MultipleNestedClasses demo

gistfile1.txt

// MultipleNestedClasses.java
package javassist;

public class MultipleNestedClasses { 
  static class Nested1 {}
  static class Nested2 {}
}


// $ javac MultipleNestedClasses.java
// $ javap -v MultipleNestedClasses$Nested2.class
Classfile /Users/james_bellenger/airlab/repos/treehouse/temp/jnested/MultipleNestedClasses$Nested2.class
  Last modified Sep 17, 2024; size 331 bytes
  MD5 checksum 248126d10870b07c9553c289e347c8ed
  Compiled from "MultipleNestedClasses.java"
class javassist.MultipleNestedClasses$Nested2
  minor version: 0
  major version: 55
  flags: (0x0020) ACC_SUPER
  this_class: #2                          // javassist/MultipleNestedClasses$Nested2
  super_class: #3                         // java/lang/Object
  interfaces: 0, fields: 0, methods: 1, attributes: 3
Constant pool:
   #1 = Methodref          #3.#12         // java/lang/Object."<init>":()V
   #2 = Class              #13            // javassist/MultipleNestedClasses$Nested2
   #3 = Class              #16            // java/lang/Object
   #4 = Utf8               <init>
   #5 = Utf8               ()V
   #6 = Utf8               Code
   #7 = Utf8               LineNumberTable
   #8 = Utf8               SourceFile
   #9 = Utf8               MultipleNestedClasses.java
  #10 = Utf8               NestHost
  #11 = Class              #17            // javassist/MultipleNestedClasses
  #12 = NameAndType        #4:#5          // "<init>":()V
  #13 = Utf8               javassist/MultipleNestedClasses$Nested2
  #14 = Utf8               Nested2
  #15 = Utf8               InnerClasses
  #16 = Utf8               java/lang/Object
  #17 = Utf8               javassist/MultipleNestedClasses
{
  javassist.MultipleNestedClasses$Nested2();
    descriptor: ()V
    flags: (0x0000)
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return
      LineNumberTable:
        line 5: 0
}
SourceFile: "MultipleNestedClasses.java"
NestHost: class javassist/MultipleNestedClasses
InnerClasses:
  static #14= #2 of #11;                  // Nested2=class javassist/MultipleNestedClasses$Nested2 of class javassist/MultipleNestedClasses