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java-interview-questions-answers

Showing a Subset of Display Attributes in the Drop-down List with Combo box List of Values

Combo box List of Values (inputComboboxListOfValues) is supposed to be a very popular ADF Faces component for working with LOVs. Frankly speaking, this is my favorite approach when ...
java-interview-questions-answers

User sessions, Data controls and AM pooling

Recently I was asked an interesting question about application module pooling. As we know AM pool contains application module instances referenced by user sessions, which allows a session ...
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Using Java API for WebSockets in JDeveloper 12.1.3

Introduction The latest release of JDeveloper 12c (12.1.3.0) along with WebLogic Server 12.1.3 came up with some new Java EE 7 features. One of them is support of JSR 356 Java API for ...
java-interview-questions-answers

Really Dynamic Declarative Components

In this short post I am going to focus on ADF dynamic declarative components. I mean a well known ADF tag af:declarativeComponent. It can be used as a pretty convenient way to design ...
java-interview-questions-answers

ADF: Popup, Dialog and Input Components

In this post I would like to focus on a very common use case when we have af:popup containing af:dialog with input components inside. There are a couple of pitfalls that we need to ...
java-interview-questions-answers

Smart Auto-PPR Change Event Policy

There is a common belief among ADF developers that setting the iterator binding change event policy to ppr  is not a good thing in terms of performance because this policy forces ...
java-interview-questions-answers

Working with the Array Data Type in a Table

In this post I would like to follow up on my previous article about Oracle collection data types and I am going to focus on working with oracle.jbo.domain.Array attributes in af:table ...
java-interview-questions-answers

ADF Faces. Immediate custom client events

In this post I am going to focus on ADF Faces Javascript API method to fire a custom event from the client side. For example:                      ...
java-interview-questions-answers

ADF: URL Task Flow Call with HTTP POST Method

As we know a bounded task flow can be invoked by some URL either directly from a browser or from some external application. This feature is enabled if task flow’s property “URL ...
java-interview-questions-answers

Passivation and Activation of View Objects with Transient Attributes

Within passivation/activation cycle of application modules the framework passivates and activates view objects as well. Usually the framework saves information about VO’s state, ...
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