Coursera
  • Graduação on-lineExplore bacharelados e mestrados
  • MasterTrack™Ganhe créditos para um mestrado
  • Certificados universitáriosAvance sua carreira com aprendizado de nível de pós-graduação
Encontre carreirasFor EnterprisePara universidades
  • Navegar
  • Os melhores cursos
  • Entrar
  • Inscreva-se gratuitamente
    Coursera
    • Navegar
    • Data Structures And Algorithms

    Filtrar por

    406 resultados referentes a "data structures and algorithms"

    • Placeholder
      IBM Skills Network

      Data Analysis and Visualization Foundations

      Habilidades que você terá: Data Analysis, Data Visualization, Business Analysis, Microsoft Excel, Spreadsheet Software, Data Management, Data Analysis Software, Data Science, Plot (Graphics), Big Data, Databases, NoSQL, Python Programming, SQL, Statistical Programming, Data Visualization Software, Statistical Visualization, Basic Descriptive Statistics, Cloud Computing, Data Mining, Data Structures, Data Warehousing, General Statistics, Machine Learning, Mathematics, Probability & Statistics, Apache, Computer Programming, Extract, Transform, Load, Leadership and Management, Operating Systems, Professional Development, System Programming

      4.7

      (14.4k avaliações)

      Beginner · Specialization · 3-6 Months

    • Placeholder
      Meta

      Meta Front-End Developer

      Habilidades que você terá: Web Development, Front-End Web Development, React (web framework), Javascript, Computer Programming, HTML and CSS, Software Engineering, Software Engineering Tools, Human Computer Interaction, User Experience, Research and Design, User Experience Design, Algorithms, Cloud Computing, Semantic Web, Strategy and Operations, Theoretical Computer Science, Business Psychology, Interactive Design, Programming Principles, Software Testing, Application Development, Big Data, Calculus, Computer Programming Tools, Data Management, Entrepreneurship, Market Research, Mathematics, Operations Research, Project Management, Web Design, Computer Graphics, Design and Product, Graphic Design, Software Framework, Accounting, Algebra, Collaboration, Communication, Computational Logic, Computational Thinking, Computer Architecture, Computer Networking, Computer Science, Data Structures, General Accounting, Hardware Design, Java Programming, Journalism, Leadership and Management, Linux, Marketing, Mathematical Theory & Analysis, Network Architecture, Network Model, Network Security, Operating Systems, Other Web Frameworks, Problem Solving, Python Programming, Search Engine Optimization, Security Engineering, Software Architecture, Statistical Programming, User Research, Visual Design, Web Development Tools

      4.7

      (6.4k avaliações)

      Beginner · Professional Certificate · 3-6 Months

    • Placeholder
      IBM Skills Network

      IBM Applied AI

      Habilidades que você terá: Machine Learning, Cloud Computing, IBM Cloud, Python Programming, Data Analysis, Computer Vision, Computer Programming, Computer Science, Data Structures, Programming Principles, Algebra, Applied Machine Learning, Computational Thinking, Data Science, Statistical Programming, Computer Graphics, Theoretical Computer Science, Computer Graphic Techniques, Deep Learning, Natural Language Processing, Algorithms, Artificial Neural Networks, Machine Learning Software, Basic Descriptive Statistics, Computational Logic, Design and Product, Exploratory Data Analysis, Human Computer Interaction, Interactive Design, Other Web Frameworks, Product Design, Web Development, Application Development, Cloud API, Machine Learning Algorithms, Mathematical Theory & Analysis, Mathematics, Operating Systems, Software Engineering, Software Engineering Tools, Software Testing, Systems Design, Web Development Tools

      4.6

      (42.1k avaliações)

      Beginner · Professional Certificate · 3-6 Months

    • Placeholder
      Meta

      Meta React Native

      Habilidades que você terá: Web Development, React (web framework), Javascript, Software Engineering, Mobile Development, Computer Programming, Front-End Web Development, Mobile Development Tools, HTML and CSS, Human Computer Interaction, Software Engineering Tools, User Experience, Application Development, Computer Programming Tools, Cross Platform Development, Data Management, Databases, Interactive Design, User Experience Design, Web Design, Business Psychology, Computer Graphics, Database Administration, Database Application, Design and Product, Graphic Design, Programming Principles, Research and Design, SQL, Software Architecture, Software Testing, Statistical Programming, Theoretical Computer Science, Accounting, Agile Software Development, Algorithms, Collaboration, Communication, Computational Logic, Computer Architecture, Computer Networking, Data Structures, Entrepreneurship, General Accounting, Hardware Design, Java Programming, Journalism, Leadership and Management, Linux, Mathematical Theory & Analysis, Mathematics, Operating Systems, Operations Research, Other Programming Languages, Other Web Frameworks, Problem Solving, Product Lifecycle, Project Management, Software Framework, Strategy and Operations, User Research, Visual Design

