UrbanPro

Learn Java Training from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

How do I fetch data from a database in Java and display it in JSP?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

As an experienced Java tutor registered on UrbanPro.com, I understand the importance of fetching data from a database and displaying it in JSP for Java web development. II. Overview of the Process Fetching data from a database in Java and displaying it in JSP involves several steps, including database...
read more
  • As an experienced Java tutor registered on UrbanPro.com, I understand the importance of fetching data from a database and displaying it in JSP for Java web development.

II. Overview of the Process

  • Fetching data from a database in Java and displaying it in JSP involves several steps, including database connectivity, querying, and presenting the data on the user interface.

III. Database Connectivity

  • Establish a database connection using JDBC (Java Database Connectivity).
  • Load the JDBC driver specific to your database.
  • Create a connection to the database using DriverManager.
java
// Example of establishing a database connection String url = "jdbc:mysql://localhost:3306/your_database"; String username = "your_username"; String password = "your_password"; Connection connection = DriverManager.getConnection(url, username, password);

IV. Executing SQL Queries

  • Create a Statement or PreparedStatement to execute SQL queries.
  • Execute SELECT queries to fetch data from the database.
java
// Example of executing a SELECT query String selectQuery = "SELECT * FROM your_table"; Statement statement = connection.createStatement(); ResultSet resultSet = statement.executeQuery(selectQuery);

V. Processing ResultSet

  • Iterate through the ResultSet to retrieve data.
  • Store the retrieved data in Java objects or data structures for further use.
java
// Example of processing ResultSet while (resultSet.next()) { String columnName = resultSet.getString("column_name"); // Process and store data as needed }

VI. Displaying Data in JSP

  • Transfer the processed data to JSP for presentation.
  • Use JavaBeans or request attributes to pass data from Java to JSP.
java
// Example of transferring data to JSP request.setAttribute("dataList", dataList); // Assuming dataList is a List containing the fetched data RequestDispatcher dispatcher = request.getRequestDispatcher("yourJspPage.jsp"); dispatcher.forward(request, response);

VII. JSP Rendering

  • Access the data in JSP using JSTL (JavaServer Pages Standard Tag Library) or scriptlets.
  • Populate HTML elements with the fetched data for display.
jsp
<!-- Example of rendering data in JSP --> <c:forEach var="data" items="${dataList}"> <p>${data.columnName}</p> </c:forEach>

VIII. Conclusion

  • Fetching data from a database in Java and displaying it in JSP is a fundamental skill for Java web developers.
  • Continuous practice and exploration of advanced concepts in Java Training can enhance your proficiency in database operations for web applications.
 
read less
Comments

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Mastering in Java Programming
Core java topics What is Java?Execution Model Of JavaBytecodeHow to Get Java?A First Java ProgramCompiling and Interpreting ApplicationsThe JDK Directory StructureUsing Eclipse Data types and Variables What...

Introduction to Course Content
Video about what we are going to learn throughout the Java Training Session .

CoreJAVA
Core Java Training High Level Course Content Trained by Java Architect 1. Core Java Programming Introduction of Java 2. Data types and Operators 3. Control Flow statements 4. OOPS and its application...
A

Recommended Articles

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Designed in a flexible and user-friendly demeanor, Java is the most commonly used programming language for the creation of web applications and platform. It allows developers to “write once, run anywhere” (WORA). It is general-purpose, a high-level programming language developed by Sun Microsystem. Initially known as an...

Read full article >

Java is the most famous programming language till date. 20 years is a big time for any programming language to survive and gain strength. Java has been proved to be one of the most reliable programming languages for networked computers. source:techcentral.com Java was developed to pertain over the Internet. Over...

Read full article >

Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...

Read full article >

Looking for Java Training Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Java Training Classes?

The best tutors for Java Training Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn Java Training with the Best Tutors

The best Tutors for Java Training Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more