@@ -0,0 +1,285 @@
+package sfBugs;%0A%0Aimport edu.umd.cs.findbugs.annotations.CheckForNull;%0A%0Apublic class Bug1828288 %7B%0A%0A%09 @CheckForNull%0A%09 private Object field = null;%0A%0A%09 public void init() %7B%0A%09   field = new Object();%0A%09 %7D%0A%0A%09 @Override%0A%09 public String toString() %7B%0A%09   return field.toString(); // (*)%0A%09 %7D%0A%0A%0A%7D%0A

add test case