      4.7

      (2.7k avaliações)

      Beginner · Specialization · 3-6 Months

    • Placeholder
      Meta

      Meta iOS Developer

      Habilidades que você terá: Mobile Development, Web Development, Swift Programming, Computer Programming, Software Engineering, Javascript, iOS Development, React (web framework), Programming Principles, Theoretical Computer Science, Human Computer Interaction, Mobile Development Tools, User Experience, Software Engineering Tools, Front-End Web Development, Application Development, Data Management, Data Structures, Algorithms, Research and Design, Computer Programming Tools, Interactive Design, Mathematics, Software Testing, User Experience Design, Android Development, Big Data, Calculus, Communication, Entrepreneurship, Market Research, Operations Research, Strategy and Operations, Business Psychology, Computational Logic, Computer Architecture, Computer Graphics, Design and Product, Graphic Design, Hardware Design, Mathematical Theory & Analysis, Accounting, Algebra, Back-End Web Development, Collaboration, Computational Thinking, Computer Networking, Computer Science, Cross Platform Development, Django (Web Framework), General Accounting, Human Resources, Java Programming, Journalism, Leadership Development, Leadership and Management, Linux, Operating Systems, Other Programming Languages, Planning, Problem Solving, Project Management, Python Programming, Software Architecture, Software Framework, Statistical Programming, Supply Chain and Logistics, User Research, Visual Design, Web Design

      4.7

      (1.9k avaliações)

      Beginner · Professional Certificate · 3-6 Months

    • Placeholder
      Meta

      Meta Android Developer

      Habilidades que você terá: Computer Programming, Web Development, Mobile Development, Software Engineering, Android Development, Javascript, Other Programming Languages, React (web framework), Programming Principles, Application Development, Human Computer Interaction, Software Engineering Tools, Front-End Web Development, Mobile Development Tools, Theoretical Computer Science, User Experience, Research and Design, Algorithms, Computer Programming Tools, Data Management, Interactive Design, Mathematics, Software Testing, User Experience Design, Big Data, Calculus, Entrepreneurship, Market Research, Operations Research, Strategy and Operations, Business Psychology, Computational Logic, Computer Architecture, Computer Graphics, Databases, Design and Product, Django (Web Framework), Graphic Design, Hardware Design, Mathematical Theory & Analysis, SQL, Statistical Programming, Accounting, Algebra, Collaboration, Communication, Computational Thinking, Computer Networking, Computer Science, Cross Platform Development, General Accounting, Java Programming, Journalism, Leadership and Management, Linux, Operating Systems, Problem Solving, Project Management, Python Programming, Software Architecture, Software Framework, User Research, Visual Design, Web Design

      4.7

      (2k avaliações)

      Beginner · Professional Certificate · 3-6 Months

    • Placeholder
      Placeholder
      Google

      Análisis de Datos de Google

      Habilidades que você terá: Data Analysis, Data Management, Business Analysis, Statistical Programming, Databases, Data Visualization, SQL, Entrepreneurship, Research and Design, Sales, Process Analysis, Strategy and Operations, Leadership and Management, Project Management, Marketing, Spreadsheet Software, Probability & Statistics, Microsoft Excel, R Programming, Visualization (Computer Graphics), Big Data, General Statistics, Computer Programming, Theoretical Computer Science, Accounting, Business Development, Financial Analysis, Innovation, Market Research, Scientific Visualization, Communication, Data Structures, Problem Solving, Security Engineering, Business Communication, Computer Graphics, Computer Networking, Network Security, Operating Systems, Plot (Graphics), Programming Principles, System Security, Tableau Software, Data Visualization Software, Database Administration, Interactive Data Visualization, Security Strategy, Strategy, Visual Design, Algorithms, Bioinformatics, Cloud Computing, Computer Architecture, Computer Programming Tools, Conflict Management, Data Analysis Software, Data Model, Database Application, Database Design, Decision Making, Emotional Intelligence, Graphic Design, Human Resources, Network Architecture, Network Model, People Management, Small Data, Software Security, Statistical Analysis, Finance, Journalism, Leadership Development, Mergers & Acquisitions, Software Engineering, Web Development

