JAL-3048 javadoc and code tidy

diff --git a/src/jalview/bin/Cache.java b/src/jalview/bin/Cache.java
index 1f031b2..b6315f3 100755 (executable)
--- a/src/jalview/bin/Cache.java
+++ b/src/jalview/bin/Cache.java
@@ -604,18 +604,13 @@ public class Cache
   }
 
   /**
-   * These methods are used when checking if the saved preference is different
-   * to the default setting
+   * Answers the value of the given property, or the supplied default value if
+   * the property is not set
    */
   public static String getDefault(String property, String def)
   {
-    String string = getProperty(property);
-    if (string != null)
-    {
-      return string;
-    }
-
-    return def;
+    String value = getProperty(property);
+    return value == null ? def : value;
   }
 
   /**