diff --git a/.gitignore b/.gitignore
index f617d02..9ec3e63 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,3 +63,4 @@
 _site/
 _*
 _*/
+deps/
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index dcee60c..4ef5f68 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -22,7 +22,7 @@
  * @author lrhodes
  *
  */
-module org.apache.datasketches.memory {
+module org.apache.datasketches.memseg {
   requires jdk.incubator.foreign;
-  exports org.apache.datasketches.memory;
+  exports org.apache.datasketches.memseg;
 }
diff --git a/src/main/java/org/apache/datasketches/memory/AllocateDirect.java b/src/main/java/org/apache/datasketches/memseg/AllocateDirect.java
similarity index 65%
rename from src/main/java/org/apache/datasketches/memory/AllocateDirect.java
rename to src/main/java/org/apache/datasketches/memseg/AllocateDirect.java
index ab564d0..d4a744c 100644
--- a/src/main/java/org/apache/datasketches/memory/AllocateDirect.java
+++ b/src/main/java/org/apache/datasketches/memseg/AllocateDirect.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.apache.datasketches.memory;
+package org.apache.datasketches.memseg;
 
 //import jdk.incubator.foreign.MemoryAddress;
 import jdk.incubator.foreign.MemorySegment;
@@ -28,15 +28,19 @@
  *
  * @author Lee Rhodes
  */
-class AllocateDirect {
+final class AllocateDirect implements AutoCloseable {
   private final MemorySegment directSeg;
 
   /**
-   * Construct Memory Segment
-   * @param capacityBytes blah
+   * Base Constructor for allocate native memory.
+   *
+   * <p>Allocates and provides access to capacityBytes directly in native (off-heap) memory
+   * leveraging the Memory interface.
+   * The allocated memory will be 8-byte aligned, but may not be page aligned.
+   * @param capacityBytes the the requested capacity of off-heap memory. Cannot be zero.
    */
   AllocateDirect(final long capacityBytes) {
-    directSeg = MemorySegment.allocateNative(capacityBytes);
+    directSeg = MemorySegment.allocateNative(capacityBytes, 8);
   }
 
   MemorySegment getMemorySegment() {
@@ -47,23 +51,12 @@
     return directSeg.address().toRawLongValue();
   }
 
-  void close() {
+  @Override
+  public void close() {
     directSeg.close();
   }
+  
+  
 
-  @SuppressWarnings("resource")
-  public static void checkAllocDirect() {
-    final long bytesIn = 64;
-    AllocateDirect allocateDirect = new AllocateDirect(bytesIn);
-    final MemorySegment seg = allocateDirect.getMemorySegment();
-    final long bytesOut = seg.byteSize();
-    String out = (bytesOut == bytesIn) ? "OK" : "Not OK";
-    System.out.println(out);
-    allocateDirect.close();
-  }
-
-  public static void main(final String[] args) {
-    checkAllocDirect();
-  }
 }
 
diff --git a/src/main/java/org/apache/datasketches/memseg/package-info.java b/src/main/java/org/apache/datasketches/memseg/package-info.java
new file mode 100644
index 0000000..4faf9db
--- /dev/null
+++ b/src/main/java/org/apache/datasketches/memseg/package-info.java
@@ -0,0 +1,23 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * @author lrhodes
+ */
+package org.apache.datasketches.memseg;
diff --git a/src/test/java/org/apache/datasketches/memory/AllocateDirectTest.java b/src/test/java/org/apache/datasketches/memseg/AllocateDirectTest.java
similarity index 68%
rename from src/test/java/org/apache/datasketches/memory/AllocateDirectTest.java
rename to src/test/java/org/apache/datasketches/memseg/AllocateDirectTest.java
index 1d03488..352dc4a 100644
--- a/src/test/java/org/apache/datasketches/memory/AllocateDirectTest.java
+++ b/src/test/java/org/apache/datasketches/memseg/AllocateDirectTest.java
@@ -17,11 +17,14 @@
  * under the License.
  */
 
-package org.apache.datasketches.memory;
+package org.apache.datasketches.memseg;
+
+import static org.testng.Assert.assertEquals;
+
+import org.testng.annotations.Test;
 
 import jdk.incubator.foreign.MemorySegment;
-import org.testng.annotations.Test;
-//import static org.testng.Assert.assertEquals;
+
 
 
 /**
@@ -32,20 +35,21 @@
  */
 public class AllocateDirectTest {
 
-  /**
-   * check AllocDirect.
-   */
   @Test
   @SuppressWarnings("resource")
   public void checkAllocDirect() {
     final long bytesIn = 64;
-    AllocateDirect allocateDirect = new AllocateDirect(bytesIn);
-    final MemorySegment seg = allocateDirect.getMemorySegment();
-    final long bytesOut = seg.byteSize();
-    String out = (bytesOut == bytesIn) ? "OK" : "Not OK";
-    System.out.println(out);
-    allocateDirect.close();
+    try (AllocateDirect allocateDirect = new AllocateDirect(bytesIn)) {
+      final MemorySegment seg = allocateDirect.getMemorySegment();
+      final long bytesOut = seg.byteSize();
+      assertEquals(bytesOut, bytesIn);
+      String str = (bytesOut == bytesIn) ? "OK" : "Not OK";
+      println(str);
+      //allocateDirect.close(); //fast close
+    }
   }
 
+  
+  static void println(Object o) { System.out.println(o.toString()); }
 }
 
diff --git a/tools/MemoryCheckstyle.xml b/tools/MemoryCheckstyle.xml
index 3b80313..727ac63 100644
--- a/tools/MemoryCheckstyle.xml
+++ b/tools/MemoryCheckstyle.xml
@@ -126,7 +126,7 @@
     <module name="JavadocParagraph"/>
     <module name="JavadocTagContinuationIndentation">
       <property name="severity" value="ignore"/>
-      <metadata name="net.sf.eclipsecs.core.lastEnabledSeverity" value="inherit"/>
+      <!-- <metadata name="net.sf.eclipsecs.core.lastEnabledSeverity" value="inherit"/> -->
     </module>
     <module name="NonEmptyAtclauseDescription"/>
     <module name="SingleLineJavadoc">