Volvo Application Developer Interview Questions and Answers

Infinite loop can occur due to logical errors in the loop condition or the loop body.

• Incorrect loop condition

• Missing or incorrect loop termination condition

• Infinite recursion

• Deadlock or race condition

• Hardware or software failure

Abend with -911 is a deadlock error. Identify the resources causing the deadlock and release them.

• Check the application logs for more information on the error.

• Identify the resources involved in the deadlock using system logs or monitoring tools.

• Release the resources causing the deadlock by terminating the associated processes or transactions.

• Modify the application code to prevent future deadlocks.

Varying parameters can be passed using arrays of strings in COBOL to stored procedures.

• Define an array in COBOL to hold the parameters

• Populate the array with the varying parameters

• Pass the array as a parameter to the stored procedure

• In the stored procedure, use the array to access the varying parameters