How to Measure Execution Time in Apex - Code Snippet

// Task: Measure Execution Time
// Language: Apex

public void measure_execution_time() {
    // Implementation for Measure Execution Time
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Measure Execution Time
    System.debug("Done");
}