diff --git a/src/main/java/com/flickr4java/flickr/Parameter.java b/src/main/java/com/flickr4java/flickr/Parameter.java
index 7d0b62d..e292cc6 100644
--- a/src/main/java/com/flickr4java/flickr/Parameter.java
+++ b/src/main/java/com/flickr4java/flickr/Parameter.java
@@ -27,7 +27,7 @@ public Parameter(String name, Object value) {
 
     public Parameter(String name, long value) {
         this.name = name;
-        this.value = new Long(value);
+        this.value = value;
     }
 
     public String getName() {
diff --git a/src/main/java/com/flickr4java/flickr/photos/Editability.java b/src/main/java/com/flickr4java/flickr/photos/Editability.java
index 618229d..d8c4f0d 100644
--- a/src/main/java/com/flickr4java/flickr/photos/Editability.java
+++ b/src/main/java/com/flickr4java/flickr/photos/Editability.java
@@ -45,8 +45,8 @@ public boolean equals(Object obj) {
     @Override
     public int hashCode() {
         int hash = 1;
-        hash += new Boolean(comment).hashCode();
-        hash += new Boolean(addmeta).hashCode();
+        hash += Boolean.hashCode(comment);
+        hash += Boolean.hashCode(addmeta);
         return hash;
     }
 
diff --git a/src/main/java/com/flickr4java/flickr/photos/GeoData.java b/src/main/java/com/flickr4java/flickr/photos/GeoData.java
index 85133a9..d7fc0b7 100644
--- a/src/main/java/com/flickr4java/flickr/photos/GeoData.java
+++ b/src/main/java/com/flickr4java/flickr/photos/GeoData.java
@@ -81,9 +81,9 @@ public boolean equals(Object obj) {
     @Override
     public int hashCode() {
         int hash = 1;
-        hash += new Float(longitude).hashCode();
-        hash += new Float(latitude).hashCode();
-        hash += new Integer(accuracy).hashCode();
+        hash += Float.hashCode(longitude);
+        hash += Float.hashCode(latitude);
+        hash += Integer.hashCode(accuracy);
         return hash;
     }
 }
diff --git a/src/main/java/com/flickr4java/flickr/photos/Permissions.java b/src/main/java/com/flickr4java/flickr/photos/Permissions.java
index 06dbe5c..239d7e9 100644
--- a/src/main/java/com/flickr4java/flickr/photos/Permissions.java
+++ b/src/main/java/com/flickr4java/flickr/photos/Permissions.java
@@ -103,11 +103,11 @@ public boolean equals(Object obj) {
     public int hashCode() {
         int hash = 87;
         hash += id.hashCode();
-        hash += new Integer(comment).hashCode();
-        hash += new Integer(addmeta).hashCode();
-        hash += new Boolean(publicFlag).hashCode();
-        hash += new Boolean(friendFlag).hashCode();
-        hash += new Boolean(familyFlag).hashCode();
+        hash += Integer.hashCode(comment);
+        hash += Integer.hashCode(addmeta);
+        hash += Boolean.hashCode(publicFlag);
+        hash += Boolean.hashCode(friendFlag);
+        hash += Boolean.hashCode(familyFlag);
         return hash;
     }
 }
diff --git a/src/main/java/com/flickr4java/flickr/photos/Size.java b/src/main/java/com/flickr4java/flickr/photos/Size.java
index 0d7a95f..5e06bcc 100644
--- a/src/main/java/com/flickr4java/flickr/photos/Size.java
+++ b/src/main/java/com/flickr4java/flickr/photos/Size.java
@@ -348,9 +348,9 @@ public boolean equals(Object obj) {
     public int hashCode() {
 
         int hash = 1;
-        hash += new Integer(label).hashCode();
-        hash += new Integer(width).hashCode();
-        hash += new Integer(height).hashCode();
+        hash += Integer.hashCode(label);
+        hash += Integer.hashCode(width);
+        hash += Integer.hashCode(height);
         if (source != null) {
             hash += source.hashCode();
         }
diff --git a/src/main/java/com/flickr4java/flickr/stats/Domain.java b/src/main/java/com/flickr4java/flickr/stats/Domain.java
index 299f1ed..07353fe 100644
--- a/src/main/java/com/flickr4java/flickr/stats/Domain.java
+++ b/src/main/java/com/flickr4java/flickr/stats/Domain.java
@@ -49,7 +49,7 @@ public void setViews(Long views) {
     public void setViews(String views) {
 
         try {
-            setViews(new Long(views));
+            setViews(Long.valueOf(views));
         } catch (NumberFormatException e) {
             // ignore and set value as null
         }
diff --git a/src/main/java/com/flickr4java/flickr/stats/Referrer.java b/src/main/java/com/flickr4java/flickr/stats/Referrer.java
index e64ac8c..936a252 100644
--- a/src/main/java/com/flickr4java/flickr/stats/Referrer.java
+++ b/src/main/java/com/flickr4java/flickr/stats/Referrer.java
@@ -49,7 +49,7 @@ public void setViews(Long views) {
     public void setViews(String views) {
 
         try {
-            setViews(new Long(views));
+            setViews(Long.valueOf(views));
         } catch (NumberFormatException e) {
             // ignore and set value as null
         }
diff --git a/src/main/java/com/flickr4java/flickr/tags/Tag.java b/src/main/java/com/flickr4java/flickr/tags/Tag.java
index 81354c3..3e01f31 100644
--- a/src/main/java/com/flickr4java/flickr/tags/Tag.java
+++ b/src/main/java/com/flickr4java/flickr/tags/Tag.java
@@ -90,7 +90,7 @@ public boolean equals(Object obj) {
     @Override
     public int hashCode() {
         int hash = 1;
-        hash += new Integer(count).hashCode();
+        hash +=  Integer.hashCode(count);
         if (value != null) {
             hash += value.hashCode();
         }