Explanation:

Let’s break down the code execution step-by-step:

Initialization:

Integer x = 0; // x starts at 0

First Loop Iteration:

x = 1: Assigns x the value 1.

x++: Increments x to 2.

while (x < 1): Checks if 2 < 1 → false → loop exits.

Final Value:

System.debug(x); // Outputs: 2