      4.8

      (3.2k avaliações)

      Beginner · Professional Certificate · 3-6 Months

    • Placeholder
      Placeholder
      Google Cloud

      Preparing for Google Cloud Certification: Cloud Data Engineer

      Habilidades que você terá: Cloud Computing, Computer Architecture, Data Management, Google Cloud Platform, Cloud Platforms, Machine Learning, Big Data, Distributed Computing Architecture, Hardware Design, SQL, Information Technology, Data Science, Apache, Cloud Storage, Extract, Transform, Load, Cloud Engineering, Cloud Management, Databases, Full-Stack Web Development, Python Programming, Web Development, Computer Programming, Statistical Programming, Applied Machine Learning, Computer Science, Computer Networking, Data Analysis, Data Analysis Software, Data Visualization, Data Warehousing, Database Administration, Database Application, Database Theory, Kubernetes, Network Architecture, Operating Systems, Software Framework, System Programming, Theoretical Computer Science, Bayesian Statistics, Business Psychology, Cloud Applications, Cloud Infrastructure, Computational Thinking, Data Architecture, Data Model, Data Structures, Deep Learning, Entrepreneurship, Exploratory Data Analysis, Feature Engineering, General Statistics, Machine Learning Algorithms, Machine Learning Software, Probability & Statistics, Tensorflow

      4.6

      (17.7k avaliações)

      Intermediate · Professional Certificate · 3-6 Months

    • Placeholder
      Placeholder
      Johns Hopkins University

      Data Science

      Habilidades que você terá: R Programming, Data Analysis, Statistical Programming, Data Science, General Statistics, Statistical Analysis, Probability & Statistics, Statistical Tests, Machine Learning, Exploratory Data Analysis, Basic Descriptive Statistics, Machine Learning Software, Linear Algebra, Bayesian Statistics, Correlation And Dependence, Econometrics, Estimation, Regression, Data Visualization Software, Software Visualization, Statistical Visualization, Probability Distribution, Theoretical Computer Science, Data Visualization, Interactive Data Visualization, Natural Language Processing, Plot (Graphics), Big Data, Computer Programming, Computer Programming Tools, Data Structures, Experiment, Machine Learning Algorithms, Software Engineering Tools, Spreadsheet Software, Algorithms, Application Development, Applied Machine Learning, Business Analysis, Data Management, Extract, Transform, Load, Knitr

      4.5

      (49.8k avaliações)

      Beginner · Specialization · 3-6 Months

    • Placeholder
      Placeholder
      Google Cloud

      Data Engineering, Big Data, and Machine Learning on GCP

      Habilidades que você terá: Cloud Computing, Data Management, Computer Architecture, Cloud Platforms, Google Cloud Platform, Big Data, Distributed Computing Architecture, Machine Learning, SQL, Apache, Data Science, Hardware Design, Extract, Transform, Load, Cloud Storage, Full-Stack Web Development, Web Development, Databases, Information Technology, Python Programming, Statistical Programming, Computer Networking, Computer Programming, Data Analysis, Data Analysis Software, Data Visualization, Data Warehousing, Database Administration, Database Application, Database Theory, Kubernetes, Network Architecture, Operating Systems, Software Framework, System Programming, Theoretical Computer Science, Applied Machine Learning, Bayesian Statistics, Business Psychology, Cloud Applications, Cloud Infrastructure, Computational Thinking, Data Architecture, Data Model, Data Structures, Deep Learning, Entrepreneurship, Exploratory Data Analysis, Feature Engineering, General Statistics, Machine Learning Algorithms, Machine Learning Software, Probability & Statistics, Tensorflow

      4.6

      (17.4k avaliações)

