feat: Complete timeout example for threading

src/main/java/dev/Main.java

@@ -37,19 +37,19 @@ public class Main {
 
                     // Split data into 3 parts
 
-                    List<String> part1 = data.subList(0, data.size()*35/100);
+                    List<String> part1 = null;
 
-                    List<String> part2 = data.subList(data.size()*35/100, data.size()*7/10);
+                    List<String> part2 = null;
 
-                    List<String> part3 = data.subList(data.size()*7/10, data.size());
+                    List<String> part3 = null;
 
                     // TODO:
 
-                    StudentLoader t1 = new StudentLoader(part1);
+                    StudentLoader t1 = null;
 
-                    StudentLoader t2 = new StudentLoader(part2);
+                    StudentLoader t2 = null;
 
-                    StudentLoader t3 = new StudentLoader(part3);
+                    StudentLoader t3 = null;
 
                     // TODO:
 
@@ -57,20 +57,8 @@ public class Main {
 
                     // join()
 
-                    t1.start();
-                    t2.start();
-                    t3.start();
-
-                    t1.join();
-                    t2.join();
-                    t3.join();
-
                     // merge results
 
-                    manager.addStudents(t1.getStudents());
-                    manager.addStudents(t2.getStudents());
-                    manager.addStudents(t3.getStudents());
-
                 }
 
                 case 2 -> {

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

@@ -47,7 +47,7 @@ public class Student {
         // Example:
         // return id % 97;
 
-        return id % 97;
+        return 0;
     }
 
     @Override
@@ -64,12 +64,7 @@ public class Student {
         // Step 3:
         // Compare IDs
 
-        if (obj == null)
         return false;
-
-        Student st = (Student) obj;
-
-        return this.getId() == st.getId();
     }
 
     @Override

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

@@ -18,8 +18,6 @@ public class StudentManager {
         // Hint:
         // addAll()
 
-        students.addAll(newStudents);
-
     }
 
     public Student searchStudent(int id) {
@@ -30,12 +28,6 @@ public class StudentManager {
 
         // Compare IDs
 
-        for (Student st : students) {
-
-            if (st.getId() == id)
-                return st;
-        }
-
         return null;
     }
 
@@ -47,15 +39,6 @@ public class StudentManager {
 
         // Remove student
 
-        for (Student st : students) {
-
-            if (st.getId() == id) {
-                students.remove(st);
-                return true;
-            }
-
-        }
-
         return false;
     }
 

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

@@ -38,25 +38,15 @@ public class StudentLoader extends Thread {
             // TODO:
             // split line
 
-            List<String> parts = List.of(line.split(","));
-
             // TODO:
             // read values
 
-            int id = Integer.parseInt(parts.get(0));
-            String name = parts.get(1);
-            String major = parts.get(2);
-            double gpa = Double.parseDouble(parts.get(3));
-
             // TODO:
             // create Student
 
-            Student currentStudent = new Student(id, name, major, gpa);
-
             // TODO:
             // add to students list
 
-            students.add(currentStudent);
         }
 
     }

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

@@ -18,7 +18,9 @@ public class FileManager {
 
         while ((line = reader.readLine()) != null) {
 
-            lines.add(line);
+            // TODO:
+
+            // Add line to list
 
         }
 

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

@@ -1,10 +1,25 @@
 package lecture.multithreading.timeout;
 
 
+import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
-        // TODO
+
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("you have 10 seconds: ");
+        System.out.print("enter your name: ");
+
+        MyRunnable myRunnable = new MyRunnable();
+        Thread thread = new Thread(myRunnable);
+        thread.setDaemon(true);
+        thread.start();
+
+        String name = scanner.nextLine();
+        System.out.println("hello " + name);
+
+        scanner.close();
     }
 }
 

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

@@ -0,0 +1,22 @@
+package lecture.multithreading.timeout;
+
+public class MyRunnable implements Runnable{
+
+    @Override
+    public void run(){
+
+        for (int i = 1; i <= 10 ; i++){
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                System.out.println("thread was interrupted");
+            }
+
+            if(i == 10){
+                System.out.println("time is up");
+                System.exit(0);
+            }
+
+        }
+    }
+}