class javax.swing.plaf.basic.BasicOptionPaneUI$2 implements java.awt.event.HierarchyListener
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: javax.swing.plaf.basic.BasicOptionPaneUI$2
  super_class: java.lang.Object
{
  final javax.swing.plaf.basic.BasicOptionPaneUI this$0;
    descriptor: Ljavax/swing/plaf/basic/BasicOptionPaneUI;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(javax.swing.plaf.basic.BasicOptionPaneUI);
    descriptor: (Ljavax/swing/plaf/basic/BasicOptionPaneUI;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // javax.swing.plaf.basic.BasicOptionPaneUI$2 this
         0: .line 789
            aload 0 /* this */
            aload 1
            putfield javax.swing.plaf.basic.BasicOptionPaneUI$2.this$0:Ljavax/swing/plaf/basic/BasicOptionPaneUI;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // javax.swing.plaf.basic.BasicOptionPaneUI$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljavax/swing/plaf/basic/BasicOptionPaneUI$2;
    MethodParameters:
        Name  Flags
      this$0  final

  public void hierarchyChanged(java.awt.event.HierarchyEvent);
    descriptor: (Ljava/awt/event/HierarchyEvent;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // javax.swing.plaf.basic.BasicOptionPaneUI$2 this
        start local 1 // java.awt.event.HierarchyEvent e
         0: .line 791
            aload 1 /* e */
            invokevirtual java.awt.event.HierarchyEvent.getChangeFlags:()J
         1: .line 792
            lconst_1
         2: .line 791
            land
         3: .line 792
            lconst_0
         4: .line 791
            lcmp
            ifeq 10
         5: .line 793
            aload 1 /* e */
            invokevirtual java.awt.event.HierarchyEvent.getComponent:()Ljava/awt/Component;
            checkcast javax.swing.JButton
            astore 2 /* defaultButton */
        start local 2 // javax.swing.JButton defaultButton
         6: .line 795
            aload 2 /* defaultButton */
            invokestatic javax.swing.SwingUtilities.getRootPane:(Ljava/awt/Component;)Ljavax/swing/JRootPane;
         7: .line 794
            astore 3 /* root */
        start local 3 // javax.swing.JRootPane root
         8: .line 796
            aload 3 /* root */
            ifnull 10
         9: .line 797
            aload 3 /* root */
            aload 2 /* defaultButton */
            invokevirtual javax.swing.JRootPane.setDefaultButton:(Ljavax/swing/JButton;)V
        end local 3 // javax.swing.JRootPane root
        end local 2 // javax.swing.JButton defaultButton
        10: .line 800
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.awt.event.HierarchyEvent e
        end local 0 // javax.swing.plaf.basic.BasicOptionPaneUI$2 this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Ljavax/swing/plaf/basic/BasicOptionPaneUI$2;
            0   11     1              e  Ljava/awt/event/HierarchyEvent;
            6   10     2  defaultButton  Ljavax/swing/JButton;
            8   10     3           root  Ljavax/swing/JRootPane;
    MethodParameters:
      Name  Flags
      e     
}
SourceFile: "BasicOptionPaneUI.java"
EnclosingMethod: javax.swing.plaf.basic.BasicOptionPaneUI.addButtonComponents:(Ljava/awt/Container;[Ljava/lang/Object;I)V
NestHost: javax.swing.plaf.basic.BasicOptionPaneUI
InnerClasses:
  javax.swing.plaf.basic.BasicOptionPaneUI$2