Basics of Cassandra (with Java connectivity)
Apache Cassandra is a free distributed, high performance, scalable fault tolerant post-relational DB system (which follows flat file DB system). Typically this is used when […]
Java
Using JSON, Object Mapper and Model Mapper
Suppose there is one input JSON which is mapped with an Employee.java class as below: package com.test; import java.util.HashMap; import java.util.Map; import javax.annotation.Generated; import com.fasterxml.jackson.annotation.JsonAnyGetter; […]
Copying a file from source to destination in Java
Copying a file is very commonly used in Java programs, though there are no API present to copy/paste a file or directory. But there are […]
HSQLDB Connection using Java
The advantage of HSQLDB is that it supports SQL-92, 2008, 2011 standards and the small DB engine fastens the process. Also it offers In-memory and […]
Configuring Redis Cache with Spring Boot Application
This is the excerpt for your very first post.