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tvd12/VolatileDecode.class

Created August 14, 2021 09:10
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VolatileDecode.class
Classfile /Users/tvd12/tmp/VolatileBooleanExample.class
Last modified Aug 14, 2021; size 1783 bytes
MD5 checksum df4780a626dc6a9221674f383a9459f2
Compiled from "VolatileBooleanExample.java"
public class VolatileBooleanExample
minor version: 0
major version: 52
flags: ACC_PUBLIC, ACC_SUPER
Constant pool:
#1 = Methodref #20.#41 // java/lang/Object."<init>":()V
#2 = Class #42 // java/lang/Thread
#3 = InvokeDynamic #0:#47 // #0:run:(LVolatileBooleanExample;)Ljava/lang/Runnable;
#4 = Methodref #2.#48 // java/lang/Thread."<init>":(Ljava/lang/Runnable;)V
#5 = Methodref #2.#49 // java/lang/Thread.start:()V
#6 = InvokeDynamic #1:#47 // #1:run:(LVolatileBooleanExample;)Ljava/lang/Runnable;
#7 = Methodref #2.#51 // java/lang/Thread.sleep:(J)V
#8 = Class #52 // java/lang/InterruptedException
#9 = Methodref #8.#53 // java/lang/InterruptedException.printStackTrace:()V
#10 = Class #54 // VolatileBooleanExample
#11 = Methodref #10.#41 // VolatileBooleanExample."<init>":()V
#12 = Methodref #10.#55 // VolatileBooleanExample.prepare:()V
#13 = Methodref #10.#49 // VolatileBooleanExample.start:()V
#14 = Methodref #10.#56 // VolatileBooleanExample.sleep:(I)V
#15 = Fieldref #10.#57 // VolatileBooleanExample.active:Z
#16 = Fieldref #58.#59 // java/lang/System.out:Ljava/io/PrintStream;
#17 = String #60 // application started
#18 = Methodref #61.#62 // java/io/PrintStream.println:(Ljava/lang/String;)V
#19 = String #63 // application preparing ...
#20 = Class #64 // java/lang/Object
#21 = Utf8 active
#22 = Utf8 Z
#23 = Utf8 <init>
#24 = Utf8 ()V
#25 = Utf8 Code
#26 = Utf8 LineNumberTable
#27 = Utf8 prepare
#28 = Utf8 Exceptions
#29 = Utf8 start
#30 = Class #65 // java/lang/Exception
#31 = Utf8 sleep
#32 = Utf8 (I)V
#33 = Utf8 StackMapTable
#34 = Class #52 // java/lang/InterruptedException
#35 = Utf8 main
#36 = Utf8 ([Ljava/lang/String;)V
#37 = Utf8 lambda$start$1
#38 = Utf8 lambda$prepare$0
#39 = Utf8 SourceFile
#40 = Utf8 VolatileBooleanExample.java
#41 = NameAndType #23:#24 // "<init>":()V
#42 = Utf8 java/lang/Thread
#43 = Utf8 BootstrapMethods
#44 = MethodHandle #6:#66 // invokestatic java/lang/invoke/LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
#45 = MethodType #24 // ()V
#46 = MethodHandle #7:#67 // invokespecial VolatileBooleanExample.lambda$prepare$0:()V
#47 = NameAndType #68:#69 // run:(LVolatileBooleanExample;)Ljava/lang/Runnable;
#48 = NameAndType #23:#70 // "<init>":(Ljava/lang/Runnable;)V
#49 = NameAndType #29:#24 // start:()V
#50 = MethodHandle #7:#71 // invokespecial VolatileBooleanExample.lambda$start$1:()V
#51 = NameAndType #31:#72 // sleep:(J)V
#52 = Utf8 java/lang/InterruptedException
#53 = NameAndType #73:#24 // printStackTrace:()V
#54 = Utf8 VolatileBooleanExample
#55 = NameAndType #27:#24 // prepare:()V
#56 = NameAndType #31:#32 // sleep:(I)V
#57 = NameAndType #21:#22 // active:Z
#58 = Class #74 // java/lang/System
#59 = NameAndType #75:#76 // out:Ljava/io/PrintStream;
#60 = Utf8 application started
#61 = Class #77 // java/io/PrintStream
#62 = NameAndType #78:#79 // println:(Ljava/lang/String;)V
#63 = Utf8 application preparing ...
