Compiled from "Prob3_6.java"
class Prob3_6$B {
  public static int x;

  Prob3_6$B();
    Code:
       0: aload_0
       1: invokespecial #1                  // Method java/lang/Object."<init>":()V
       4: return

  static void runIt(int);
    Code:
       0: iload_0
           [[  a       -- a is parameter
       1: iload_0
           [[  a   a
       2: imul
           [[  a*a
       3: putstatic     #2                  // Field x:I
           [[          -- set static indexed into constant pool
       6: iconst_1
           [[  1
       7: invokestatic  #3                  // Method Prob3_6$B$R.runIt:(I)V
           [[          -- invoke static indexed via constat pool
      10: return
}

Constant pool:
   #1 = Methodref          #5.#22         // java/lang/Object."<init>":()V
   #2 = Fieldref           #4.#23         // Prob3_6$B.x:I
   #3 = Methodref          #8.#24         // Prob3_6$B$R.runIt:(I)V
   #4 = Class              #26            // Prob3_6$B
   #5 = Class              #27            // java/lang/Object
   #6 = Utf8               B
   #7 = Utf8               InnerClasses
   #8 = Class              #28            // Prob3_6$B$R
   #9 = Utf8               R
  #10 = Class              #29            // Prob3_6$B$A
  #11 = Utf8               A
  #12 = Utf8               x
  #13 = Utf8               I
  #14 = Utf8               <init>
  #15 = Utf8               ()V
  #16 = Utf8               Code
  #17 = Utf8               LineNumberTable
  #18 = Utf8               runIt
  #19 = Utf8               (I)V
  #20 = Utf8               SourceFile
  #21 = Utf8               Prob3_6.java
  #22 = NameAndType        #14:#15        // "<init>":()V
  #23 = NameAndType        #12:#13        // x:I
  #24 = NameAndType        #18:#19        // runIt:(I)V
  #25 = Class              #30            // Prob3_6
  #26 = Utf8               Prob3_6$B
  #27 = Utf8               java/lang/Object
  #28 = Utf8               Prob3_6$B$R
  #29 = Utf8               Prob3_6$B$A
  #30 = Utf8               Prob3_6

InnerClasses:
  static #6= #4 of #25;                   // B=class Prob3_6$B of class Prob3_6
  static #9= #8 of #4;                    // R=class Prob3_6$B$R of class Prob3_6$B
  static #11= #10 of #4;                  // A=class Prob3_6$B$A of class Prob3_6$B