Motorola Solutions Interview Questions and Answers for Experienced

To determine the number of executors and cores, consider memory allocation, workload, and resource management for optimal performance.

• Memory Allocation: Each executor should have enough memory to handle its tasks. For example, if you allocate 4GB per executor, you can have 128 executors.

• Executor Cores: A common practice is to assign 2-5 cores per executor. For instance, with 4 cores per executor, you can run 32 ex...read more

isBlank, isEmpty, and isNull are methods to check the state of variables in Salesforce, each serving a different purpose.

• isBlank: Checks if a string is null, empty, or contains only whitespace. Example: isBlank(' ') returns true.

• isEmpty: Checks if a string is null or empty but not whitespace. Example: isEmpty('') returns true.

• isNull: Checks if a variable is null. Example: isNull(null) returns true.

To schedule a batch class in Salesforce, use the System.schedule method with a cron expression.

• Create a batch class that implements the Database.Batchable interface.

• Use the System.schedule method to schedule the batch class.

• Define a cron expression to specify the schedule (e.g., '0 0 * * * ?' for daily at midnight).

• Example: System.schedule('MyBatchJob', '0 0 * * * ?', new MyBatchClass());

• You can also use the Sales...read more

Profiles define user permissions broadly, while permission sets provide additional, flexible access to specific features.

• Profiles are mandatory for every user, while permission sets are optional.

• Profiles control access to objects, fields, and apps; permission sets grant additional permissions.

• Example: A Sales user profile may have access to Opportunities, while a permission set can grant access to Reports.

• Profiles...read more

Code snippet to sort an array of strings alphabetically

• Use the sort() method to sort the array of strings alphabetically

• Example: const arr = ['banana', 'apple', 'orange']; arr.sort();