What is comment ?

In an XML document, text that is ignored unless the parser is specifically told to recognize it. In advanced Java, as well as in any programming language, a comment is a piece of text that is not executed by the compiler or interpreter. Comments are added to the source code to provide explanations, document the … Read more

What is client-certificate authentication ?

An authentication mechanism that uses HTTP over SSL, in which the server and, optionally, the client authenticate each other with a public key certificate that conforms to a standard that is defined by X.509 Public Key Infrastructure. Client-certificate authentication is a method of authentication where a client (such as a web browser or another application) … Read more

What is certificate authority ?

A trusted organization that issues public key certificates and provides identification to the bearer. In the context of Advanced Java and security, a Certificate Authority (CA) is a trusted entity that issues digital certificates. Digital certificates are electronic documents that verify the identity of individuals, servers, or other entities on a network. The CA plays … Read more

What is CDATA

A predefined XML tag for character data that means “don’t interpret these characters,” as opposed to parsed character data (PCDATA), in which the normal rules of XML syntax apply. CDATA sections are typically used to show examples of XML syntax. In the context of advanced Java or XML (eXtensible Markup Language), CDATA stands for Character … Read more

What is cascade delete ?

A deletion that triggers another deletion. A cascade delete can be specified for an entity bean that has container-managed persistence. In the context of databases and Java Persistence (JPA), cascade delete refers to the automatic deletion of related records in a database when the primary record is deleted. This feature is often used to maintain … Read more