diff --git a/src/main/java/org/json/CDL.java b/src/main/java/org/json/CDL.java
index 26dc2da..b495de1 100644
--- a/src/main/java/org/json/CDL.java
+++ b/src/main/java/org/json/CDL.java
@@ -25,6 +25,12 @@ Public Domain.
  */
 public class CDL {
 
+    /**
+     * Constructs a new CDL object.
+     */
+    public CDL() {
+    }
+
     /**
      * Get the next value. The value can be wrapped in quotes. The value can
      * be empty.
diff --git a/src/main/java/org/json/Cookie.java b/src/main/java/org/json/Cookie.java
index 7a7e028..ab908a3 100644
--- a/src/main/java/org/json/Cookie.java
+++ b/src/main/java/org/json/Cookie.java
@@ -15,6 +15,12 @@ Public Domain.
  */
 public class Cookie {
 
+    /**
+     * Constructs a new Cookie object.
+     */
+    public Cookie() {
+    }
+
     /**
      * Produce a copy of a string in which the characters '+', '%', '=', ';'
      * and control characters are replaced with "%hh". This is a gentle form
diff --git a/src/main/java/org/json/CookieList.java b/src/main/java/org/json/CookieList.java
index 03e54b9..d1064db 100644
--- a/src/main/java/org/json/CookieList.java
+++ b/src/main/java/org/json/CookieList.java
@@ -11,6 +11,12 @@ Public Domain.
  */
 public class CookieList {
 
+    /**
+     * Constructs a new CookieList object.
+     */
+    public CookieList() {
+    }
+ 
     /**
      * Convert a cookie list into a JSONObject. A cookie list is a sequence
      * of name/value pairs. The names are separated from the values by '='.
diff --git a/src/main/java/org/json/HTTP.java b/src/main/java/org/json/HTTP.java
index 6fee6ba..44ab3a6 100644
--- a/src/main/java/org/json/HTTP.java
+++ b/src/main/java/org/json/HTTP.java
@@ -13,6 +13,12 @@ import java.util.Locale;
  */
 public class HTTP {
 
+    /**
+     * Constructs a new HTTP object.
+     */
+    public HTTP() {
+    }
+
     /** Carriage return/line feed. */
     public static final String CRLF = "\r\n";
 
diff --git a/src/main/java/org/json/JSONML.java b/src/main/java/org/json/JSONML.java
index 4aea014..7b53e4d 100644
--- a/src/main/java/org/json/JSONML.java
+++ b/src/main/java/org/json/JSONML.java
@@ -13,6 +13,13 @@ Public Domain.
  * @version 2016-01-30
  */
 public class JSONML {
+
+    /**
+     * Constructs a new JSONML object.
+     */
+    public JSONML() {
+    }
+
     /**
      * Parse XML values and store them in a JSONArray.
      * @param x       The XMLTokener containing the source string.
diff --git a/src/main/java/org/json/JSONPointer.java b/src/main/java/org/json/JSONPointer.java
index 91bd137..859e1e6 100644
--- a/src/main/java/org/json/JSONPointer.java
+++ b/src/main/java/org/json/JSONPointer.java
@@ -42,6 +42,12 @@ public class JSONPointer {
      */
     public static class Builder {
 
+        /**
+         * Constructs a new Builder object.
+         */
+        public Builder() {
+        }
+
         // Segments for the eventual JSONPointer string
         private final List<String> refTokens = new ArrayList<String>();
 
diff --git a/src/main/java/org/json/JSONPropertyName.java b/src/main/java/org/json/JSONPropertyName.java
index 4391bb7..0e4123f 100644
--- a/src/main/java/org/json/JSONPropertyName.java
+++ b/src/main/java/org/json/JSONPropertyName.java
@@ -21,6 +21,7 @@ import java.lang.annotation.Target;
 @Target({METHOD})
 public @interface JSONPropertyName {
     /**
+     * The value of the JSON property.
      * @return The name of the property as to be used in the JSON Object.
      */
     String value();
diff --git a/src/main/java/org/json/Property.java b/src/main/java/org/json/Property.java
index 83694c0..ba6c569 100644
--- a/src/main/java/org/json/Property.java
+++ b/src/main/java/org/json/Property.java
@@ -13,6 +13,13 @@ import java.util.Properties;
  * @version 2015-05-05
  */
 public class Property {
+
+    /**
+     * Constructs a new Property object.
+     */
+    public Property() {
+    }
+
     /**
      * Converts a property file object into a JSONObject. The property file object is a table of name value pairs.
      * @param properties java.util.Properties
diff --git a/src/main/java/org/json/XML.java b/src/main/java/org/json/XML.java
index 301c8ba..484463b 100644
--- a/src/main/java/org/json/XML.java
+++ b/src/main/java/org/json/XML.java
@@ -24,6 +24,12 @@ import static org.json.NumberConversionUtil.stringToNumber;
 @SuppressWarnings("boxing")
 public class XML {
 
+    /**
+     * Constructs a new XML object.
+     */
+    public XML() {
+    }
+
     /** The Character '&amp;'. */
     public static final Character AMP = '&';