How to Add Days to Date in Apex - Code Snippet

// Task: Add Days to Date
// Language: Apex

public void add_days_to_date() {
    // Implementation for Add Days to Date
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Add Days to Date
    System.debug("Done");
}