Java Technology Update

What is SonarQube? •        Sonar is a web based code quality analysis tool for Maven based Java projects. It covers a wide area of code quality check points which include: Architecture & Design, Complexity, Duplications, Coding Rules, Potential Bugs, Unit Test etc. Why use SonarQube? •        Sonar covers the 7 sections of code quality Architecture and Design •        Unit tests •        Duplicated code •        Potential bugs •        Complex code •        Coding standards •        Comments What is role of database in SonarQube? •        Sonar uses a Derby or H2 as default database. When running Sonar, it says that these databases may only be used for evaluation. We can change this defau...

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project manager Round interview Please put some light on this questions and give answer .. 1.scenario:suppose one user using user application by opening in 10 different taps in window.how you will restrict to not do 2.how you will fing how many user using your application? 3.If client ask you to change some module  what you will do? 4.how will you deploy ur project? 5.Diffent phases in delivering project during developement and maintance 6.What are the challenges/difficulties facing in your project..?

What does it mean by auto configuration by spring boot ? Spring boot automatically configure bean if its corresponding library in classpath, for example if JdbcTemplate is in classpath then spring boot will configure JdbcTemplate and will create a bean that can be injected directly where its required. What is starter dependency in spring boot ? Starter dependency is aggregation of common dependency that are available during build for example if we are creating a web project that exposes REST API then we require spring web , spring mvc, tomcat, jackson etc.but spring boot provides web starter that has all in single dependency.If we add all dependency individually then we need to maintain all compatible version of library but using spring boot starter we get complete package that maintains all compatible version. What is the benefit of spring boot Command line interface (CLI) ? When we write code in spring boot CLI and use any Object or type then spring boot CLI detects start...

1) What is Spring Boot? Spring Boot is a Spring module which provides RAD (Rapid Application Development) feature to Spring framework. It is used to create stand alone spring based application that you can just run because it needs very little spring configuration. For more information  click here. 2) What are the advantages of Spring Boot? o     Create stand-alone Spring applications that can be started using java -jar. o     Embed Tomcat, Jetty or Undertow directly. You don't need to deploy WAR files. o     It provides opinionated 'starter' POMs to simplify your Maven configuration. o     It automatically configure Spring whenever possible. For more information  click here. 3) What are the features of Spring Boot? o     Web Development o     SpringApplication o     Application events and listeners o     Admin features For mo...