Question: Of The Various Phases In Software Development, Which Of The Following Is Usually The Lengthiest?

What are the 7 phases of SDLC?

Mastering the 7 Stages of the System Development Life CyclePlanning Stage.

In any software development project, planning comes first.

Feasibility or Requirements Analysis Stage.

Design and Prototyping Stage.

Software Development Stage.

Software Testing Stage.

Implementation and Integration.

Operations and Maintenance..

What is defect life cycle?

Defect life cycle, also known as Bug Life cycle is the journey of a defect cycle, which a defect goes through during its lifetime. It varies from organization to organization and also from project to project as it is governed by the software testing process and also depends upon the tools used.

What are the 5 phases of system development life cycle?

With all the complex processes involved in software development, it’s easy to forget the fundamental process for a successful software development life cycle (SDLC). The SDLC process includes planning, designing, developing, testing and deploying with ongoing maintenance to create and manage applications efficiently.

Why abstract method should not be declared final?

Question: Why Shouldn’t An Abstract Method Be Declared Final? … Final Abstract Methods Cannot Be Overridden And They Must Be Overridden If A Concrete Class Ever Is To Be Instantiated 3. So Long As The Abstract Method Never Actually Is Used In By Any Other Method, There’s No Problem With Doing This 4.

What is the first step in the system development life cycle?

The first step in the systems development life cycle (SDLC) is Problem/Opportunity Identification. The process of problem identification involves the development of clear, straightforward problem statements that can be linked directly with the specific goals and objectives.

How do you explain system development life cycle?

The system development life cycle is a project management model that defines the stages involved in bringing a project from inception to completion. Software development teams, for example, deploy a variety of systems development life cycle models that include waterfall, spiral and agile processes.

What is a system life cycle?

systematic process, known as a system life cycle, which consists of six stages: feasibility study, system analysis, system design, programming and testing, installation, and operation and maintenance. The first five stages are system development proper, and the last stage is the long-term exploitation.

Can we declare abstract class as private?

If a method of a class is private, you cannot access it outside the current class, not even from the child classes of it. But, incase of an abstract method, you cannot use it from the same class, you need to override it from subclass and use. Therefore, the abstract method cannot be private.

Which tools are used in implementation testing and maintenance?

Lower Case Tools – Lower CASE tools are used in implementation, testing and maintenance. Integrated Case Tools – Integrated CASE tools are helpful in all the stages of SDLC, from Requirement gathering to Testing and documentation.

What is the life cycle of software development?

Software Development Life Cycle is the application of standard business practices to building software applications. It’s typically divided into six to eight steps: Planning, Requirements, Design, Build, Document, Test, Deploy, Maintain.

Is SDLC waterfall or agile?

SDLC is a process whereas Agile is a methodology and they both SDLC vs Agile are very important to be considered where SDLC has different methodologies within it and Agile is one among them. SDLC has different methodologies like Agile, Waterfall, Unified model, V Model, Spiral model etc.

What is the most important phase of SDLC?

Planning and requirement analysis: Requirement Gathering is the most important stage in SDLC. Business analyst and project organizer do client meeting to gather all the requirements of the clients like what to build, who will be the end-user, what is the purpose of the product, etc.

Can abstract class be declared as final?

An abstract class cannot be declared as final. Only abstract class can have abstract methods. A private, final, static method cannot be abstract, as it cannot be overridden in a subclass.

Can we develop a final abstract class?

No, you cannot make an abstract class or method final in Java because the abstract and final are the mutually exclusive concept. … An abstract method must be overridden to be useful and called but when you make the abstract method final it cannot be overridden in Java, hence there would be no way to use that method.

Which methodology is best for software development?

Top 6 Software Development MethodologiesWATERFALL. When it comes to software development, Waterfall is the most traditional and sequential choice. … FEATURE-DRIVEN DEVELOPMENT. An iterative and incremental approach to software development, Feature-Driven Development. … AGILE. … SCRUM. … EXTREME PROGRAMMING. … LEAN.