      Intermediate · Specialization · 3-6 Months

    • Placeholder
      Placeholder
      DeepLearning.AI

      Neural Networks and Deep Learning

      Habilidades que você terá: Artificial Neural Networks, Deep Learning, Machine Learning, Machine Learning Algorithms, Python Programming, Linear Algebra, Regression, General Statistics, Probability & Statistics, Business Psychology, Computer Programming, Dimensionality Reduction, Entrepreneurship, Feature Engineering, Statistical Programming, Supply Chain Systems, Supply Chain and Logistics, Applied Machine Learning, Mathematics, Statistical Machine Learning, Machine Learning Software, Bayesian Statistics, Statistical Tests, Algebra, Algorithms, Computational Logic, Computer Architecture, Computer Networking, Data Structures, Estimation, Hardware Design, Markov Model, Mathematical Theory & Analysis, Network Model, Theoretical Computer Science

      4.9

      (117.4k avaliações)

      Intermediate · Course · 1-4 Weeks

    • Placeholder
      Placeholder
      Google Cloud

      Preparing for Google Cloud Certification: Machine Learning Engineer

      Habilidades que você terá: Machine Learning, Cloud Computing, Google Cloud Platform, Computer Programming, Cloud Platforms, Statistical Programming, Python Programming, Data Management, Applied Machine Learning, Feature Engineering, Tensorflow, Deep Learning, Entrepreneurship, Probability & Statistics, DevOps, Data Analysis, Big Data, Artificial Neural Networks, Business Psychology, Computer Architecture, Data Visualization, Exploratory Data Analysis, Regression, SQL, Statistical Visualization, Theoretical Computer Science, Data Science, Kubernetes, Apache, Basic Descriptive Statistics, Bayesian Statistics, Computational Thinking, Computer Networking, Data Model, Data Structures, Distributed Computing Architecture, Extract, Transform, Load, General Statistics, Hardware Design, Machine Learning Algorithms, Machine Learning Software, Network Security, Performance Management, Security Engineering, Security Strategy, Statistical Machine Learning, Strategy and Operations, Algorithms, Business Analysis, Cloud Applications, Cloud Infrastructure, Cloud Storage, Data Analysis Software, Data Architecture, Data Warehousing, Database Application, Databases, Dimensionality Reduction, Full-Stack Web Development, Information Technology, Natural Language Processing, Statistical Analysis, Web Development

      4.6

      (25k avaliações)

      Intermediate · Professional Certificate · 3-6 Months

    Pesquisas relacionadas a data structures and algorithms

    data structures and algorithms in python
    data structures and algorithms in java
    data structures and algorithms in c++
    data structures and algorithms (i)
    data structures and algorithms (iii)
    data structures and algorithms (iv)
    data structures and algorithms (ii)
    data science foundations: data structures and algorithms
    1…91011…34

    Em resumo, aqui estão 10 dos nossos cursos mais populares data structures and algorithms

    • Data Analysis and Visualization Foundations: IBM Skills Network
    • Meta Front-End Developer: Meta
    • IBM Applied AI: IBM Skills Network
    • Meta React Native: Meta
    • Meta iOS Developer: Meta
    • Meta Android Developer: Meta
    • Análisis de Datos de Google: Google
    • Preparing for Google Cloud Certification: Cloud Data Engineer: Google Cloud
    • Data Science: Johns Hopkins University
    • Data Engineering, Big Data, and Machine Learning on GCP: Google Cloud

    Habilidades que você pode aprender em Algorithms

    Gráficos (22)
    Otimização Matemática (21)
    Programa De Computador (20)
    Estrutura De Dados (19)
    Resolução De Problemas (19)
    Álgebra (12)
    Visão Computacional (10)
    Matemática Discreta (10)
    Teoria Dos Grafos (10)
    Processamento De Imagens (10)
    Álgebra Linear (10)
    Reforço De Aprendizagem (10)

    Perguntas frequentes sobre Data Structures And Algorithms

    • Data Structures and Algorithms work together to solve computational problems, usually by enabling an algorithm to manipulate data efficiently. The algorithm uses a set of rules (the data) to find the greatest common divisor, with one example being YouTube tracking a user’s activities to display videos relevant to them. Actions such as “liking” or “disliking” a video create data structures that inform the direction of the algorithm, bringing content to users that they are more likely to find engaging.

