Please answer for me this question in java languages

Q1: A particular bank in Oman is facing an issue while serving its customers. The bank want to employ some kind of ordering so that it can serve its customers on the first come first serve' basis. a) As a computer science student, explain the kind of data structure you will use to solve the problem and why? b) Then, write a program to simulate the process. The program should ask user to enter names of 10 customer and place them in the data structure you have selected. c) Following this, program should remove the names from the data structure one by one and display the name that has been served. Q2: The telecommunication company of Oman 'Omantel has to maintain a huge database of its customers. The maintenance process requires frequent searches, addition, and deletion of the customers. Using a linked list develop a program to store the customers phone numbers and name. The program display a Menu as below- 1: Add a phone Number 2: Delete a Phone number 3: Search a phone number 4: Display all phone numbers 5: Quit Then, the program takes appropriate action depending upon the user choice. The node structure is below. Each node has 3 fields. The first field stores the phone number, the second field is for name, and the third field points to the next node in the linked list