Initial updates

pinpoint-agent-attach-example/java/build/Sample.java

@@ -0,0 +1,14 @@
+public class Sample {
+
+    public static void main(String[] args) {
+        System.out.println("Sample Java Start");
+        try {
+            while (true) {
+                Thread.sleep(1000);
+            }
+        }
+        catch (java.lang.InterruptedException e) {
+            System.out.println("Test Finished");
+        }
+    }
+}