Intermediate

Author: Programmer-RD-AI

MultiThreading/.idea/.gitignore

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+public class Main {
+    public static void main(String[] args) throws InterruptedException {
+        MyThread thread1 = new MyThread();
+        MyRunnable runnable1 = new MyRunnable();
+        Thread thread2 = new Thread(runnable1);
+        thread1.start();
+        thread1.join(); // wait till thread1 is finished then thread2 starts yk?
+        thread2.start();
+        // thread1.setDaemon(true); then if the main thread ides they will also stop yk?
+        return;
+    }
+}

MultiThreading/.idea/MultiThreading.iml

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+public class MyRunnable implements Runnable{
+    @Override
+    public void run() {
+        for (int i = 10; i > 0; i--){
+            System.out.println("Thread #2" + i);
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        System.out.println("Thread #2 Finished");
+    }
+}

MultiThreading/.idea/misc.xml

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+public class MyThread extends Thread{
+    @Override
+    public void run() {
+        for (int i = 0; i < 10; i++){
+            System.out.println("Thread #1" + i);
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        System.out.println("Thread #1 Finished");
+    }
+}

MultiThreading/.idea/modules.xml

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+import Tools.Toolbox;
+
+public class Main {
+    public static void main(String[] args) {
+        Toolbox toolbox = new Toolbox();
+
+    }
+}

MultiThreading/.idea/vcs.xml

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+package Tools;
+
+public class Toolbox {
+
+}

MultiThreading/Main.java

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+import java.util.Queue;
+
+public class Main {
+    public static void main(String[] args) {
+        Queue<String> queue = new Queue<String>();
+    }
+}

MultiThreading/MyRunnable.java

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+import java.io.*;
+
+public class Main {
+    public static void main(String[] args) {
+        //  Serialization = saving an file with the object's information
+        //  Deserialization = loading the saved file
+
+        User user = new User();
+        user.name = "broe";
+        user.password = "pifg";
+        user.sayHello();
+
+        FileOutputStream fileOut = new FileOutputStream("UserInfo.ser");
+        ObjectOutputStream out = new ObjectOutputStream(fileOut);
+        out.write(user);
+        out.close();
+        fileOut.close();
+
+        System.out.println("object info saved");
+    }
+}

MultiThreading/MyThread.java

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+import java.io.Serializable;
+
+public class User implements Serializable {
+    String name;
+    String password;
+
+    public void sayHello(){
+        System.out.println("Hello");
+    }
+}

MultiThreading/out/production/MultiThreading/.idea/.gitignore

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+public class Main {
+    public static void main(String[] args) throws InterruptedException {
+        // Daemon thread is a low priority thread that runs in background to perform tasks such as garbage collection
+        //				JVM terminates itself when all user threads (non-daemon threads) finish their execution
+
+//        System.out.println(Thread.activeCount());
+//        Thread.currentThread().setName("testing");
+//        System.out.println(Thread.currentThread().getName());
+//        Thread.currentThread().setPriority(10);
+//        System.out.println(Thread.currentThread().getPriority());
+//        System.out.println(Thread.currentThread().isAlive());
+//
+//        for (int i = 3; i>0; i--){
+//            System.out.println(i);
+//            Thread.sleep(1000);
+//        }
+//
+//        System.out.println("done");
+        MyThread thread2 = new MyThread();
+        thread2.setDaemon(true);
+        System.out.println(thread2.isDaemon());
+        thread2.start();
+        thread2.setPriority(10);
+        System.out.println(thread2.isAlive());
+        System.out.println(thread2.getPriority());
+        System.out.println(Thread.activeCount());
+    }
+}

MultiThreading/out/production/MultiThreading/.idea/MultiThreading.iml

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+public class MyThread extends Thread{
+    @Override
+    public void run() {
+        this.isDaemon();
+        System.out.println("this threading is running");
+    }
+
+
+}