AtomicIntegerDemo

Author: ZHENFENG13

src/chapter4/AtomicIntegerDemo.java

@@ -0,0 +1,36 @@
+package chapter4;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+
+public class AtomicIntegerDemo {
+    static AtomicInteger i = new AtomicInteger();
+
+    public static class AddThread implements Runnable {
+
+        @Override
+        public void run() {
+            for (int j = 0; j < 10002; j++) {
+                i.incrementAndGet();
+            }
+        }
+    }
+
+    public static void main(String args[]) throws InterruptedException {
+
+        Thread[] threads = new Thread[10];
+
+        for (int j = 0; j < 10; j++) {
+            threads[j] = new Thread(new AddThread());
+        }
+
+        for (int j = 0; j < 10; j++) {
+            threads[j].start();
+        }
+        for (int j = 0; j < 10; j++) {
+            threads[j].join();
+        }
+
+        System.out.println(i);
+    }
+}