Avoid using implementation types like 'HashMap'; use the interface instead

src/main/java/org/lsc/jndi/JndiModifications.java

@@ -48,6 +48,7 @@ package org.lsc.jndi;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import javax.naming.NamingEnumeration;
 import javax.naming.NamingException;
@@ -166,7 +167,7 @@ public class JndiModifications {
 	 *
 	 * @return the hash
 	 */
-	public HashMap<String, List<String>> getModificationsItemsByHash() {
+	public Map<String, List<String>> getModificationsItemsByHash() {
 		HashMap<String, List<String>> result = new HashMap<String, List<String>>();
 		List<ModificationItem> mi = this.getModificationItems();
 

src/main/java/org/lsc/utils/directory/AD.java

@@ -50,6 +50,7 @@ import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.Map;
 
 /**
  * Utility class to manage specific entries for a Microsoft ActiveDirectory
@@ -178,8 +179,8 @@ public class AD {
 	}
 
 	/* The Hash of values to set or to unset  */
-	private static final HashMap<Integer, Integer> setHexValue = new HashMap<Integer, Integer>();
-	private static final HashMap<Integer, Integer> unsetHexValue = new HashMap<Integer, Integer>();
+	private static final Map<Integer, Integer> setHexValue = new HashMap<Integer, Integer>();
+	private static final Map<Integer, Integer> unsetHexValue = new HashMap<Integer, Integer>();
 
 	/**
 	 * Internal values in the AD in Hex