How to find cumulative sum using JAVA Transformation? Consider the following employees data as source employee_id, salary 10, 1000 20, 2000 30, 3000 40, 5000 The target table data should look like as employee_id, salary, cumulative_sum 10, 1000, 1000 20, 2000, 3000 30, 3000, 6000 40, 5000, 11000 *****How to do this using JAVA Transformation*****