EmployeeMap Class Program plan: Define a class “Employee”. Declare the class members. Define the constructor. Initialize the variables Give a function definition “getId()”. Return “id” of the employee. Define a function definition “getName()” Return the “name” of the employee. Define a class “EmployeeMap”. Create an object of the “TreeMap”. Define a method “add()”. Add the “Employee” to the map. Define a method “lookup()”. Return the id form the “map”. Import the required header files. Define the main method. Create an object of the “Scanner”. Create an object of the “EmployeeMap” class. Add the employee list using “EmployeeMap” object. Iterate a while loop. Define a “try” block. Ask the user to enter the “id” of the employee. Using “lookUp()” method on a particular id, find the “employee name”. If the name is “null” throw an exception. Otherwise print the “name” of the employee with their “id”. Define a catch block to catch the exception. Print the message “enter a valid user id”.

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Chapter 18, Problem 3PC

Program Plan Intro

EmployeeMap Class

Program plan:

Define a class “Employee”.

Declare the class members.

Define the constructor.

Initialize the variables

Give a function definition “getId()”.

Return “id” of the employee.

Define a function definition “getName()”

Return the “name” of the employee.

Define a class “EmployeeMap”.

Create an object of the “TreeMap”.

Define a method “add()”.

Add the “Employee” to the map.

Define a method “lookup()”.

Return the id form the “map”.

Import the required header files.

Define the main method.

Create an object of the “Scanner”.

Create an object of the “EmployeeMap” class.

Add the employee list using “EmployeeMap” object.

Iterate a while loop.

Define a “try” block.

Ask the user to enter the “id” of the employee.

Using “lookUp()” method on a particular id, find the “employee name”.

If the name is “null” throw an exception.

Otherwise print the “name” of the employee with their “id”.

Define a catch block to catch the exception.

Print the message “enter a valid user id”.

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