean isHeadless = true;
        char statusIndicator = 'P';
// Reference types:
        String targetUrl = "https://targetqa.com";
        final int MAX_RETRIES = 3; // Constant
System.out.println("Running test against: " + targetUrl);
    }
}