Answer the given question with a proper explanation and step-by-step solution. For this question use the file data1.csv The file contains information on various customers. Each customer has a unique customer id. The data also has information on age income and Gender of the customers. Space can be used as a delimiter for this file. Find the following: A) The total number of the rows in the file. B) The number of unique customer ids in the datafile. For this question create a set object which will only allow you to add unique customer ids. C) The program asks user to provide an id and prints information about that customer. Make sure to take care for the errors due to invalid id (i.e., id does not present in data). Print “id not found” when id is not found. Save the file as Solution1.java. You can use either File Reader or Scanner classes to read the data in the csv file. Your program should print the following after filling the blanks with the appropriate values Outcome: The total number of rows in the file are: ____________ The total number of unique customers in the file are: ____________ Do you want to know more about a specific customer (Y/N): Y Enter the id: 1 Customer id: 1, Gender: Male, Age: 19, Income: 15
Answer the given question with a proper explanation and step-by-step solution.
For this question use the file data1.csv
The file contains information on various customers. Each customer has a unique customer id. The data also has information on age income and Gender of the customers. Space can be used as a delimiter for this file.
Find the following:
A) The total number of the rows in the file.
B) The number of unique customer ids in the datafile. For this question create a set object which will only allow you to add unique customer ids.
C) The
Make sure to take care for the errors due to invalid id (i.e., id does not present in data). Print “id not found” when id is not found.
Save the file as Solution1.java. You can use either File Reader or Scanner classes to read the data in the csv file.
Your program should print the following after filling the blanks with the appropriate values Outcome:
The total number of rows in the file are: ____________
The total number of unique customers in the file are: ____________
Do you want to know more about a specific customer (Y/N): Y
Enter the id: 1 Customer id: 1, Gender: Male, Age: 19, Income: 15
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