This question runs in a pre-configured Salesforce environment - no personal connection required.
Write a method that counts the total number of employees across all accounts grouped by BillingCountry. The method should return a map where keys are country names and values are total employee counts. Only include countries with at least one employee.
Method Signature:
public static Map<String, Integer> countEmployeesByCountry()
Examples:
Example output:
{'USA' => 5500, 'Canada' => 1200, 'UK' => 3000, 'Japan' => 2100}
This represents the sum of NumberOfEmployees for all accounts in each country. Countries with null NumberOfEmployees are excluded from the results.
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