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Schema DTD Schema document is an XML document i.e., the structure of an XML document is specified by another XML document DTDs follow SGML syntax supports variety of data types similar to programming language In DTD everything is treated as text creating...

The spring container finds the beans definition from the XML file and instantiates the bean Using the dependency injection, spring populates all of the properties as specified in the bean definition If the bean implements the BeanNameAware interface,...

The java.util.concurrent package contains a set of synchronized Queue interfaces and classes. Blocking Queue extends Queue with operations that wait for the queue to become nonempty when retrieving an element and for space to become available in the queue...

When we are dealing with stateful session beans we need to store the client conversation of the bean so that it can be available in client’s next request. But when we talk about server it has limited resources. If the conversation of the bean is large...

JAXR is a standard API used to access XML registries from the JAVA platform. An XML registry is a listing of services available on the Web. JAXR provides APIs for the client applications to query the registries, or publish their own information in them...

SOAP is an XML-based protocol that enables software components and applications to communicate with one another. It defines rules to translate application and platform-specific data into the XML format. SOAP allows you to communicate with the Web Service...

There are four scope which an object can have in a JSP page:- Page Scope Objects with page scope are accessible only within the page. Data only is valid for the current response. Once the response is sent back to the browser then data is no more valid....

A transaction is proper if it fulfils ACID properties. These four properties are as below:- Atomicity: - This rule states if one part of the transaction fails then the entire transaction should fail. Consistency: - This rule states that only valid data...

Page directive is used to define page attributes the JSP file. Below is a sample of the same:- To summarize some of the important page attributes:- Import: - Comma separated list of packages or classes, just like import statements in usual Java code....

Following are the implicit EL (Expression Language) objects:- Page Context: The context for the JSP page. Provides access to various objects for instance:- servletContext: The context for the JSP page's servlet and any web components contained in the...