diff --git a/extras/src/main/java/edu/umd/cs/piccolox/util/PFixedWidthStroke.java b/extras/src/main/java/edu/umd/cs/piccolox/util/PFixedWidthStroke.java
index 56fdafa..6106792 100644
--- a/extras/src/main/java/edu/umd/cs/piccolox/util/PFixedWidthStroke.java
+++ b/extras/src/main/java/edu/umd/cs/piccolox/util/PFixedWidthStroke.java
@@ -112,8 +112,8 @@
     }
 
     public PFixedWidthStroke(final float width, final int cap, final int join, final float miterlimit,
-            final float[] dash, final float dash_phase) {
-        this(new BasicStroke(width, cap, join, miterlimit, dash, dash_phase));
+            final float[] dash, final float dashPhase) {
+        this(new BasicStroke(width, cap, join, miterlimit, dash, dashPhase));
     }
 
     /**
diff --git a/extras/src/main/java/edu/umd/cs/piccolox/util/ShadowUtils.java b/extras/src/main/java/edu/umd/cs/piccolox/util/ShadowUtils.java
index f1b5b6a..21b65ed 100755
--- a/extras/src/main/java/edu/umd/cs/piccolox/util/ShadowUtils.java
+++ b/extras/src/main/java/edu/umd/cs/piccolox/util/ShadowUtils.java
@@ -124,9 +124,9 @@
 
             double sum = 0.0d;
             for (int x = 0; x < w; x++) {
-                int xr2 = (x-r) * (x-r);                
+                int xr2 = (x - r) * (x - r);
                 for (int y = 0; y < w; y++) {
-                    int yr2 = (y-r) * (y-r);
+                    int yr2 = (y - r) * (y - r);
                     kernel[x * w + y] = (float) (Math.pow(Math.E, -(yr2 + xr2) / m) / n);
                     sum += kernel[x * w + y];
                 }
diff --git a/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java b/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
index 61b8dda..a9566da 100644
--- a/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
+++ b/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
@@ -452,14 +452,14 @@
     }
 
     /** {@inheritDoc} */
-    public void transform(final AffineTransform Tx) {
-        transform.concatenate(Tx);
+    public void transform(final AffineTransform srcTransform) {
+        transform.concatenate(srcTransform);
         updateSWTTransform();
     }
 
     /** {@inheritDoc} */
-    public void setTransform(final AffineTransform Tx) {
-        transform = (AffineTransform) Tx.clone();
+    public void setTransform(final AffineTransform newTransform) {
+        transform = (AffineTransform) newTransform.clone();
         updateSWTTransform();
     }