Class Employee Attributes (all private): • id: String lastName: String • firstName: String salary: int Methods: • Parameterized constructor for initializing a new Employee instance • Getters for all attributes .toString method to display an Employee's attributes (See output of executable below) Executable Class • Create an array of at least eight Employee objects. • Be sure to use many with identical last names, but don't order them by name in the array. • Create an ArrayList from the array. • Sort the ArrayList first by last name and then by first name. See page 790. • Using the forEach method and a lambda expression, print all employees alphabetically sorted by name. • Create a LinkedList from the ArrayList. • Create an iterator capable of cycling both forward and backward through the LinkedList. • Iterate forward through the Linked List without generating any output. • Then iterate backwards through the LinkedList to print the employees in reverse alphabetical order. Example Output Staff Alpha sorted by names ID 23232: Baker, Amy, salary $100,000 ID 12345: Baker, Tom, salary $200,000 ID 56789: Jones, Dan, salary $130,000 ID 67765: Jones, Don, salary $140,000 ID 13579:Jones, Pat, salary $80,000 ID 45454: Perez, Ava, salary $105,000 ID 24680:Scott, Ann, salary $90,000 ID 11111: Scott, Bob, salary $65,000 Staff sorted Reverse Alpha ID 11111: Scott, Bob, salary $65,000 ID 24680: Scott, Ann, salary $90,000 ID 45454: Perez, Ava, salary $105,000 ID 13579:Jones, Pat, salary $80,000 ID 67765: Jones, Don, salary $140,000. ID 56789:Jones, Dan, salary $130,000 ID 12345: Baker, Tom, salary $200,000 ID 23232: Baker, Amy, salary $100,000
Class Employee Attributes (all private): • id: String lastName: String • firstName: String salary: int Methods: • Parameterized constructor for initializing a new Employee instance • Getters for all attributes .toString method to display an Employee's attributes (See output of executable below) Executable Class • Create an array of at least eight Employee objects. • Be sure to use many with identical last names, but don't order them by name in the array. • Create an ArrayList from the array. • Sort the ArrayList first by last name and then by first name. See page 790. • Using the forEach method and a lambda expression, print all employees alphabetically sorted by name. • Create a LinkedList from the ArrayList. • Create an iterator capable of cycling both forward and backward through the LinkedList. • Iterate forward through the Linked List without generating any output. • Then iterate backwards through the LinkedList to print the employees in reverse alphabetical order. Example Output Staff Alpha sorted by names ID 23232: Baker, Amy, salary $100,000 ID 12345: Baker, Tom, salary $200,000 ID 56789: Jones, Dan, salary $130,000 ID 67765: Jones, Don, salary $140,000 ID 13579:Jones, Pat, salary $80,000 ID 45454: Perez, Ava, salary $105,000 ID 24680:Scott, Ann, salary $90,000 ID 11111: Scott, Bob, salary $65,000 Staff sorted Reverse Alpha ID 11111: Scott, Bob, salary $65,000 ID 24680: Scott, Ann, salary $90,000 ID 45454: Perez, Ava, salary $105,000 ID 13579:Jones, Pat, salary $80,000 ID 67765: Jones, Don, salary $140,000. ID 56789:Jones, Dan, salary $130,000 ID 12345: Baker, Tom, salary $200,000 ID 23232: Baker, Amy, salary $100,000
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Hello all!
Need some help with this assignment. Need to create an array of 8 employees ( see image for details )
Thank you!
![Class Employee
Attributes (all private):
• id: String
.lastName: String
• firstName: String
• salary: int
Methods:
• Parameterized constructor for initializing a new Employee instance
• Getters for all attributes
• toString method to display an Employee's attributes (See output of executable below)
Executable Class
• Create an array of at least eight Employee objects.
• Be sure to use many with identical last names, but don't order them by name in the
array.
• Create an ArrayList from the array.
• Sort the ArrayList first by last name and then by first name. See page 790.
• Using the forEach method and a lambda expression, print all employees alphabetically
sorted by name.
• Create a LinkedList from the ArrayList.
• Create an iterator capable of cycling both forward and backward through the
Linked List.
• Iterate forward through the LinkedList without generating any output.
• Then iterate backwards through the Linked List to print the employees in reverse
alphabetical order.
Example Output
Staff Alpha sorted by names
ID 23232: Baker, Amy, salary $100,000
ID 12345: Baker, Tom, salary $200,000
ID 56789:Jones, Dan, salary $130,000
ID 67765: Jones, Don, salary $140,000
ID 13579:Jones, Pat, salary $80,000
ID 45454: Perez, Ava, salary $105,000
ID 24680: Scott, Ann, salary $90,000
ID 11111:Scott, Bob, salary $65,000
Staff sorted Reverse Alpha
ID 11111: Scott, Bob, salary $65,000
ID 24680: Scott, Ann, salary $90,000
ID 45454: Perez, Ava, salary $105,000
ID 13579:Jones, Pat, salary $80,000
ID 67765: Jones, Don, salary $140,000
ID 56789:Jones, Dan, salary $130,000
ID 12345: Baker, Tom, salary $200,000
ID 23232: Baker, Amy, salary $100,000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa8d3ff56-1af2-434e-8740-80c67d4b592b%2F9564f0e3-bb70-4503-aef7-1c04e8a0a032%2Fbs6hmo_processed.png&w=3840&q=75)
Transcribed Image Text:Class Employee
Attributes (all private):
• id: String
.lastName: String
• firstName: String
• salary: int
Methods:
• Parameterized constructor for initializing a new Employee instance
• Getters for all attributes
• toString method to display an Employee's attributes (See output of executable below)
Executable Class
• Create an array of at least eight Employee objects.
• Be sure to use many with identical last names, but don't order them by name in the
array.
• Create an ArrayList from the array.
• Sort the ArrayList first by last name and then by first name. See page 790.
• Using the forEach method and a lambda expression, print all employees alphabetically
sorted by name.
• Create a LinkedList from the ArrayList.
• Create an iterator capable of cycling both forward and backward through the
Linked List.
• Iterate forward through the LinkedList without generating any output.
• Then iterate backwards through the Linked List to print the employees in reverse
alphabetical order.
Example Output
Staff Alpha sorted by names
ID 23232: Baker, Amy, salary $100,000
ID 12345: Baker, Tom, salary $200,000
ID 56789:Jones, Dan, salary $130,000
ID 67765: Jones, Don, salary $140,000
ID 13579:Jones, Pat, salary $80,000
ID 45454: Perez, Ava, salary $105,000
ID 24680: Scott, Ann, salary $90,000
ID 11111:Scott, Bob, salary $65,000
Staff sorted Reverse Alpha
ID 11111: Scott, Bob, salary $65,000
ID 24680: Scott, Ann, salary $90,000
ID 45454: Perez, Ava, salary $105,000
ID 13579:Jones, Pat, salary $80,000
ID 67765: Jones, Don, salary $140,000
ID 56789:Jones, Dan, salary $130,000
ID 12345: Baker, Tom, salary $200,000
ID 23232: Baker, Amy, salary $100,000
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