StudentInfoSystem

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Fri Dec 22 2023 15:22:59 GMT+0000 (Coordinated Universal Time)

Saved by @Fahrine #java

import java.util.ArrayList;
import java.util.Scanner;

public class StudentInformationSystem {

    private static ArrayList<Student> students = new ArrayList<>();
    private static Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        while (true) {
            displayMenu();
            int choice = scanner.nextInt();
            scanner.nextLine(); // Consume the newline character

            switch (choice) {
                case 1:
                    addStudent();
                    break;
                case 2:
                    viewStudentList();
                    break;
                case 3:
                    searchStudent();
                    break;
                case 4:
                    System.out.println("Exiting program. Goodbye!");
                    System.exit(0);
                default:
                    System.out.println("Invalid choice. Please try again.");
            }
        }
    }

    private static void displayMenu() {
        System.out.println("Student Information System Menu:");
        System.out.println("1. Add Student");
        System.out.println("2. View Student List");
        System.out.println("3. Search for Student");
        System.out.println("4. Exit");
        System.out.print("Enter your choice: ");
    }

    private static void addStudent() {
        System.out.print("Enter student ID: ");
        int id = scanner.nextInt();
        scanner.nextLine(); // Consume the newline character

        System.out.print("Enter student name: ");
        String name = scanner.nextLine();

        students.add(new Student(id, name));
        System.out.println("Student added successfully!");
    }

    private static void viewStudentList() {
        if (students.isEmpty()) {
            System.out.println("No students in the system yet.");
        } else {
            System.out.println("Student List:");
            for (Student student : students) {
                System.out.println("ID: " + student.getId() + ", Name: " + student.getName());
            }
        }
    }

    private static void searchStudent() {
        System.out.print("Enter student ID to search: ");
        int searchId = scanner.nextInt();
        scanner.nextLine(); // Consume the newline character

        boolean found = false;
        for (Student student : students) {
            if (student.getId() == searchId) {
                System.out.println("Student found: ID: " + student.getId() + ", Name: " + student.getName());
                found = true;
                break;
            }
        }

        if (!found) {
            System.out.println("Student with ID " + searchId + " not found.");
        }
    }

    private static class Student {
        private int id;
        private String name;

        public Student(int id, String name) {
            this.id = id;
            this.name = name;
        }

        public int getId() {
            return id;
        }

        public String getName() {
            return name;
        }
    }
}

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