http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore extends org.bouncycastle.jce.provider.JDKPKCS12KeyStore
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore
  super_class: org.bouncycastle.jce.provider.JDKPKCS12KeyStore
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore this
         0: .line 1544
            aload 0 /* this */
            getstatic org.bouncycastle.jce.provider.JDKPKCS12KeyStore.bcProvider:Ljava/security/Provider;
            getstatic org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore.pbeWithSHAAnd3_KeyTripleDES_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            getstatic org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore.pbewithSHAAnd40BitRC2_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokespecial org.bouncycastle.jce.provider.JDKPKCS12KeyStore.<init>:(Ljava/security/Provider;Lorg/bouncycastle/asn1/DERObjectIdentifier;Lorg/bouncycastle/asn1/DERObjectIdentifier;)V
         1: .line 1545
            return
        end local 0 // org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jce/provider/JDKPKCS12KeyStore$BCPKCS12KeyStore;
}
SourceFile: "JDKPKCS12KeyStore.java"
NestHost: org.bouncycastle.jce.provider.JDKPKCS12KeyStore
InnerClasses:
  public BCPKCS12KeyStore = org.bouncycastle.jce.provider.JDKPKCS12KeyStore$BCPKCS12KeyStore of org.bouncycastle.jce.provider.JDKPKCS12KeyStore