the java virtual machine specification java se 8 edition java addisonwesley

... starting with the Intel 80 88 and progressing through the 80 286 , 80 386 , and 80 486 The so-called “x86 series” became the basis for the best-selling IBM personal computers (PCs and their clones) ... example may make the significance of this point clear The original IBM-PC was based on the Intel 80 88 chip The 80 88 was, in turn, based on another (earlier) chip by Intel, the 80 86, almost identical ... Programming the JVM 1.4.1 Java: What the JVM Isn’t Java, it must be stressed, is not the same as the Java Virtual Machine, although they were designed together and often are used together The Java programming...

Ngày tải lên: 15/03/2014, 02:20

Ngày tải lên: 23/03/2014, 22:21

... Names 169 Classes 173 8. 1 8. 2 Class Declaration 175 8. 1.1 Class Modifiers 175 8. 1.1.1 abstract Classes 176 8. 1.1.2 final Classes 1 78 8.1.1.3 strictfp Classes 1 78 8.1.2 Generic Classes and Type ... Parameters 1 78 8.1.3 Inner Classes and Enclosing Instances 181 8. 1.4 Superclasses and Subclasses 184 8. 1.5 Superinterfaces 186 8. 1.6 Class Body and Member Declarations 189 Class Members 190 8. 2.1 Examples ... Member Type Declarations 237 8. 5.1 Modifiers 2 38 8.5.2 Static Member Type Declarations 2 38 The Java Language Specification xiv 8. 6 8. 7 8. 8 8. 9 Instance Initializers 2 38 Static Initializers 239 Constructor...

Ngày tải lên: 08/08/2014, 18:22

... Groovy on your Java- intense projects Suppose you have a Java class Car, as shown below, in the src directory Also suppose that you’ve compiled it into the classes directory using javac 2 38 U NIT T ... among the delegates that will respond to the method If there are no takers, the call fails The list of classes given to delegateCallsTo( ) also represents the order of precedence, and the first ... put all these skills together in the next chapter 223 Chapter 15 MOPping Up You’ve seen how to synthesize methods, and in this chapter, you’ll see how to synthesize an entire class Rather than...

Ngày tải lên: 12/08/2014, 23:22

... C++ Because of the As used herein, the phrases Java virtual machine or Java VM” mean a virtual machine for the Java platform Similarly, the phrase Java API” means the API for the Java platform ... author of The Java Virtual Machine Specification, led the Java virtual machine development effort at the time when the JNI was being designed Tim did pioneering work on the virtual machine and ... Java Virtual Machines Attaching Native Threads 83 86 86 87 89 Additional JNI Features 93 8. 1 8. 2 8. 3 8. 4 8. 5...

Ngày tải lên: 13/08/2014, 08:20

... converts the jstring reference, typically represented by the Java virtual machine implementation as a Unicode sequence, into a C string represented in the UTF -8 format If you are certain that the ... java. lang.String instance The newly constructed java. lang.String instance represents the same sequence of Unicode characters as the given UTF -8 C string If the virtual machine cannot allocate the memory needed ... that java. lang.String instances are immutable Most often you pass NULL as the isCopy argument because you not care whether the Java virtual machine returns a copy of the characters in the java. lang.String...

Ngày tải lên: 13/08/2014, 08:20

... than that used by Java/ Java calls inside the Java virtual machine implementation As a result, the virtual machine must perform additional operations to build arguments and set up the stack frame ... in the Java programming language, the virtual machine automatically transfers the control flow to the nearest enclosing try/catch statement that matches the exception type The virtual machine then ... dereferences the object The function call is necessary because it isolates the native code from the internal object representation maintained by the virtual machine implementation The JNI field...

Ngày tải lên: 13/08/2014, 08:20

... Unknown Java Virtual Machines THE INVOCATION INTERFACE The solution is to use run-time dynamic linking to load the particular virtual machine library needed by the application The name of the virtual ... thread models match if the native code uses the same thread model as the Java virtual machine implementation If the Java virtual machine implementation uses native thread support, the native code can ... mapping, the stub function serves two purposes: The stub adapts the native function’s argument passing convention to what is expected by the Java virtual machine The virtual machine expects the native...

Ngày tải lên: 13/08/2014, 08:20

... go into the details of how they load and link classes in the Java virtual machine You can find out more details on class loaders in the paper Dynamic Class Loading in the Java Virtual Machine, ... implementation of the Java virtual machine Rather, it is a native interface that can be supported by every implementation of the Java virtual machine We will further elaborate on this as we describe the JNI ... 9.5.1 Peer Classes in the Java Platform LEVERAGING EXISTING NATIVE LIBRARIES 9.5.1 Peer Classes in the Java Platform The current JDK and Java SDK releases (1.1 and 1.2) use peer classes internally...

Ngày tải lên: 13/08/2014, 08:20

... Depending upon the virtual machine implementation, however, these functions may cause storage allocation and copying Whether these functions in fact copy the array depends upon the virtual machine implementation ... methods must be prelinked with the virtual machine In this case, the virtual machine completes the System.loadLibrary calls without actually loading the library The virtual machine internally maintains ... cause the current thread to block and wait for another thread in the virtual machine Given these restrictions, the virtual machine can temporarily disable garbage collection while giving the...

Ngày tải lên: 13/08/2014, 08:20

... to two Java virtual machine instances In JDK release 1.1, the second argument receives a JNIEnv interface pointer The third argument is reserved, and should be set to NULL The default java. lang.Thread ... for the associated java. lang.Thread instance The java. lang.Thread instance belongs to the default thread group "main" created by the virtual machine implementation In Java SDK release 1.2, the ... passed to the method immediately following the methodID argument The CallMethod function accepts these arguments and passes them to the method that the programmer wishes to invoke 184 Simpo...

