Adding the suggestions.

Author: anu3990

marklogic-client-api/src/main/java/com/marklogic/client/example/util/Bootstrapper.java

@@ -461,8 +461,7 @@ public String toXMLString()
       }
 
       writer.writeStartElement("port");
-      if(String.valueOf(port) != null)
-        writer.writeCharacters(String.valueOf(port));
+      writer.writeCharacters(String.valueOf(port));
       writer.writeEndElement();
 
       writer.writeEndElement();

marklogic-client-api/src/main/java/com/marklogic/client/impl/DOMWriter.java

@@ -136,7 +136,7 @@ public void serializeAttributes(NamedNodeMap attributes) throws XMLStreamExcepti
     }
   }
   public void serializeText(Text text) throws XMLStreamException {
-    if(text != null && text.getData() != null)
+    if(text != null)
       serializer.writeCharacters(text.getData());
   }
   public void serializeCDATASection(CDATASection cdata) throws XMLStreamException {

marklogic-client-api/src/main/java/com/marklogic/client/impl/DocumentMetadataPatchBuilderImpl.java

@@ -757,8 +757,7 @@ public void write(JSONStringWriter serializer) {
     public void write(XMLOutputSerializer out) throws Exception {
       XMLStreamWriter serializer = out.getSerializer();
       writeStartReplace(out, "/rapi:metadata/rapi:quality", null);
-      if(String.valueOf(quality) != null)
-        serializer.writeCharacters(String.valueOf(quality));
+      serializer.writeCharacters(String.valueOf(quality));
       serializer.writeEndElement();
     }
   }

marklogic-client-api/src/main/java/com/marklogic/client/io/DocumentMetadataHandle.java

@@ -900,8 +900,7 @@ private void sendPropertiesImpl(final XMLStreamWriter serializer) throws XMLStre
   private void sendQualityImpl(XMLStreamWriter serializer) throws XMLStreamException {
     if ( qualityModified == false ) return;
     serializer.writeStartElement("rapi", "quality", REST_API_NS);
-    if(String.valueOf(getQuality()) != null)
-      serializer.writeCharacters(String.valueOf(getQuality()));
+    serializer.writeCharacters(String.valueOf(getQuality()));
     serializer.writeEndElement();
   }
   static private class ValueSerializer implements ValueConverter.ValueProcessor {