The Java Native InterfaceProgrammer’s Guide and Specification phần 7 pps
The Java Native InterfaceProgrammer’s Guide and Specification phần 7 pps
... are to be passed to the
method immediately following the
methodID argument. The
Call<Type>Method function accepts these arguments and
passes them to the method that the programmer wishes ... va_list that immediately follows the meth-
odID
argument. The CallNonvirtual<Type>MethodV routine
accepts the arguments, and, in turn, passes them to the method
that the...
The Java Native InterfaceProgrammer’s Guide and Specification phần 2 ppsx
... ([Ljava/lang/String;)V
private native nativeMethod ()V
The -s flag informs javap to output JNI descriptor strings rather than types as
they appear in the Java programming language. The
-p flag causes javap to
include ... prints out the existing value of the static field and then
sets the field to a new value. To verify that the field has indeed changed, the pro-
gram prints...
The Java Native InterfaceProgrammer’s Guide and Specification phần 1 ppt
... Evolution of the JNI
The need for Java applications to interoperate with native code has been recog-
nized since the very early days of the Java platform. The first release of the Java
platform, Java ... Because of the
1.
As used herein, the phrases Java virtual machine” or Java VM” mean a virtual machine for the
Java platform. Similarly, the phrase Java API”...
The Java Native InterfaceProgrammer’s Guide and Specification phần 3 docx
... callback from
native code (a native /Java callback) compare with the cost of calling a native
method (a Java/ native call), and with the cost of calling a regular method (a Java/
Java call)?
The answer ... reference and the other for the result returned from the
method call. Next, it obtains the class reference from the object and looks up the
method ID. D...
The Java Native InterfaceProgrammer’s Guide and Specification phần 4 ppt
... with the Java virtual machine. The launcher parses the command line
arguments, loads the virtual machine, and runs Java applications through the invo-
cation interface.
7. 1 Creating the Java ... scheduled.
The thread models match if the native code uses the same thread model as the
Java virtual machine implementation. If the Java virtual machine implement...
The Java Native InterfaceProgrammer’s Guide and Specification phần 5 pdf
... Application and Native Code
A common question when designing a Java application supported by native code
is “What, and how much, should be in native code?” The boundaries between the
native code and the ... in
the Java programming language than to inline native methods defined in C
and C++.
• Keep the code on the native code side minimal. There are compellin...
The Java Native InterfaceProgrammer’s Guide and Specification phần 6 pdf
... language.
12.1.1 Primitive Types
The following table describes the primitive types in the Java programming lan-
guage and the corresponding types in the JNI. Like their counterparts in the Java
programming language, ... characters, and so on, are copied between
the Java virtual machine and native code. Objects, on the other hand, are passed
jni.book Page 155 Thur...
The Java Native InterfaceProgrammer’s Guide and Specification phần 9 doc
... for-
mat. The function begins the translation at offset
start and
places the result in the given buffer
buf. The str reference and
buf buffer must not be NULL.
Note that the
len argument denotes the ... triggers the execution of this function.
The
JNI_OnLoad function returns the JNI version number
required by the native library. If the native library does not
e...
The Java Native InterfaceProgrammer’s Guide and Specification phần 10 pdf
... 105, 2 17
java. lang.reflect.Field, 105, 216
java. lang.reflect.Method, 105, 2 17
java. lang.String
See String
java. lang.Thread
, 48
java. library.path property, 17, 150
Java/ Java call, 58
Java/ native ... 58
Java_ prefix, 22
Java_ VMInitArgs, 251
javac compiler, 11, 14
javah tool, 9, 11, 14
javai.dll, 87
javai.lib, 87
javap tool, 44
JavaVM interface
create, 83
destroy, 86
obt...
PL/SQL User’s Guide and Reference phần 5 ppsx
... EAST
sales
analyze
(IR)
Handling Raised Exceptions
Error Handling 6- 17
EXCEPTION
WHEN OTHERS THEN cannot catch the exception
END;
Handlers in the current block cannot catch the raised exception ... past_due THEN does not handle RAISEd exception
END;
The enclosing block does not handle the raised exception because the declaration of
past_due in the sub-block prevails. Thou...
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