Simple example wishing what needs to happen

Author: arnab

.gitignore

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+*.class

BarrierExample.java

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+public class BarrierExample {
+
+  public static void main(String args[]){
+    for(int i=0; i<50; i++) {
+      new Thread(new Worker()).start();
+    }
+  }
+
+}

Worker.java

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+public class Worker implements Runnable {
+
+    public void log(String message) {
+        System.out.println(Thread.currentThread().getName() + ": " + message);
+    }
+
+    public void run(){
+        log("running");
+        log("this should happen before reaching the barrier");
+
+        // TODO: insert barrier here
+        log("this should happen after the barrier");
+    }
+
+}