      In the field of Marketing, Data Structures and Algorithms are commonly used to help organizations determine how to attract an audience to their online content—but they’re also used in the field of healthcare in Medical Algorithms. These are important to learn in order to calculate someone’s BMI, drug dosages, and more.‎

    • Data Structures and Algorithms go together like the tech industry and career opportunities—as long as people are using computers, they’ll both be in abundance. When concepts like running times, binary searches, dynamic programming, and others are nailed down, learners can begin to explore the wide variety of roles available to them. These roles include Platform Engineer, Graphics Engineer, Full-Stack Engineer, Backend Engineer, Product Analyst, Data Scientist, Data Engineer, Big Data Engineer, Data Architect, Application Developer, Mobile Developer, and others that are related.

      A search of “Data Structures and Algorithms” on LinkedIn’s job portal shows roughly 11,500 results in the U.S. alone, with opportunities at large and small tech firms.‎

    • Data Structures and Algorithms courses offered through Coursera equip learners with knowledge in common data structures that are used in various computational problems; typical use cases for certain data structures; principles and methods in the design and implementation of various data structures; and more.

      Lessons on Data Structures and Algorithms are taught by instructors from major universities, including University of California at San Diego and Tsinghua University. Learners can enjoy exploring Data Structures and Algorithms with instructors specializing in Computer Science, Technology, Mathematics, and other disciplines. Course content on Data Structures and Algorithms is delivered via video lectures, hands-on projects, readings, quizzes, and other types of assignments.‎

    • Some of the skills or experience you may need to have before learning data structures and algorithms include coding, some programming concepts, and a basic understanding of Java and Object-Oriented Programming (OOP). If you understand the concept of sorting algorithms, you may already have some skills needed to study the subject. Also, if you have an understanding of basic data structures such as linked lists, queues, matrices, stacks, and trees, you may have some solid skills needed to learn data structures and algorithms.‎

    • The kind of people who are best suited for roles in data structures and algorithms are focused on becoming programmers or software engineers/developers who have an emphasis on applications and scientific performance analysis. They are comfortable thinking outside the box for innovative ways to save a company money by using algorithms to solve problems. These professionals enjoy learning about giving computers the right sets of instructions so that they can skillfully solve very complex problems. They may also enjoy working in roles related to data structures and algorithms because they are energized by wanting to make software run properly and efficiently.‎

    • Learning data structures and algorithms may be right for you if you would like to advance your engineering or data science career. If you would like to learn how to apply basic algorithmic techniques, such as greedy algorithms, binary search, sorting, and dynamic programming to solve programming challenges, then studying the subject may be right for you. Learning data structures and algorithms might benefit you if you’d like to understand how to apply various data structures such as a stack, queue, hash table, priority queue, binary search tree, graph, and string to solve programming challenges, as well. But to understand how to reach a good algorithm, you’ll need to understand how to create a set of good data structures. Studying data sets and algorithms can benefit you if you need to learn how data structures are implemented in different programming languages.‎

    Este conteúdo de Perguntas frequentes foi disponibilizado apenas para fins informativos. Os aprendizes são aconselhados a realizar pesquisas adicionais para garantir que os cursos e outras credenciais buscadas atendam a seus objetivos pessoais, profissionais e financeiros.
    Outros tópicos para explorar
    Placeholder
    Artes e Humanas
    Cursos de 338
    Placeholder
    Negócios
    Cursos de 1095
    Placeholder
    Ciência da Computação
    Cursos de 668
    Placeholder
    Ciência de Dados
    Cursos de 425
    Placeholder
    Tecnologia da informação
    Cursos de 145
    Placeholder
    Saúde
    Cursos de 471
    Placeholder
    Matemática e Lógica
    Cursos de 70
    Placeholder
    Desenvolvimento Pessoal
    Cursos de 137
    Placeholder
    Ciência e Engenharia Física
    Cursos de 413
    Placeholder
    Ciências Sociais
    Cursos de 401
    Placeholder
    Línguas
    Cursos de 150

