http://nexus.sonatype.org/oss-repository-hosting.html/vertx-parent/vertx-ext/vertx-ext-parent/vertx-web-parent/vertx-web: Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/ (Eclipse) 
class examples.WebExamples$Book
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: examples.WebExamples$Book
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // examples.WebExamples$Book this
         0: .line 1516
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // examples.WebExamples$Book this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lexamples/WebExamples$Book;
}
SourceFile: "WebExamples.java"
NestHost: examples.WebExamples
InnerClasses:
  Book = examples.WebExamples$Book of examples.WebExamples