In this post we are going to add some of the CXF features to our existing app that we developed in previous post. These features are : ID Logging Jackson Provider for POJO to JSON conversion Swagger 2 documentation Step 1: Configuration class Create a RestServer class in config package as shown below package org.blog.config;… Read More Enabling CXF goodies in Spring Boot
In this series of guide, we are going to explore writing REST services with Apache CXF using Spring Boot. The project is build using maven. I assume that you already know how to use maven. Step 1 : Adding dependencies for Spring Boot By default you have to inherit the parent pom of spring boot,… Read More Guide : Sprint Boot with Apache CXF for REST services
What is OOPs ? It is Object Oriented Programming. It comprises of Polymorphism Encapsulation Inheritance Abstraction Already lost me ? Now here it is read about OOPs as if you deal with it every day. Let’s take at OOPs from a Corporate world point of view. There is an organization which comprises of several employees… Read More OOPs simply explained
PL/SQL Syntax for reference Basic PL/SQL block DECLARE –variable declarations go here BEGIN –program logic goes here END; Functions – Named pl/sql blocks mainly used for computation and not for write operations. They return value to the caller as defined in function. CREATE OR REPLACE FUNCTION myFunc( arg1_in IN VARCHAR2, arg2_in VARCHAR2) RETURN BOOLEAN AS RETURN true; END;… Read More PL/SQL Cheatsheet
Since Java has introduced lambda, writing code has become a breeze especially when it comes to expressing what you want to computer to do rather than how to do it. The following is a question from Project Euler and is solved using lambdas in Java8. Let d(n) be defined as the sum of proper divisors… Read More Power of declarative syntax of Lambda
Volatile is just another modifier like private , protected etc. It modifies the visibility of the variables and is generally more relevant in thread context. Volatile when used on a variable ensures that every thread that is using it has the latest copy. It is important in multi threaded programming that shared variables which are… Read More Volatile and Synchronized in Java
CAP and ACID are two distinct terms that are used often in database world, where ACID is used to define properties of a database and CAP is actually used to determine distributed systems nature. ACID stands for Atomicity Consistency Isolation Durability Before going into the meaning of these terms one should be fairly aware of… Read More CAP & ACID
A well known folk theorem in computer science is that any program can be transformed into a semantically equivalent program of one procedure containing one switch statement inside a while loop. The transformation involves rewriting the program so that each case of the switch is an elementary operation of the original program followed by an… Read More Procedural Programming with one while and switch cases
Problem Statement : Starting from top to bottom and moving to adjacent numbers below, find the maximum total for triangle. By looking it at the given triangle for few minutes you would see that below is the path having maximum sum i.e. 23. First approach that may pop in one’s mind to solve this problem… Read More Maximum path sum
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