Tags: china-pub computer OracleThis is a high quality pre-sale recommendation of Computer class OCA Certification Exam Guide (1z0-061) Oracle Database 12c SQL Foundation ". Oracle Certified Master (OCM) 's latest work, the OCA Certification exam official book, covers all OCA
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Http://java.sun.com/javaee/downloads (Java ee 5 SDK Preview (des Sun Java System Application Server PE 9 beta))
The advantages of the Java ee 5 platform: A conversation with distinguished engineer Bill Shannon
By Janice J. Heiss, March 2006
One of the most important tasks for today's aspiring people in the computer industry is to learn Java! So how should Java programmers and Java developers take the test, how should they take the test, and what should they pay attention to during the test?With the rapid development of the IT industry, obtaining authoritative ce
Our site to be HTTPS modified, configured on the purchase of SSL certificate, the browser access is normal, but wrote a Java code with httpcomponents call HTTPS rest interface times wrong:Exception in thread "main" Javax.net.ssl.SSLHandshakeException:sun.security.validator.ValidatorException:PKIX path Building failed:sun.security.provider.certpath.SunCertPathBuilderException:unable to find valid certification
Most commercial Web sites provide site authentication to protect certain limited resources, HTTP protocol and Java EE specification of the WEB site certification process has been detailed definition, common browsers can provide the corresponding interface form to help users complete the site certification process. However, in some cases, we need to write programs
Certification is the process of trying to prove who a user is. For authentication, a user needs to provide some form of identification that the system can understand and trust. The technical terms that we need to understand in this process include:subject--refers to the current operator, which can be a person (user), a third-party program, and any other person or thing that interacts with our application.principals--is a subject attribute, such as use
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