openide/java/java-impl/resources/inspectionDescriptions/NestingDepth.html

<html>
<body>
Reports methods whose body contain too deeply nested statements.
<p>Methods with too deep statement
  nesting may be confusing and are a good sign that refactoring may be necessary.</p>
<!-- tooltip end -->
<p>Use the <b>Nesting depth limit</b> field to specify the maximum allowed nesting depth for a method.<p>
</body>
</html>