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Easy Learn Java: Programming Articles, Examples and Tips - Page 118


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Can I use system provided random numbers generators when I run my Java program o

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Question: Can I use system provided random numbers generators when I run my Java program on Windows? Not that that provided by SUN?

Answer: The Sun SecureRandom implementation now also makes use of an operating system-provided entropy source on Windows platforms, which can improve the startup time of cryptographic applications considerably. Edit the /lib/security/java.security to control this feature.


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Posted by jalex on Thursday, December 18, 2003 (00:00:00) (2906 reads)

I was testing the new J2RE 1.4.2 for compatibility with our programs (written on

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Question: I was testing the new J2RE 1.4.2 for compatibility with our programs (written on Java 1.2.2 version) and found that the Installation of the J2RE on Windows has changed, with impact on the supported locales...

Answer: Yes, you are right. this is written in release notes for J2RE 1.4.2:
There now is a single installer, which by default installs a runtime with support for European languages if the Windows host system only supports such languages, or a runtime with support for all languages if the Windows host system supports at least one non-European language. Users can request installation of additional languages in a custom setup. For complete information on which locales and encodings are supported with which installation, see:

the Supported Locales
http://java.sun.com/j2se/1.4.2/docs/guide/intl/locale.doc.html

and Supported Encodings documents
http://java.sun.com/j2se/1.4.2/docs/guide/intl/encoding.doc.html

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Posted by jalex on Wednesday, December 17, 2003 (00:00:00) (4070 reads)

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