src/share/classes/java/util/IllegalFormatConversionException.java

@@ -38,11 +38,11 @@
 public class IllegalFormatConversionException extends IllegalFormatException {
 
     private static final long serialVersionUID = 17000126L;
 
     private char c;
-    private Class arg;
+    private Class<?> arg;
 
     /**
      * Constructs an instance of this class with the mismatched conversion and
      * the corresponding argument class.
      *