moved threaded even and odd number print examples from core-java-concurrency-advanced to core-java-concurrency-advanced-2

core-java-modules/core-java-concurrency-advanced/README.md

@@ -14,7 +14,6 @@
 - [CyclicBarrier in Java](https://www.baeldung.com/java-cyclic-barrier)
 - [Guide to the Volatile Keyword in Java](https://www.baeldung.com/java-volatile)
 
-- [Print Even and Odd Numbers Using 2 Threads](https://www.baeldung.com/java-even-odd-numbers-with-2-threads)
 - [Java CyclicBarrier vs CountDownLatch](https://www.baeldung.com/java-cyclicbarrier-countdownlatch)
 - [Guide to the Fork/Join Framework in Java](https://www.baeldung.com/java-fork-join)
 - [Guide to ThreadLocalRandom in Java](https://www.baeldung.com/java-thread-local-random)

core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java

@@ -1,75 +0,0 @@
-package com.baeldung.concurrent.evenandodd;
-
-import java.util.concurrent.Semaphore;
-
-public class PrintEvenOddSemaphore {
-
-    public static void main(String[] args) {
-        SharedPrinter sp = new SharedPrinter();
-        Thread odd = new Thread(new Odd(sp, 10), "Odd");
-        Thread even = new Thread(new Even(sp, 10), "Even");
-
-        odd.start();
-        even.start();
-    }
-}
-
-class SharedPrinter {
-
-    private final Semaphore semEven = new Semaphore(0);
-    private final Semaphore semOdd = new Semaphore(1);
-
-    void printEvenNum(int num) {
-        try {
-            semEven.acquire();
-        } catch (InterruptedException e) {
-            Thread.currentThread().interrupt();
-        }
-        System.out.println(Thread.currentThread().getName() + ":"+num);
-        semOdd.release();
-    }
-
-    void printOddNum(int num) {
-        try {
-            semOdd.acquire();
-        } catch (InterruptedException e) {
-            Thread.currentThread().interrupt();
-        }
-        System.out.println(Thread.currentThread().getName() + ":"+ num);
-        semEven.release();
-    }
-}
-
-class Even implements Runnable {
-    private final SharedPrinter sp;
-    private final int max;
-
-    Even(SharedPrinter sp, int max) {
-        this.sp = sp;
-        this.max = max;
-    }
-
-    @Override
-    public void run() {
-        for (int i = 2; i <= max; i = i + 2) {
-            sp.printEvenNum(i);
-        }
-    }
-}
-
-class Odd implements Runnable {
-    private SharedPrinter sp;
-    private int max;
-
-    Odd(SharedPrinter sp, int max) {
-        this.sp = sp;
-        this.max = max;
-    }
-
-    @Override
-    public void run() {
-        for (int i = 1; i <= max; i = i + 2) {
-            sp.printOddNum(i);
-        }
-    }
-}

core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java

@@ -1,68 +0,0 @@
-package com.baeldung.concurrent.evenandodd;
-
-public class PrintEvenOddWaitNotify {
-
-    public static void main(String... args) {
-        Printer print = new Printer();
-        Thread t1 = new Thread(new TaskEvenOdd(print, 10, false), "Odd");
-        Thread t2 = new Thread(new TaskEvenOdd(print, 10, true), "Even");
-        t1.start();
-        t2.start();
-    }
-}
-
-class TaskEvenOdd implements Runnable {
-    private final int max;
-    private final Printer print;
-    private final boolean isEvenNumber;
-
-    TaskEvenOdd(Printer print, int max, boolean isEvenNumber) {
-        this.print = print;
-        this.max = max;
-        this.isEvenNumber = isEvenNumber;
-    }
-
-    @Override
-    public void run() {
-        int number = isEvenNumber ? 2 : 1;
-        while (number <= max) {
-            if (isEvenNumber) {
-                print.printEven(number);
-            } else {
-                print.printOdd(number);
-            }
-            number += 2;
-        }
-    }
-}
-
-class Printer {
-    private volatile boolean isOdd;
-
-    synchronized void printEven(int number) {
-        while (!isOdd) {
-            try {
-                wait();
-            } catch (InterruptedException e) {
-                Thread.currentThread().interrupt();
-            }
-        }
-        System.out.println(Thread.currentThread().getName() + ":" + number);
-        isOdd = false;
-        notify();
-    }
-
-    synchronized void printOdd(int number) {
-        while (isOdd) {
-            try {
-                wait();
-            } catch (InterruptedException e) {
-                Thread.currentThread().interrupt();
-            }
-        }
-        System.out.println(Thread.currentThread().getName() + ":" + number);
-        isOdd = true;
-        notify();
-    }
-
-}