    Coursera Footer

    Comece ou impulsione sua carreira

    • Analista de dados do Google
    • Certificação profissional de marketing digital e comércio eletrônico do Google
    • Certificação profissional de automação de TI com Python do Google
    • Suporte de TI do Google
    • Gestão de projetos no Google
    • Design de UX no Google
    • Preparação para a Certificação em Google Cloud: Cloud Architect
    • Analista de Cibersegurança da IBM
    • Analista de dados da IBM
    • Engenharia de dados da IBM
    • Ciência de dados da IBM
    • Desenvolvedor de nuvem full stack – IBM
    • Aprendizado de máquina IBM
    • Contabilidade da Intuit
    • Desenvolvedor Front-End da Meta
    • Certificação profissional de desenvolvedor de DeepLearning.AI no TensorFlow
    • Certificado profissional de programador em SAS
    • Inicie sua carreira
    • Prepare-se para uma Certificação
    • Amplie suas qualificações profissionais
    • Como identificar erros de sintaxe do Python
    • Como lidar com exceções do Python
    • Ver todos os tutoriais de programação

    Cursos e certificações populares

    • cursos gratuitos
    • Cursos de inteligência artificial
    • Cursos de Blockchain
    • Cursos de ciência da computação
    • Cursos grátis
    • Cursos de segurança cibernética
    • Cursos de análise de dados
    • Cursos de ciência de dados
    • Cursos de conversação em inglês
    • Cursos de desenvolvimento Web completo
    • Cursos do Google
    • Cursos de recursos humanos
    • Cursos de TI
    • Cursos de aprendizagem de inglês
    • Cursos de Microsoft Excel
    • Cursos de gestão de produtos
    • Cursos de gestão de projetos
    • Cursos de Python
    • Cursos de SQL
    • Certificações ágeis
    • Certificação CAPM
    • Certificação CompTIA A+
    • Certificações de análise de dados
    • Certificações de Scrum Master
    • Veja todos os cursos

    Coleções e artigos populares

    • Cursos on-line gratuitos para terminar em um dia
    • Cursos gratuitos populares
    • Empregos de negócios
    • Empregos de segurança cibernética
    • Empregos de TI para iniciantes
    • Perguntas para entrevista com analista de dados
    • Projetos de análise de dados
    • Como se tornar um analista de dados
    • Como se tornar um gerente de projetos
    • Habilidades de TI
    • Perguntas para entrevista com gerente de projeto
    • Habilidades de programação em Python
    • Pontos fortes e fracos em entrevistas
    • O que faz um analista de dados
    • O que faz um engenheiro de software
    • O que é um engenheiro de dados
    • O que é um cientista de dados
    • O que é um designer de produto
    • O que é um Scrum Master
    • O que é um pesquisador de UX
    • Como obter uma certificação PMP
    • Certificações PMI
    • Certificações populares de segurança cibernética
    • Certificações populares de SQL
    • Ler todos os artigos do Coursera

    Consiga um diploma ou certificado on-line

    • Certificações Profissionais do Google
    • Certificados profissionais
    • Ver todos os certificados
    • Bacharelados
    • Mestrados
    • Graduações em Ciência da Computação
    • Graduações em Ciência de Dados
    • Graduações em negócios e MBA
    • Graduações em análise de dados
    • Graduações em Saúde Pública
    • Graduações em ciências sociais
    • Graduações em gestão
    • Bacharel em Humanas vs Bacharel em Ciências
    • O que é uma licenciatura?
    • 11 bons hábitos de estudo para desenvolver
    • Como escrever uma carta de recomendação
    • 10 empregos em alta que você pode conseguir com um diploma de negócios
    • Um mestrado em Ciência da computação vale a pena?
    • Ver todos os programas de graduação
    • Coursera Índia
    • Coursera RU
    • Coursera México

    Coursera

    • Sobre
    • O que oferecemos
    • Liderança
    • Carreiras
    • Lista de cursos
    • Coursera Plus
    • Certificados profissionais
    • Certificados MasterTrack®
    • Diplomas
    • For Enterprise
    • Para Governos
    • For Campus
    • Seja um parceiro
    • Combate ao Coronavírus

    Comunidade

    • Aprendizes
    • Parceiros
    • Testadores beta
    • Tradutores
    • Blog
    • Tech Blog
    • Centro de ensino

    Mais

    • Imprensa
    • Investidores
    • Termos
    • Privacidade
    • Ajuda
    • Acessibilidade
    • Contato
    • Artigos
    • Diretório
    • Afiliados
    • Declaração sobre escravidão moderna
    Aprenda em qualquer lugar
    Placeholder
    Placeholder
    Placeholder
    © 2023 Coursera Inc. Todos os direitos reservados.
    • Placeholder
    • Placeholder
    • Placeholder
    • Placeholder
    • Placeholder