diff --git a/bundles/org.eclipse.jface.notifications/src/org/eclipse/jface/notifications/internal/CommonImages.java b/bundles/org.eclipse.jface.notifications/src/org/eclipse/jface/notifications/internal/CommonImages.java
index b031d8d..8aa710b 100644
--- a/bundles/org.eclipse.jface.notifications/src/org/eclipse/jface/notifications/internal/CommonImages.java
+++ b/bundles/org.eclipse.jface.notifications/src/org/eclipse/jface/notifications/internal/CommonImages.java
@@ -88,7 +88,7 @@
 			throw new MalformedURLException();
 		}
 
-		StringBuffer buffer = new StringBuffer(prefix);
+		StringBuilder buffer = new StringBuilder(prefix);
 		buffer.append('/');
 		buffer.append(name);
 		return new URL(baseUrl, buffer.toString());
diff --git a/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/dialogs/Snippet080TitleAreaDialogWithClippedMessage.java b/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/dialogs/Snippet080TitleAreaDialogWithClippedMessage.java
index c8dead9..ddaa55a 100644
--- a/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/dialogs/Snippet080TitleAreaDialogWithClippedMessage.java
+++ b/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/dialogs/Snippet080TitleAreaDialogWithClippedMessage.java
@@ -13,7 +13,7 @@
 		};
 		dialog.create();
 		dialog.setTitle("Test Dialog");
-		StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
 		for (int i = 0; i < 20; i++) {
 			sb.append("Hello World ! ");
 		}