Collection List Set SortedSet NavigableSet Queue Map SortedMap NavigableMap Collection(I): If we want to represent a group of individual objects as a single entity then we should go for collection. Collection interface define the most common methods which are applicable for any collection object. In general collection interface is consider as root interface of collection framework. There is no concrete class which implements collection interface directly Difference between collection and collections Collection is an interface. If we want to represent a group of individual object as a single entity then we should go for collection Collections is an utility class present in java.util package to define several utility method for collection object(like sorting, searching etc) List(I): It is the child interface of collection. If we want to represent a group of individual objects as a single entity where duplicates are allowed and insertion order must be preserved...

Intermediate level Java course lab  I. Introductions Spring Boot is an easy to framework. Here, JPA framework shall be used to store and retrieve data in a relational database. This will be coupled with an in-memory database H2 for the ease of database connectivity. This is important topic for Pivotal Spring Professional Certification for core java training   in Delhi in the current IT industry.  II. Software Tools This lab is provided with the following tools, however any newer versions can be used for accomplishing this lab: Java platform - version 8.151 IntelliJ IDE - version 2017.2.6 Maven for dependency management - version 3 These software tools are most widely used in IT industry for advance java training in Delhi and for java projects. III. Aim The purpose of this lab is to create a simple web application which allows a user to register their information and later retrieve it as well. We are going to achieve this through a RESTful spring boot ...

[A-]   [A+ Being stable, cross-platform, mature, fast and has an enormous selection of mature libraries Java is best suited for software developers however in recent research, java has been the widest ecosystem most diverse and mature. With Upcoming requirement of software industry Hadoop has taken a high position in demand in IT industry. The possible rise of hadoop jobs demand in 2017 as compared with 2016, is due to the rise in Android users in the market, the steady growth of its developer community, and some of the inherit characteristics of Java which makes it worthwhile to learn. After all, Java is a simple, readable programming language used by millions of developers and billions of devices worldwide. Most of Android applications are built in Java and 90 percent of Fortune 500 companies use Java as a server-side language for backend development. Why Java? Easy to learn Object Oriented Programming Language Rich API Powerfu...