Initial commit 10.4

src/main/java/_10/_4/NameOutput.java

@@ -0,0 +1,55 @@
+package _10._4;
+
+public class NameOutput extends Thread {
+    private NumberData currentNumber;
+    private int threadNumber;
+
+    public NameOutput(int threadNumber, NumberData currentNumber) {
+        this.threadNumber = threadNumber;
+        this.currentNumber = currentNumber;
+    }
+
+    @Override
+    public void run() {
+        while (true) {
+            synchronized (currentNumber) {
+                while (currentNumber.getNumber() != threadNumber) {
+                    try {
+                        currentNumber.wait();
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+                }
+                System.out.println(this.getName());
+                currentNumber.increaseNumber();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        int numberOfThreads = 3;
+        NumberData currentNumber = new NumberData(numberOfThreads);
+        for (int i = 0; i < numberOfThreads; i++) {
+            Thread thread = new NameOutput(i, currentNumber);
+            thread.start();
+        }
+    }
+}
+
+class NumberData {
+    private int number = 0;
+    private int modulo;
+
+    public NumberData(int modulo) {
+        this.modulo = modulo;
+    }
+
+    public int getNumber() {
+            return number;
+    }
+
+    public void increaseNumber() {
+        this.number = (this.number + 1) % this.modulo;
+        notifyAll();
+    }
+}