关于访问标识

 

 

Table 4.1. Class access and property modifiers

Flag Name	Value	Interpretation
ACC_PUBLIC	0x0001	Declared public; may be accessed from outside its package.
ACC_FINAL	0x0010	Declared final; no subclasses allowed.
ACC_SUPER	0x0020	Treat superclass methods specially when invoked by the invokespecialinstruction.
ACC_INTERFACE	0x0200	Is an interface, not a class.
ACC_ABSTRACT	0x0400	Declared abstract; must not be instantiated.
ACC_SYNTHETIC	0x1000	Declared synthetic; not present in the source code.
ACC_ANNOTATION	0x2000	Declared as an annotation type.
ACC_ENUM	0x4000	Declared as an enum type.

 如果设置了ACC_INTERFACE，必须设置ACC_ABSTRACT

 如果设置了ACC_ANNOTATION必须设置ACC_INTERFACE 

 

Table 4.4. Field access and property flags

Flag Name	Value	Interpretation
ACC_PUBLIC	0x0001	Declared public; may be accessed from outside its package.
ACC_PRIVATE	0x0002	Declared private; usable only within the defining class.
ACC_PROTECTED	0x0004	Declared protected; may be accessed within subclasses.
ACC_STATIC	0x0008	Declared static.
ACC_FINAL	0x0010	Declared final; never directly assigned to after object construction (JLS §17.5).
ACC_VOLATILE	0x0040	Declared volatile; cannot be cached.
ACC_TRANSIENT	0x0080	Declared transient; not written or read by a persistent object manager.
ACC_SYNTHETIC	0x1000	Declared synthetic; not present in the source code.
ACC_ENUM	0x4000	Declared as an element of an enum.

 

 

Table 4.5. Method access and property flags

Flag Name	Value	Interpretation
ACC_PUBLIC	0x0001	Declared public; may be accessed from outside its package.
ACC_PRIVATE	0x0002	Declared private; accessible only within the defining class.
ACC_PROTECTED	0x0004	Declared protected; may be accessed within subclasses.
ACC_STATIC	0x0008	Declared static.
ACC_FINAL	0x0010	Declared final; must not be overridden (§5.4.5).
ACC_SYNCHRONIZED	0x0020	Declared synchronized; invocation is wrapped by a monitor use.
ACC_BRIDGE	0x0040	A bridge method, generated by the compiler.
ACC_VARARGS	0x0080	Declared with variable number of arguments.
ACC_NATIVE	0x0100	Declared native; implemented in a language other than Java.
ACC_ABSTRACT	0x0400	Declared abstract; no implementation is provided.
ACC_STRICT	0x0800	Declared strictfp; floating-point mode is FP-strict.
ACC_SYNTHETIC	0x1000	Declared synthetic; not present in the source code.

 

 

Table 4.8. Nested class access and property flags

Flag Name	Value	Interpretation
ACC_PUBLIC	0x0001	Marked or implicitly public in source.
ACC_PRIVATE	0x0002	Marked private in source.
ACC_PROTECTED	0x0004	Marked protected in source.
ACC_STATIC	0x0008	Marked or implicitly static in source.
ACC_FINAL	0x0010	Marked final in source.
ACC_INTERFACE	0x0200	Was an interface in source.
ACC_ABSTRACT	0x0400	Marked or implicitly abstract in source.
ACC_SYNTHETIC	0x1000	Declared synthetic; not present in the source code.
ACC_ANNOTATION	0x2000	Declared as an annotation type.
ACC_ENUM	0x4000	Declared as an enum type.

编号都是按如下进行统一编号：

0x0001=ACC_PUBLIC

0x0002=ACC_PRIVATE

0x0004=ACC_PROTECTED

0x0008=ACC_STATIC

0x0010=ACC_FINAL

0x0020=ACC_SUPER(class)/ACC_SYNCHRONIZED(method)

0x0040=ACC_BRIDGE(method)/ACC_VOLATILE(field)

0x0080=ACC_VARARGS(method)/ACC_TRANSIENT(field)

0x0100=ACC_NATIVE

0x0200=ACC_INTERFACE

0x0400=ACC_ABSTRACT

0x0800=ACC_STRICT

0x1000=ACC_SYNTHETIC

0x2000=ACC_ANNOTATION

0x4000=ACC_ENUM