Job portal system: This system allows the students to search and apply for jobs etc. online. The manager can use the system for posting and deleting job offers etc. 1.Create your own case study (problem statement) for the above application             2.Draw the use case diagram 3.Class diagram with at least 4 classes and explain all the relationships

System Requirement project   -For each separate user task, include a use case diagram.   -For each use case, specify a use case description, using the following template:   User Function: (describe what the user does, i.e., each task that the user could perform) User Interface Definition: (describe the screens/windows the user sees, what fields they have, what the fields are labeled, and what data is valid for each field) Desired Outcome: (describe what is supposed to happen if the user enters valid data) Error Outcomes: (describe what the user sees when a data entry error is made)

Checklist testing, what is it? Connect the dots between the real-world reference you've chosen and your project.

Please written by computer source Module 4 Assignment This assignment will reinforce your knowledge of the following areas: Coding classes with events Subscribing to and handling events Introduction This phase of the project will have you make some updates to classes in the library project. Defect Management Part of the evaluation of this assignment will include your ability to repair defects from previous versions of your code. Ensure that you are applying the feedback provided to you in the assignment evaluations. You should expect to receive deductions on this assignment for any outstanding defects. Requirements WARNING! It is highly recommended you make a copy of the your RRCAGLibraryFirstNameLastName solution prior to editing the LastName.FirstName.Business project. Update the following classes in the LastName.FirstName.Business namespace. SalesQuote Class Add the following events and methods to the SalesQuote class. Events + VehiclePriceChanged : EventHandler - Occurs when the…