feat: Complete timeout example for threading

.idea/.gitignore

@@ -1,10 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Ignored default folder with query files
-/queries/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/

.idea/compiler.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile name="Maven default annotation processors profile" enabled="true">
-        <sourceOutputDir name="target/generated-sources/annotations" />
-        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
-        <outputRelativeToContentRoot value="true" />
-        <module name="WS-07-Multithreading-Basics-and-Hashing" />
-      </profile>
-    </annotationProcessing>
-  </component>
-</project>

.idea/encodings.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
-  </component>
-</project>

.idea/jarRepositories.xml

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Central Repository" />
-      <option name="url" value="https://mirror-maven.runflare.com/maven2" />
-    </remote-repository>
-  </component>
-</project>

.idea/misc.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="25" project-jdk-type="JavaSDK" />
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>

src/main/java/dev/Main.java

@@ -12,17 +12,18 @@ public class Main {
     public static void main(String[] args) throws Exception {
 
         Scanner scanner = new Scanner(System.in);
+
         StudentManager manager = new StudentManager();
 
         while (true) {
-            System.out.println("\n--- Student Search Engine Menu ---");
-            System.out.println("1. Load students");
-            System.out.println("2. Search student");
-            System.out.println("3. Remove student");
-            System.out.println("4. Print all students");
-            System.out.println("5. Exit");
-            System.out.print("Enter your choice: ");
 
+            System.out.println("""
+                    1.Load students
+                    2.Search student
+                    3.Remove student
+                    4.Print students
+                    5.Exit
+                    """);
 
             int choice = scanner.nextInt();
 
@@ -32,28 +33,32 @@ public class Main {
 
                     List<String> data = FileManager.loadStudents("students.txt");
 
-                    int size = data.size();
+                    // TODO:
-                    List<String> part1 = data.subList(0, size/3);
-                    List<String> part2 = data.subList(size/3, (size/3)*2);
-                    List<String> part3 = data.subList((size/3)*2, size);
 
-                    StudentLoader t1 = new StudentLoader(part1);
+                    // Split data into 3 parts
-                    StudentLoader t2 = new StudentLoader(part2);
-                    StudentLoader t3 = new StudentLoader(part3);
 
-                    t1.start();
+                    List<String> part1 = null;
-                    t2.start();
-                    t3.start();
 
-                    t1.join();
+                    List<String> part2 = null;
-                    t2.join();
-                    t3.join();
 
-                    manager.addStudents(t1.getStudents());
+                    List<String> part3 = null;
-                    manager.addStudents(t2.getStudents());
+
-                    manager.addStudents(t3.getStudents());
+                    // TODO:
+
+                    StudentLoader t1 = null;
+
+                    StudentLoader t2 = null;
+
+                    StudentLoader t3 = null;
+
+                    // TODO:
+
+                    // start()
+
+                    // join()
+
+                    // merge results
 
-                    System.out.println("Student loaded successfully.");
                 }
 
                 case 2 -> {

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

@@ -40,22 +40,31 @@ public class Student {
 
     @Override
     public int hashCode() {
-         return id % 97;
+
+        // TODO:
+        // Return custom hash
+
+        // Example:
+        // return id % 97;
+
+        return 0;
     }
 
     @Override
     public boolean equals(Object obj) {
 
-        if(obj == null){
+        // TODO:
-            return false;
-        }
 
-        if(getClass() != obj.getClass()){
+        // Step 1:
-            return false;
+        // Check null
-        }
-        Student otherStudent = (Student)obj;
 
-        return this.id == otherStudent.id;
+        // Step 2:
+        // Convert obj to Student
+
+        // Step 3:
+        // Compare IDs
+
+        return false;
     }
 
     @Override

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

@@ -4,49 +4,50 @@ import dev.model.Student;
 
 import java.util.ArrayList;
 
+
 public class StudentManager {
 
     private final ArrayList<Student> students = new ArrayList<>();
 
     public void addStudents(ArrayList<Student> newStudents) {
-        if(newStudents != null){
+
-            this.students.addAll(newStudents);
+        // TODO:
-        }
+
+        // Merge students
+
+        // Hint:
+        // addAll()
+
     }
 
     public Student searchStudent(int id) {
-        for (Student student : students) {
+
-            if (student.getId() == id){
+        // TODO:
-                return student;
+
-            }
+        // Loop through students
-        }
+
+        // Compare IDs
+
         return null;
     }
 
     public boolean removeStudent(int id) {
-        Student foundStudent = null;
-        for (Student s : students){
-            if (s.getId() == id){
-                foundStudent = s;
-                break;
-            }
-        }
 
-        if (foundStudent != null){
+        // TODO:
-            students.remove(foundStudent);
+
-            return true;
+        // Find student
-        }
+
+        // Remove student
+
         return false;
     }
 
     public void printStudents() {
-        if (students.isEmpty()) {
-            System.out.println("No students to display.");
-            return;
-        }
 
         for (Student student : students) {
+
             System.out.println(student);
+
         }
 
     }

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

@@ -9,38 +9,46 @@ 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) {
+    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) {
-            if(line == null || line.trim().isEmpty()){
-                continue;
-            }
-            String[] parts = line.split(",");
 
-            if(parts.length == 4){
+            // TODO:
-                try {
+            // split line
-                    int id = Integer.parseInt(parts[0].trim());
+
-                    String name = parts[1].trim();
+            // TODO:
-                    String major = parts[2].trim();
+            // read values
-                    double gpa = Double.parseDouble(parts[3].trim());
+
+            // TODO:
+            // create Student
+
+            // TODO:
+            // add to students list
 
-                    Student student = new Student(id, name, major, gpa);
-                    students.add(student);
-                }catch (Exception e){
-                    System.out.println(e.getMessage());
-                }
-            }else{
-                System.out.println("skipping malformed line: " + line);
-            }
         }
+
     }
 
     public ArrayList<Student> getStudents() {

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

@@ -13,13 +13,20 @@ public class FileManager {
         List<String> lines = new ArrayList<>();
 
         BufferedReader reader = new BufferedReader(new FileReader(path));
+
         String line;
+
         while ((line = reader.readLine()) != null) {
-            if (!line.trim().isEmpty()) {
+
-                lines.add(line.trim());
+            // TODO:
-            }
+
+            // Add line to list
+
         }
+
         reader.close();
+
         return lines;
     }
+
 }

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

@@ -5,10 +5,11 @@ import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
+
         Scanner scanner = new Scanner(System.in);
 
         System.out.println("you have 10 seconds: ");
-        System.out.println("enter your name: ");
+        System.out.print("enter your name: ");
 
         MyRunnable myRunnable = new MyRunnable();
         Thread thread = new Thread(myRunnable);
@@ -16,7 +17,8 @@ public class Main {
         thread.start();
 
         String name = scanner.nextLine();
-        System.out.println("Hello " + name);
+        System.out.println("hello " + name);
+
         scanner.close();
     }
 }

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

@@ -3,18 +3,20 @@ package lecture.multithreading.timeout;
 public class MyRunnable implements Runnable{
 
     @Override
-    public void run() {
+    public void run(){
-        for (int i = 0; i <= 10; i++) {
+
+        for (int i = 1; i <= 10 ; i++){
             try {
                 Thread.sleep(1000);
             } catch (InterruptedException e) {
                 System.out.println("thread was interrupted");
             }
 
-            if(i==10){
+            if(i == 10){
                 System.out.println("time is up");
                 System.exit(0);
             }
+
         }
     }
 }