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”.

Question

Want to see the full answer?

Answer 1

Question

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”.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Send me the lexer and parser

Here is my code please draw a transition diagram and nfa on paper public class Lexer { private static final char EOF = 0; private static final int BUFFER_SIZE = 10; private Parser yyparser; // parent parser object private java.io.Reader reader; // input stream public int lineno; // line number public int column; // column // Double buffering implementation private char[] buffer1; private char[] buffer2; private boolean usingBuffer1; private int currentPos; private int bufferLength; private boolean endReached; // Keywords private static final String[] keywords = { "int", "print", "if", "else", "while", "void" }; public Lexer(java.io.Reader reader, Parser yyparser) throws Exception { this.reader = reader; this.yyparser = yyparser; this.lineno = 1; this.column = 0; // Initialize double buffering buffer1 = new char[BUFFER_SIZE]; buffer2 = new char[BUFFER_SIZE]; usingBuffer1 = true; currentPos = 0; bufferLength = 0; endReached = false; // Initial buffer fill fillBuffer(); } private…

If integer x is divisible by 3, can you prove that ceil(x/2) + floor(x/6) = floor(x/2) + ceil(x/6)