SCJP Certification

Sun Certified Java Programmer Certification exam essentials

Archive for the ‘Java Facts’ Category

September 3rd, 2011

What is agrregation?

No Comments, Java Facts, by Daisy Williams.

Aggregation is a type of association that specifies a whole/part relationship between the aggregate (whole) and a component part. It…

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September 1st, 2011

What is composition?

No Comments, Java Facts, by Daisy Williams.

When one object is responsible for the lifecycle management of another object, this relationship is known as composition. Composition represents…

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July 3rd, 2011

What are the limitations of enterprise beans?

No Comments, Java Facts, by Daisy Williams.

Enterprise beans use the services provided by the EJB container. However, in order to avoid conflicts with these services, the…

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December 9th, 2010

What is method overloading?

No Comments, Java Facts, SCBCD, by Daisy Williams.

Method overloading is a feature that allows a programmer to implement polymorphism in Java. In method overloading, the name of…

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December 2nd, 2010

What are the functions of transfer object?

No Comments, Java Facts, SCWCD, by Daisy Williams.

The functions of a Transfer Object are as follows: It reduces network traffic by aggregating fine-grained remote objects and representing…

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December 1st, 2010

What are the functions of business delegate?

No Comments, Java Facts, SCWCD, by Daisy Williams.

The functions of a Business Delegate are as follows: It hides the implementation details of a business service, such as…

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November 30th, 2010

What is an intercepting filter?

No Comments, Java Facts, SCWCD, by Daisy Williams.

An intercepting filter is a pluggable component that is used to modify incoming requests from a client to a servlet…

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October 10th, 2010

How to define methods with variable argument lists?

No Comments, Java Facts, SCBCD, by Daisy Williams.

Java allows a method to take a variable number of arguments. This capability is referred to as var-args, varargs variable…

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