#64 = Utf8 java/lang/Object
#65 = Utf8 java/lang/Exception
#66 = Methodref #80.#81 // java/lang/invoke/LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
#67 = Methodref #10.#82 // VolatileBooleanExample.lambda$prepare$0:()V
#68 = Utf8 run
#69 = Utf8 (LVolatileBooleanExample;)Ljava/lang/Runnable;
#70 = Utf8 (Ljava/lang/Runnable;)V
#71 = Methodref #10.#83 // VolatileBooleanExample.lambda$start$1:()V
#72 = Utf8 (J)V
#73 = Utf8 printStackTrace
#74 = Utf8 java/lang/System
#75 = Utf8 out
#76 = Utf8 Ljava/io/PrintStream;
#77 = Utf8 java/io/PrintStream
#78 = Utf8 println
#79 = Utf8 (Ljava/lang/String;)V
#80 = Class #84 // java/lang/invoke/LambdaMetafactory
#81 = NameAndType #85:#89 // metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
#82 = NameAndType #38:#24 // lambda$prepare$0:()V
#83 = NameAndType #37:#24 // lambda$start$1:()V
#84 = Utf8 java/lang/invoke/LambdaMetafactory
#85 = Utf8 metafactory
#86 = Class #91 // java/lang/invoke/MethodHandles$Lookup
#87 = Utf8 Lookup
#88 = Utf8 InnerClasses
#89 = Utf8 (Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
#90 = Class #92 // java/lang/invoke/MethodHandles
#91 = Utf8 java/lang/invoke/MethodHandles$Lookup
#92 = Utf8 java/lang/invoke/MethodHandles
{
private volatile boolean active;
descriptor: Z
flags: ACC_PRIVATE, ACC_VOLATILE
public VolatileBooleanExample();
descriptor: ()V
flags: ACC_PUBLIC
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
public void prepare() throws java.lang.InterruptedException;
descriptor: ()V
flags: ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
0: new #2 // class java/lang/Thread
3: dup
4: aload_0
5: invokedynamic #3, 0 // InvokeDynamic #0:run:(LVolatileBooleanExample;)Ljava/lang/Runnable;
10: invokespecial #4 // Method java/lang/Thread."<init>":(Ljava/lang/Runnable;)V
13: invokevirtual #5 // Method java/lang/Thread.start:()V
16: return
LineNumberTable:
line 6: 0
line 11: 13
line 12: 16
Exceptions:
throws java.lang.InterruptedException
public void start() throws java.lang.Exception;
descriptor: ()V
flags: ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
0: new #2 // class java/lang/Thread
3: dup
4: aload_0
5: invokedynamic #6, 0 // InvokeDynamic #1:run:(LVolatileBooleanExample;)Ljava/lang/Runnable;
10: invokespecial #4 // Method java/lang/Thread."<init>":(Ljava/lang/Runnable;)V
13: invokevirtual #5 // Method java/lang/Thread.start:()V
16: return
LineNumberTable:
line 15: 0
line 19: 13
line 20: 16
Exceptions:
throws java.lang.Exception
private static void sleep(int);
descriptor: (I)V
flags: ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
0: iload_0
1: sipush 1000
4: imul
5: i2l
6: invokestatic #7 // Method java/lang/Thread.sleep:(J)V
9: goto 17
12: astore_1
13: aload_1
14: invokevirtual #9 // Method java/lang/InterruptedException.printStackTrace:()V
17: return
Exception table:
from to target type
0 9 12 Class java/lang/InterruptedException
LineNumberTable:
line 24: 0
line 27: 9
line 25: 12
line 26: 13
line 28: 17
StackMapTable: number_of_entries = 2
frame_type = 76 /* same_locals_1_stack_item */
stack = [ class java/lang/InterruptedException ]
frame_type = 4 /* same */
public static void main(java.lang.String[]) throws java.lang.Exception;
descriptor: ([Ljava/lang/String;)V
flags: ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
0: new #10 // class VolatileBooleanExample
3: dup
4: invokespecial #11 // Method "<init>":()V
7: astore_1
8: aload_1
9: invokevirtual #12 // Method prepare:()V
12: aload_1
13: invokevirtual #13 // Method start:()V
16: bipush 10
18: invokestatic #14 // Method sleep:(I)V
21: return
LineNumberTable:
line 31: 0
line 32: 8
line 33: 12
line 34: 16
line 35: 21
Exceptions:
throws java.lang.Exception
private void lambda$start$1();
descriptor: ()V
flags: ACC_PRIVATE, ACC_SYNTHETIC
Code:
stack=2, locals=1, args_size=1
0: aload_0
1: getfield #15 // Field active:Z
4: ifne 10
7: goto 0
10: getstatic #16 // Field java/lang/System.out:Ljava/io/PrintStream;
13: ldc #17 // String application started
15: invokevirtual #18 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
18: return
LineNumberTable:
line 16: 0
line 17: 10
line 18: 18
StackMapTable: number_of_entries = 2
frame_type = 0 /* same */
frame_type = 9 /* same */
private void lambda$prepare$0();
descriptor: ()V
flags: ACC_PRIVATE, ACC_SYNTHETIC
Code:
stack=2, locals=1, args_size=1
0: getstatic #16 // Field java/lang/System.out:Ljava/io/PrintStream;
3: ldc #19 // String application preparing ...
5: invokevirtual #18 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
8: iconst_3
9: invokestatic #14 // Method sleep:(I)V
12: aload_0
13: iconst_1
14: putfield #15 // Field active:Z
17: return
LineNumberTable:
line 7: 0
line 8: 8
line 9: 12
line 10: 17
}
SourceFile: "VolatileBooleanExample.java"
InnerClasses:
public static final #87= #86 of #90; //Lookup=class java/lang/invoke/MethodHandles$Lookup of class java/lang/invoke/MethodHandles
BootstrapMethods:
0: #44 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
#45 ()V
#46 invokespecial VolatileBooleanExample.lambda$prepare$0:()V
#45 ()V
1: #44 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
#45 ()V
#50 invokespecial VolatileBooleanExample.lambda$start$1:()V
#45 ()V
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