implement Student.java

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

@@ -41,30 +41,17 @@ public class Student {
     @Override
     public int hashCode() {
 
-        // TODO:
+        return id % 97;
-        // Return custom hash
-
-        // Example:
-        // return id % 97;
-
-        return 0;
     }
 
     @Override
     public boolean equals(Object obj) {
 
-        // TODO:
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
 
-        // Step 1:
+        Student student = (Student)obj;
-        // Check null
+        return  id == student.id;
-
-        // Step 2:
-        // Convert obj to Student
-
-        // Step 3:
-        // Compare IDs
-
-        return false;
     }
 
     @Override

src/main/java/lecture/multithreading/timeout/MyRunnable.java

@@ -0,0 +1,4 @@
+package lecture.multithreading.timeout;
+
+public class MyRunnable {
+}