Microsoft Windows [版本 10.0.18362.657]
(c) 2019 Microsoft Corporation。保留所有权利。
D:大家保险同事pdmmaker>cd bin/com/sinosoft/test/
D:大家保险同事pdmmakerincomsinosoft est>javap
用法: javap <options> <classes>
其中, 可能的选项包括:
-help --help -? 输出此用法消息
-version 版本信息
-v -verbose 输出附加信息
-l 输出行号和本地变量表
-public 仅显示公共类和成员
-protected 显示受保护的/公共类和成员
-package 显示程序包/受保护的/公共类
和成员 (默认)
-p -private 显示所有类和成员
-c 对代码进行反汇编
-s 输出内部类型签名
-sysinfo 显示正在处理的类的
系统信息 (路径, 大小, 日期, MD5 散列)
-constants 显示最终常量
-classpath <path> 指定查找用户类文件的位置
-cp <path> 指定查找用户类文件的位置
-bootclasspath <path> 覆盖引导类文件的位置
D:大家保险同事pdmmakerincomsinosoft est>javap -v
错误: 未指定类
D:大家保险同事pdmmakerincomsinosoft est>javap -v -p SingletonTest$1.class
Classfile /D:/大家保险/同事/李红英/pdmmaker/bin/com/sinosoft/test/SingletonTest$1.class
Last modified 2020-8-26; size 1076 bytes
MD5 checksum 2748df6156ebaa89d32330fa3c46ae41
Compiled from "SingletonTest.java"
final class com.sinosoft.test.SingletonTest$1 implements java.lang.Runnable
minor version: 0
major version: 52
flags: ACC_FINAL, ACC_SUPER
Constant pool:
#1 = Methodref #12.#30 // java/lang/Object."<init>":()V
#2 = Methodref #31.#32 // com/sinosoft/test/LazySingleton.getInstance:()Lcom/sinosoft/test/LazySingleton;
#3 = Fieldref #33.#34 // java/lang/System.out:Ljava/io/PrintStream;
#4 = Class #35 // java/lang/StringBuilder
#5 = Methodref #4.#30 // java/lang/StringBuilder."<init>":()V
#6 = String #36 // ============
#7 = Methodref #4.#37 // java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
#8 = Methodref #4.#38 // java/lang/StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
#9 = Methodref #4.#39 // java/lang/StringBuilder.toString:()Ljava/lang/String;
#10 = Methodref #40.#41 // java/io/PrintStream.println:(Ljava/lang/String;)V
#11 = Class #42 // com/sinosoft/test/SingletonTest$1
#12 = Class #43 // java/lang/Object
#13 = Class #44 // java/lang/Runnable
#14 = Utf8 <init>
#15 = Utf8 ()V
#16 = Utf8 Code
#17 = Utf8 LineNumberTable
#18 = Utf8 LocalVariableTable
#19 = Utf8 this
#20 = Utf8 InnerClasses
#21 = Utf8 Lcom/sinosoft/test/SingletonTest$1;
#22 = Utf8 run
#23 = Utf8 lazySingleton
#24 = Utf8 Lcom/sinosoft/test/LazySingleton;
#25 = Utf8 SourceFile
#26 = Utf8 SingletonTest.java
#27 = Utf8 EnclosingMethod
#28 = Class #45 // com/sinosoft/test/SingletonTest
#29 = NameAndType #46:#47 // main:([Ljava/lang/String;)V
#30 = NameAndType #14:#15 // "<init>":()V
#31 = Class #48 // com/sinosoft/test/LazySingleton
#32 = NameAndType #49:#50 // getInstance:()Lcom/sinosoft/test/LazySingleton;
#33 = Class #51 // java/lang/System
#34 = NameAndType #52:#53 // out:Ljava/io/PrintStream;
#35 = Utf8 java/lang/StringBuilder
#36 = Utf8 ============
#37 = NameAndType #54:#55 // append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
#38 = NameAndType #54:#56 // append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
#39 = NameAndType #57:#58 // toString:()Ljava/lang/String;
#40 = Class #59 // java/io/PrintStream
#41 = NameAndType #60:#61 // println:(Ljava/lang/String;)V
#42 = Utf8 com/sinosoft/test/SingletonTest$1
#43 = Utf8 java/lang/Object
#44 = Utf8 java/lang/Runnable
#45 = Utf8 com/sinosoft/test/SingletonTest
#46 = Utf8 main
#47 = Utf8 ([Ljava/lang/String;)V
#48 = Utf8 com/sinosoft/test/LazySingleton
#49 = Utf8 getInstance
#50 = Utf8 ()Lcom/sinosoft/test/LazySingleton;
#51 = Utf8 java/lang/System
#52 = Utf8 out
#53 = Utf8 Ljava/io/PrintStream;
#54 = Utf8 append
#55 = Utf8 (Ljava/lang/String;)Ljava/lang/StringBuilder;
#56 = Utf8 (Ljava/lang/Object;)Ljava/lang/StringBuilder;
#57 = Utf8 toString
#58 = Utf8 ()Ljava/lang/String;
#59 = Utf8 java/io/PrintStream
#60 = Utf8 println
#61 = Utf8 (Ljava/lang/String;)V
{
com.sinosoft.test.SingletonTest$1();
descriptor: ()V
flags:
Code:
stack=1, locals=1, args_size=1
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: return
LineNumberTable:
line 17: 0
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this Lcom/sinosoft/test/SingletonTest$1;
public void run();
descriptor: ()V
flags: ACC_PUBLIC
Code:
stack=3, locals=2, args_size=1
0: invokestatic #2 // Method com/sinosoft/test/LazySingleton.getInstance:()Lcom/sinosoft/test/LazySingleton;
3: astore_1
4: getstatic #3 // Field java/lang/System.out:Ljava/io/PrintStream;
7: new #4 // class java/lang/StringBuilder
10: dup
11: invokespecial #5 // Method java/lang/StringBuilder."<init>":()V
14: ldc #6 // String ============
16: invokevirtual #7 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
19: aload_1
20: invokevirtual #8 // Method java/lang/StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
23: invokevirtual #9 // Method java/lang/StringBuilder.toString:()Ljava/lang/String;
26: invokevirtual #10 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
29: return
LineNumberTable:
line 20: 0
line 22: 4
line 23: 29
LocalVariableTable:
Start Length Slot Name Signature
0 30 0 this Lcom/sinosoft/test/SingletonTest$1;
4 26 1 lazySingleton Lcom/sinosoft/test/LazySingleton;
}
SourceFile: "SingletonTest.java"
EnclosingMethod: #28.#29 // com.sinosoft.test.SingletonTest.main
InnerClasses:
static #11; //class com/sinosoft/test/SingletonTest$1