JAXB annotations in Java is a way of notifying JVM to do on behalf of developer. different type of Annotations used in JAXB API the annotation as @XmlRootElement, @XmlType, @XmLElementWrapper, @XmlAttribute, @XmlAccessorType @XmlJavaTypeAdapter
Learn step-by-step JAXB example Java. Minimum annotation to understand JAXB 2.0 for new learner, hello word JAXB example first JAXB example.
What is JAXB in Java? JAXB: Java Architecture for XML Binding to convert java object to XML and XML to java object. Learn Features of JAXB, advantages of JAXB.
Learn, what is BTree data structure or binary tree data structure? how to use BTree? properties of a binary tree, algorithm to insert Btree. the basic building block of BTree/binary tree data structure.
Why we need MongoDB role based access control? Why you required either role based or user based access privilege, it’s for better manageability.
Built-in User Roles in mongoDB used for granding user for priviledges for authentication and authorization of database user in MongoDB.
mongod.conf YAML or mongod.conf YML is a configuration file in mongoDB, which is being used to provide configuration seetting by MongoDB DBA and read by mongodb database engine while startup.
Learn how to get MongoDB collection data size, storage data size MongoDB collection using db.collection.stats(). Get Document size of MongoDB using Object.bsonsize({}), MognoDB collection index size using db.collection.stats(), different aspects of it so learn step by step.
MongoDB slow query log profiling is easy using db.setProfilingLevel(). Enable slow query log mongoDB Profiling for logging for slow query with your threshlold time.
Learn sorting of Array in Java using java.util.Arrays class. Sorting of Object array, sorting of String array, sorting of int array, sorting of double array etc.