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Consider a Faculty Management System implemented in Java. The system allows users to input details for multiple faculties, including their name, designation, the number of courses they handle, and the courses they handle. Users can then filter and display faculties based on the number of courses they handle.  Sample Input: Enter the number of faculties: 2 Enter details for faculty 1:Name: JaiDesignation: PCourses Handled: 2Enter course 1: JavaEnter course 2: DBMS Enter details for faculty 2:Name: SakthiDesignation: APCourses Handled: 3Enter course 1: PythonEnter course 2: JavaEnter course 3: DBMS Enter the number of courses to filter faculties: 3 Sample Output: SakthiAP3OS    Python  Java

Question

Consider a Faculty Management System implemented in Java. The system allows users to input details for multiple faculties, including their name, designation, the number of courses they handle, and the courses they handle. Users can then filter and display faculties based on the number of courses they handle.  Sample Input: Enter the number of faculties: 2 Enter details for faculty 1:Name: JaiDesignation: PCourses Handled: 2Enter course 1: JavaEnter course 2: DBMS Enter details for faculty 2:Name: SakthiDesignation: APCourses Handled: 3Enter course 1: PythonEnter course 2: JavaEnter course 3: DBMS Enter the number of courses to filter faculties: 3 Sample Output: SakthiAP3OS    Python  Java

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Solution

Sure, I understand. Here's how you could implement this in Java:

import java.util.*;

class Faculty {
    String name;
    String designation;
    int numCourses;
    ArrayList<String> courses = new ArrayList<String>();

    Faculty(String name, String designation, int numCourses, ArrayList<String> courses) {
        this.name = name;
        this.designation = designation;
        this.numCourses = numCourses;
        this.courses = courses;
    }
}

public class FacultyManagementSystem {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter the number of faculties: ");
        int numFaculties = sc.nextInt();
        ArrayList<Faculty> faculties = new ArrayList<Faculty>();

        for (int i = 0; i < numFaculties; i++) {
            System.out.println("Enter details for faculty " + (i+1) + ":");
            System.out.println("Name: ");
            String name = sc.next();
            System.out.println("Designation: ");
            String designation = sc.next();
            System.out.println("Courses Handled: ");
            int numCourses = sc.nextInt();
            ArrayList<String> courses = new ArrayList<String>();
            for (int j = 0; j < numCourses; j++) {
                System.out.println("Enter course " + (j+1) + ":");
                courses.add(sc.next());
            }
            faculties.add(new Faculty(name, designation, numCourses, courses));
        }

        System.out.println("Enter the number of courses to filter faculties: ");
        int filterNumCourses = sc.nextInt();

        for (Faculty faculty : faculties) {
            if (faculty.numCourses == filterNumCourses) {
                System.out.println(faculty.name + " " + faculty.designation + " " + faculty.numCourses);
                for (String course : faculty.courses) {
                    System.out.println(course);
                }
            }
        }
    }
}

This program first asks for the number of faculties. For each faculty, it asks for their name, designation, number of courses they handle, and the names of the courses. It then asks for a number to filter faculties by the number of courses they handle. It prints the details of the faculties who handle that number of courses.

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