Ngày tải lên: 13/08/2014, 08:20

... library that implements the Java virtual machine Parameters vmBuf: pointer to the buffer where the pointer to virtual machine instance will be placed bufLen: nVMs: the length of the buffer a pointer ... JNI_CreateJavaVM JNI_CreateJavaVM Prototype jint JNI_CreateJavaVM(JavaVM **pvm, void **penv, void *vm_args); Description Loads and initializes a virtual machine instance Once the virtual machine ... initialized, the current thread is called the main thread In addition, this function sets the env argument to the JNIEnv interface pointer of the main thread JDK release 1.1 and Java SDK release 1.2...

Ngày tải lên: 13/08/2014, 08:20

... 43, 282 34, 280 SetIntField, 282 setjmp, 97 SetLongArrayRegion, 280 SetLongField, 282 SetObjectArrayElement, 38, 284 SetObjectField, 43, 282 SetShortArrayRegion, 280 SetShortField, 282 SetStaticField, ... 36, 280 SetArrayRegion, SetField, 282 SetBooleanArrayRegion, 280 282 SetByteArrayRegion, 280 SetByteField, 282 SetCharArrayRegion, 280 SetCharField, 282 SetDoubleArrayRegion, 280 SetDoubleField, ... SetStaticField, 285 SetStaticBooleanField, 285 SetStaticByteField, 285 SetStaticCharField, 285 SetStaticDoubleField, 285 SetStaticFloatField, 285 SetStaticIntField, 45, 285 SetStaticLongField, 285 SetStaticObjectField,...

Ngày tải lên: 13/08/2014, 08:20

... a servlet, there is one request per response—a browser asks for a URL, and the servlet container processes the HTTP request and passes HTTPServletRequest and HTTPServletResponse objects to the ... method on the AdvancedPortlet class we’ve written contains the code used to display a form to users when they select the EDIT mode for the portlet They can select the EDIT mode through the user interface ... in Java against the portlet API The Java classes in the portlet API are in the javax.portlet package Each portlet takes a request from the portal container and returns a response The response...

Ngày tải lên: 20/08/2012, 11:54

... 284 0chFM.qxd 7/13/04 12:43 PM Page xviii Introduction readers that they familiarize themselves with the following chapter guide so that they can quickly refer to the subjects they are ... that these chapters are logically ordered, with the more advanced subjects covered only when the basics have been described in detail You will find the source code for the book’s examples on the ... the current user, and we describe the limited but useful facility for persisting user data We discuss the use of a rules engine to govern portlet content decisions Chapter 12: Web Services for...

Ngày tải lên: 05/10/2013, 04:20

... of the key SAX APIs: SAXParserFactory A SAXParserFactory object creates an instance of the parser determined by the system property, javax.xml.parsers.SAXParserFactory SAXParser The SAXParser ... the Packages As discussed in the previous section, the SAX and DOM APIs are defined by XML-DEV group and by the W3C, respectively The libraries that define those APIs are: javax.xml.parsers The ... example, the consumer of the title information is the presentation audience, while the consumer of the type information is the presentation program Normalizing Data In the SAX tutorial, the section...

Ngày tải lên: 16/10/2013, 12:15

... Adds a new Assembly to the inventory database * The assembly is given the name name, and consists of a set * parts specified by parts All elements of the collection parts * must support the Part interface ... Adds a new Assembly to the inventory database * The assembly is given the name name, and consists of a set * parts specified by parts All elements of the collection parts * must support the Part interface ... for the type that the Class object is representing For example, the type of String.class is Class, and the type of Serializable.class is Class This can be used to improve the...

Ngày tải lên: 26/10/2013, 18:15

... this book online! 83 83 84 85 85 86 86 87 88 89 89 90 91 Contents Creating an EJB Object Calling a Method Destroying the EJB Object vii 94 94 94 Summary The Basics of Stateless Session Beans 97 ... 373 374 375 383 385 386 387 387 389 396 397 3 98 3 98 400 401 403 403 404 4 08 4 08 410 411 413 425 426 427 427 4 28 429 434 434 436 437 4 38 440 440 4 48 4 48 450 Contents Chapter 15 J2EE in the Real World: ... Catalog Servlet The Product Base Servlet The Product Detail Servlet The Quote Viewing Servlet The Purchasing Servlet The Servlet Properties Running the Complete E-Commerce System Starting the Business...

Ngày tải lên: 10/12/2013, 07:15

... databases are set up The template is like the class of a Java object, or like a relational database table The slots are like the properties of the JavaBean, or the columns of a table A fact is therefore ... initialized to the given value When the reset command is subsequently issued, the variable may be reset to this same value, depending on the current setting of the reset-globals property There is a ... Jess> (set-reset-globals nil) FALSE Jess> (reset) TRUE Index 14 Jess> ?*x* You can read about the set-reset-globals and the accompanying get-reset-globals function in the Jess function guide 3 .8 Control...

Ngày tải lên: 13/12/2013, 23:15

... 58 JavaServer Pages Technology 58 JavaServer Pages Standard Tag Library 58 JavaServer Faces 58 Java Message Service API 59 Java Transaction ... 86 8 Example: Basic Authentication with a Servlet 87 7 Example: Basic Authentication with JAX-WS 88 5 31 The Java Message Service API 89 3 Overview of the JMS ... for the Java EE Tutorial None Install the tutorial in a directory without spaces in the path java- home Represents the base installation directory for the Java Platform, Standard Edition (Java SE...

Ngày tải lên: 20/01/2014, 04:20