BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  What does "native executable" means?          BorlandTalk.com Forum Index -> JBuilder Compiler View previous topic :: View next topic   Author Message Guangzong Zhuo Guest Posted: Tue Apr 12, 2005 5:56 pm    Post subject: What does "native executable" means? It is said that JBuilder Developer edition and Enterprise edtion have the feature called "native executable". What does it mean? Does it mean that we could create standalone executable application (independent of Java virtual machine) using JBuilder Developer edition or Enterprise edtion, the executable application is an .EXE file with machine codes inside like what we do with C++ compiler? If this is true, what don't we compile Java program to native executable? That will be faster in running than using byte code. Thanks for your help in advance. Guang Back to top Kevin Dean [TeamB] Guest Posted: Tue Apr 12, 2005 8:46 pm    Post subject: Re: What does "native executable" means? Guangzong Zhuo wrote: Quote: It is said that JBuilder Developer edition and Enterprise edtion have the feature called "native executable". What does it mean? It means that JBuilder can build a .EXE file that you can run directly rather than call the program through the Java command-line. Quote: Does it mean that we could create standalone executable application (independent of Java virtual machine) using JBuilder Developer edition or Enterprise edtion, the executable application is an .EXE file with machine codes inside like what we do with C++ compiler? No. The native executable is only an executable stub followed by the byte-code JAR file. The stub locates the Java installation and requires the JVM to run. Quote: If this is true, what don't we compile Java program to native executable? That will be faster in running than using byte code. Java's byte code is pretty fast, thanks to the HotSpot optimizer. -- Kevin Dean [TeamB] Dolphin Data Development Ltd. http://www.datadevelopment.com/ NEW WHITEPAPERS Team Development with JBuilder and Borland Enterprise Server Securing Borland Enterprise Server http://www.datadevelopment.com/papers/index.html Please see Borland's newsgroup guidelines at http://info.borland.com/newsgroups/guide.html Back to top Guang Guest Posted: Wed Apr 13, 2005 6:36 pm    Post subject: Re: What does "native executable" means? Thanks, Kevin Dean. Guang "Kevin Dean [TeamB]" <NkOdSePaAnM (AT) datadevelopment (DOT) com> wrote Quote: Guangzong Zhuo wrote: It is said that JBuilder Developer edition and Enterprise edtion have the feature called "native executable". What does it mean? It means that JBuilder can build a .EXE file that you can run directly rather than call the program through the Java command-line. Does it mean that we could create standalone executable application (independent of Java virtual machine) using JBuilder Developer edition or Enterprise edtion, the executable application is an .EXE file with machine codes inside like what we do with C++ compiler? No. The native executable is only an executable stub followed by the byte-code JAR file. The stub locates the Java installation and requires the JVM to run. If this is true, what don't we compile Java program to native executable? That will be faster in running than using byte code. Java's byte code is pretty fast, thanks to the HotSpot optimizer. -- Kevin Dean [TeamB] Dolphin Data Development Ltd. http://www.datadevelopment.com/ NEW WHITEPAPERS Team Development with JBuilder and Borland Enterprise Server Securing Borland Enterprise Server http://www.datadevelopment.com/papers/index.html Please see Borland's newsgroup guidelines at http://info.borland.com/newsgroups/guide.html Back to top BK Guest Posted: Fri Apr 22, 2005 11:49 pm    Post subject: Re: What does "native executable" means? It's a misleading term because it implies it is compiled to native machine instructions and you don't need the JVM to run it. "Binary Batch File" would be a better description of what it is. "Guangzong Zhuo" <zhuoguangzong (AT) sympatico (DOT) ca> wrote Quote: It is said that JBuilder Developer edition and Enterprise edtion have the feature called "native executable". What does it mean? Does it mean that we could create standalone executable application (independent of Java virtual machine) using JBuilder Developer edition or Enterprise edtion, the executable application is an .EXE file with machine codes inside like what we do with C++ compiler? If this is true, what don't we compile Java program to native executable? That will be faster in running than using byte code. Thanks for your help in advance. 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