Executor Service

src/main/java/ExecutorServiceFixed.java

+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class ExecutorServiceFixed {
+
+public static void main(String arg[]){
+    ExecutorService executorService = Executors.newFixedThreadPool(3);
+    for(int i=0;i<20;i++) {
+        executorService.execute(newRunnable(" "+i));
+    }
+
+    executorService.shutdown();
+}
+private  static  Runnable newRunnable(String msg){
+    return  new Runnable() {
+        @Override
+        public void run() {
+            String report = Thread.currentThread().getName()+" :"+msg;
+            System.out.println(report);
+        }
+    };
+}
+}