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

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 +
+                '}';
+    }
+
+}