Ankur Jain, Author at TechSupper

Secure RESTFul API using OAuth2 : Spring

This blog is the extension of my previous blog in which we have explained how to develop RESTFul APIs using Spring and Hibernate. This time is to implement OAuth 2 in […]

RESTFul API in Spring MVC : CRUD Operation

REST stands for Representational State Transfer. It’s an is an architectural style which can be used to design web services, that can be consumed from a variety of clients. The […]

Oracle Service Bus : Insert operation using Database Adapter

In the previous article, I have demonstrated how to perform select operation on the database using DB adapter. Now it’s time to perform insert operation on the database. It’s required […]

What is WSDL and difference between abstract and concrete WSDL

An official W3C standard, the Web Services Description Language (WSDL) is an XML language for describing web services. WSDL 1.1 (which is still in wide use) has five major elements–types, […]

How to increase heap size of the integrated server in JDeveloper 12c

Sometimes there may be a need to increase the heap size of the integrated weblogic server within JDeveloper. Obviously one can modify the setDomainEnv file in the domain’s bin directory. […]

Increasing the Java Heap size for a Admin Server & managed server in Weblogic

For better performance, we may need to increase the heap size for each Managed Server in our environment. As per performance tuning guidelines it is good practice to start Admin […]

Prototype Design Pattern

In the prototype pattern, a new object is created by cloning an existing object. The prototype pattern can be a useful way of creating copies of objects. One example of […]

Factory Method Pattern

A Factory Pattern or Factory Method Pattern says that just define an interface or abstract class for creating an object but let the subclasses decide which class to instantiate. In […]

Singleton design pattern in java

Singleton Pattern says that just”define a class that has only one instance and provides a global point of access to it“. In other words, a class must ensure that only […]

Design Patterns in java

Design Patterns are very popular among software developers. A design pattern is a well described solution to a common software problem. Sensible use of design patterns results in increased code […]

OSB 12c step by step installation

In the series of blogs, we are gonna to look step by step instructions on how to setup OSB 12c on the linux/unix machine There are some prerequisites that you […]

This blog provides instructions of how to configure a OSB domain by using the configuration wizard. 1) To begin the domain configuration, navigate to the ORACLE_HOME/oracle_common/common/bin directory and start the WebLogic […]

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