feat: Set up project skeleton with stub implementations for student tasks

src/main/java/dev/Main.java

@@ -1,8 +1,122 @@
 package dev;
 
+import dev.service.StudentManager;
+import dev.thread.StudentLoader;
+import dev.utils.FileManager;
+
+import java.util.List;
+import java.util.Scanner;
 
 public class Main {
-    public static void main(String[] args) {
+
+    public static void main(
+            String[] args)
+            throws Exception {
+
+        Scanner scanner =
+                new Scanner(System.in);
+
+        StudentManager manager =
+                new StudentManager();
+
+        while (true) {
+
+            System.out.println("""
+                    1.Load students
+                    2.Search student
+                    3.Remove student
+                    4.Print students
+                    5.Exit
+                    """);
+
+            int choice =
+                    scanner.nextInt();
+
+            switch (choice) {
+
+                case 1 -> {
+
+                    List<String> data =
+                            FileManager
+                                    .loadStudents(
+                                            "students.txt");
+
+                    // TODO:
+
+                    // Split data into 3 parts
+
+                    List<String> part1 = null;
+
+                    List<String> part2 = null;
+
+                    List<String> part3 = null;
+
+                    // TODO:
+
+                    StudentLoader t1 =
+                            null;
+
+                    StudentLoader t2 =
+                            null;
+
+                    StudentLoader t3 =
+                            null;
+
+                    // TODO:
+
+                    // start()
+
+                    // join()
+
+                    // merge results
+
+                }
+
+                case 2 -> {
+
+                    System.out.print(
+                            "ID: ");
+
+                    int id =
+                            scanner.nextInt();
+
+                    System.out.println(
+                            manager
+                                    .searchStudent(
+                                            id));
+
+                }
+
+                case 3 -> {
+
+                    System.out.print(
+                            "ID: ");
+
+                    int id =
+                            scanner.nextInt();
+
+                    boolean removed =
+                            manager
+                                    .removeStudent(
+                                            id);
+
+                    System.out.println(
+                            removed);
+
+                }
+
+                case 4 ->
+                        manager
+                                .printStudents();
+
+                case 5 -> {
+                    return;
+                }
+
+            }
+
+        }
 
     }
+
 }

src/main/java/dev/model/Student.java

@@ -0,0 +1,81 @@
+package dev.model;
+
+public class Student {
+
+    private final int id;
+
+    private final String name;
+
+    private final String major;
+
+    private final double gpa;
+
+    public Student(
+            int id,
+            String name,
+            String major,
+            double gpa) {
+
+        this.id = id;
+        this.name = name;
+        this.major = major;
+        this.gpa = gpa;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getMajor() {
+        return major;
+    }
+
+    public double getGpa() {
+        return gpa;
+    }
+
+    @Override
+    public int hashCode() {
+
+        // TODO:
+        // Return custom hash
+
+        // Example:
+        // return id % 97;
+
+        return 0;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+
+        // TODO:
+
+        // Step 1:
+        // Check null
+
+        // Step 2:
+        // Convert obj to Student
+
+        // Step 3:
+        // Compare IDs
+
+        return false;
+    }
+
+    @Override
+    public String toString() {
+
+        return "Student{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", major='" + major + '\'' +
+                ", gpa=" + gpa +
+                '}';
+    }
+
+}

src/main/java/dev/service/StudentManager.java

@@ -0,0 +1,59 @@
+package dev.service;
+
+import dev.model.Student;
+
+import java.util.ArrayList;
+
+
+public class StudentManager {
+
+    private final ArrayList<Student> students =
+            new ArrayList<>();
+
+    public void addStudents(
+            ArrayList<Student> newStudents) {
+
+        // TODO:
+
+        // Merge students
+
+        // Hint:
+        // addAll()
+
+    }
+
+    public Student searchStudent(
+            int id) {
+
+        // TODO:
+
+        // Loop through students
+
+        // Compare IDs
+
+        return null;
+    }
+
+    public boolean removeStudent(
+            int id) {
+
+        // TODO:
+
+        // Find student
+
+        // Remove student
+
+        return false;
+    }
+
+    public void printStudents() {
+
+        for (Student student : students) {
+
+            System.out.println(student);
+
+        }
+
+    }
+
+}

src/main/java/dev/thread/StudentLoader.java

@@ -0,0 +1,62 @@
+package dev.thread;
+
+
+
+import dev.model.Student;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class StudentLoader extends Thread {
+
+    // Assigned file lines
+
+    private final List<String> lines;
+
+    // Local student storage
+
+    private final ArrayList<Student> students =
+            new ArrayList<>();
+
+    public StudentLoader(
+            List<String> lines) {
+
+        this.lines = lines;
+    }
+
+    @Override
+    public void run() {
+
+        // TODO:
+
+        /*
+        Example line:
+
+        1001,Aryan,Computer Science,3.7
+         */
+
+        for (String line : lines) {
+
+            // TODO:
+            // split line
+
+            // TODO:
+            // read values
+
+            // TODO:
+            // create Student
+
+            // TODO:
+            // add to students list
+
+        }
+
+    }
+
+    public ArrayList<Student>
+    getStudents() {
+
+        return students;
+    }
+
+}

src/main/java/dev/utils/FileManager.java

@@ -0,0 +1,39 @@
+package dev.utils;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class FileManager {
+
+    public static List<String>
+    loadStudents(
+            String path)
+            throws Exception {
+
+        List<String> lines =
+                new ArrayList<>();
+
+        BufferedReader reader =
+                new BufferedReader(
+                        new FileReader(path));
+
+        String line;
+
+        while ((line = reader.readLine())
+                != null) {
+
+            // TODO:
+
+            // Add line to list
+
+        }
+
+        reader.close();
+
+        return lines;
+    }
+
+}