Test case, 3 files, compilation OK, javap used to display class files.
$ more play/demo2/src/*.java
::::::::::::::
play/demo2/src/A.java
::::::::::::::
sealed abstract class A permits C { }
::::::::::::::
play/demo2/src/B.java
::::::::::::::
sealed abstract class B permits C { }
::::::::::::::
play/demo2/src/C.java
::::::::::::::
class C extends B { }
$ ./build/linux-x86_64-server-release/images/jdk/bin/javac -d play/demo2/classes play/demo2/src/*.java
$ for i in $(ls play/demo2/classes/*.class) ; do ./build/linux-x86_64-server-release/images/jdk/bin/javap -v -p $i ; done
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/A.class
Last modified Jul 30, 2019; size 213 bytes
SHA-256 checksum 29dad7fd3236e3f8e381aafb2e5768d0a49e23306afbfc47bbbe39bfac4f09ea
Compiled from "A.java"
final abstract class A
minor version: 0
major version: 58
flags: (0x0430) ACC_FINAL, ACC_SUPER, ACC_ABSTRACT
this_class: #7 // A
super_class: #2 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 2
Constant pool:
#1 = Methodref #2.#3 // java/lang/Object."<init>":()V
#2 = Class #4 // java/lang/Object
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 java/lang/Object
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // A
#8 = Utf8 A
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 A.java
#13 = Utf8 PermittedSubtypes
#14 = Class #15 // C
#15 = Utf8 C
{
A();
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 1: 0
}
SourceFile: "A.java"
PermittedSubtypes:
C
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/B.class
Last modified Jul 30, 2019; size 213 bytes
SHA-256 checksum 2ce3a92c924a6a59f5d14e7c7bd3f80b3bfa4b092b449237bc388b3bae8057fc
Compiled from "B.java"
final abstract class B
minor version: 0
major version: 58
flags: (0x0430) ACC_FINAL, ACC_SUPER, ACC_ABSTRACT
this_class: #7 // B
super_class: #2 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 2
Constant pool:
#1 = Methodref #2.#3 // java/lang/Object."<init>":()V
#2 = Class #4 // java/lang/Object
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 java/lang/Object
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // B
#8 = Utf8 B
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 B.java
#13 = Utf8 PermittedSubtypes
#14 = Class #15 // C
#15 = Utf8 C
{
B();
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 1: 0
}
SourceFile: "B.java"
PermittedSubtypes:
C
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/C.class
Last modified Jul 30, 2019; size 161 bytes
SHA-256 checksum 513ec1291b94119ebf0c5beab95d2f2b8a446c341e3fa20e61d35637b5b8589f
Compiled from "C.java"
final class C extends B
minor version: 0
major version: 58
flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: #7 // C
super_class: #2 // B
interfaces: 0, fields: 0, methods: 1, attributes: 1
Constant pool:
#1 = Methodref #2.#3 // B."<init>":()V
#2 = Class #4 // B
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 B
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // C
#8 = Utf8 C
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 C.java
{
C();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
0: aload_0
1: invokespecial #1 // Method B."<init>":()V
4: return
LineNumberTable:
line 1: 0
}
SourceFile: "C.java"
$
$ more play/demo2/src/*.java
::::::::::::::
play/demo2/src/A.java
::::::::::::::
sealed abstract class A permits C { }
::::::::::::::
play/demo2/src/B.java
::::::::::::::
sealed abstract class B permits C { }
::::::::::::::
play/demo2/src/C.java
::::::::::::::
class C extends B { }
$ ./build/linux-x86_64-server-release/images/jdk/bin/javac -d play/demo2/classes play/demo2/src/*.java
$ for i in $(ls play/demo2/classes/*.class) ; do ./build/linux-x86_64-server-release/images/jdk/bin/javap -v -p $i ; done
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/A.class
Last modified Jul 30, 2019; size 213 bytes
SHA-256 checksum 29dad7fd3236e3f8e381aafb2e5768d0a49e23306afbfc47bbbe39bfac4f09ea
Compiled from "A.java"
final abstract class A
minor version: 0
major version: 58
flags: (0x0430) ACC_FINAL, ACC_SUPER, ACC_ABSTRACT
this_class: #7 // A
super_class: #2 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 2
Constant pool:
#1 = Methodref #2.#3 // java/lang/Object."<init>":()V
#2 = Class #4 // java/lang/Object
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 java/lang/Object
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // A
#8 = Utf8 A
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 A.java
#13 = Utf8 PermittedSubtypes
#14 = Class #15 // C
#15 = Utf8 C
{
A();
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 1: 0
}
SourceFile: "A.java"
PermittedSubtypes:
C
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/B.class
Last modified Jul 30, 2019; size 213 bytes
SHA-256 checksum 2ce3a92c924a6a59f5d14e7c7bd3f80b3bfa4b092b449237bc388b3bae8057fc
Compiled from "B.java"
final abstract class B
minor version: 0
major version: 58
flags: (0x0430) ACC_FINAL, ACC_SUPER, ACC_ABSTRACT
this_class: #7 // B
super_class: #2 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 2
Constant pool:
#1 = Methodref #2.#3 // java/lang/Object."<init>":()V
#2 = Class #4 // java/lang/Object
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 java/lang/Object
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // B
#8 = Utf8 B
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 B.java
#13 = Utf8 PermittedSubtypes
#14 = Class #15 // C
#15 = Utf8 C
{
B();
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 1: 0
}
SourceFile: "B.java"
PermittedSubtypes:
C
Classfile /w/jjg/work/jdk.amber/play/demo2/classes/C.class
Last modified Jul 30, 2019; size 161 bytes
SHA-256 checksum 513ec1291b94119ebf0c5beab95d2f2b8a446c341e3fa20e61d35637b5b8589f
Compiled from "C.java"
final class C extends B
minor version: 0
major version: 58
flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: #7 // C
super_class: #2 // B
interfaces: 0, fields: 0, methods: 1, attributes: 1
Constant pool:
#1 = Methodref #2.#3 // B."<init>":()V
#2 = Class #4 // B
#3 = NameAndType #5:#6 // "<init>":()V
#4 = Utf8 B
#5 = Utf8 <init>
#6 = Utf8 ()V
#7 = Class #8 // C
#8 = Utf8 C
#9 = Utf8 Code
#10 = Utf8 LineNumberTable
#11 = Utf8 SourceFile
#12 = Utf8 C.java
{
C();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
0: aload_0
1: invokespecial #1 // Method B."<init>":()V
4: return
LineNumberTable:
line 1: 0
}
SourceFile: "C.java"
$