Jaspersoft Interview Questions

Jaspersoft Interview Questions and Answers

Trying to find a job with JasperReports? It is a widely used, robust, open-source reporting tool with the ability to transmit rich content to devices, printers, or PDF, HTML, XLS, RTF, ODT, CSV, TXT, and XML files.

You are in the right place if you are seeking a job in this field. You can study and prepare with our Jaspersoft Interview questions and answers without having to skip from one website to another in search of them.

Q1) What do you know about Jaspersoft?

Ans: With a focus on analytics, reporting, business intelligence, and including data visualization, Jaspersoft is a for-profit open-source software provider. Concerning the products iReport, JasperReports Server, Jaspersoft ETL JasperReports, Jaspersoft Studio, and Jaspersoft offer commercial and open source software, support, services, and licensing. JasperReports Server, a Java web application that offers advanced report server features like report scheduling, dashboards, permissions, multi-tenancy, and ad hoc reporting, is the primarily related product from Jaspersoft.

With extensive support for numerous databases and data sources, including NoSQL and other big data sources, it is available in a community open source edition as well as under several commercial editions.

Q2) What purpose does Jaspersoft serve?

Ans: By providing timely, usable data inside their apps and business processes, Jaspersoft allows individuals every day to make better decisions more quickly. Anyone can rapidly self-serve to receive the answers they need because of its embeddable, affordable reporting and analytics platform, which is scaleable both architecturally and economically to reach everyone.

Jaspersoft's open source and commercial software, which is used to build the Intelligence Inside apps and business processes, has been downloaded millions of times thanks to a community that numbers in the hundreds of thousands.

Q3) Explain iReport

Ans: The free and open source report creator for JasperReports and JasperReports Server is called iReport. Make extremely complex layouts using charts, graphics, subreports, crosstabs, and more. TableModels, JDBC, XML, JavaBeans, CSV, Hibernate, and custom sources are all ways to access your data. Your reports can then be made available as  RTF, XML, XLS, CSV, PDF, HTML, XHTML, text, DOCX, or OpenOffice documents.

Q4) Can you describe the Java ireport documentation process?

Ans: The user should complete the documentation of iReport rather than using certain pre-made packages, which are typically ineffective for the task. The user should complete the documentation of iReport rather than using certain pre-made packages, which are typically ineffective for the task.

Q5) Describe how to fix the issue with launching ireport when a java error occurs.

Ans: The etc folder, where the JDK home has been configured, contains the configuration file. The JDK path, not the JRE path, must be used there. JDK installation is required for the objective.

Q6) What distinguishes iReport from JasperReport?

Ans: In essence, JasperReport is the reporting engine, and iReport is the report designer.

Q7) What is the URL where I can find information about ireport?

Ans: The user may find all the information about the program and its usage on the iReport home page.

Q8) Which data sources and databases do iReport support?

Ans: All databases that comply with JDBC standards, as well as all JRData Source types, are supported by iReport. Sub reports and templates are also supported.

Q9) What other programs are Jaspersoft most frequently compared to?

Ans:

• Tableau Software against Jaspersoft
• Pentaho against Jaspersoft
• JasperSoft vs. QlikView
• Cognos and Jaspersoft
• Jaspersoft versus MicroStrategy

Q10) Explain Jasper's Assistant

Ans: JasperReports' visual report designer, Jasper Assistant, is created and offered as an Eclipse plug-in. Its major objective is to assist you in producing JasperReports report definition files using a simple and expert graphical user interface. Your entryway to the top open-source reporting tool is Jasper Assistant.

Q11) Mention the features of Jasper Reports?

Ans: 

• The report layout in JasperReports is adaptable.
• Data can be shown graphically or textually.
• It enables developers to provide data in a variety of ways.
• It can produce sub reports as well as watermarks, which are secondary images that are placed over the primary image.
• Watermarks can be created by it.
• Reports can be exported from JasperReports in several different formats.

Q12) What exactly is JasperReports sever?

Ans: A standalone and embeddable reporting server, JasperReports Server enables the transmission of mission-critical data in real or on demand to the web, to the printer, or several file formats. To deploy a report to JasperReports Server, create it in iReport first. After that, the report can be run, exported to a specific output, or scheduled to run at a later time.

Q13) Who are Jaspersoft's clients?

Ans: Customers of Jaspersoft often work in the ISV industry. However, the businesses that develop their applications. There are so a huge variety of groups, including from the public sector.

With Jaspersoft software, users primarily create Dashboards and Reports. These are interactive HTML5 charts or static reports. Any mobile device may access the reports and dashboards, which gives a nice overview. The choice to obtain a thorough analytical look is also available.

Q14) Tell us about JasperETL

Ans: One of the simplest products on the market for data integration, cleansing, transformation, and transportation is JasperETL. Any firm can use this high-performing, ready-to-use data integration platform. Although it is a component of the Jaspersoft Business Intelligence Suite, JasperETL is not the only tool for data integration. Its powers can be applied in the following situations:

• Combining a lot of info from several sources.
• Extending a BI solution to incorporate data marts and warehouses.
• Performance improvement through the off-loading of query and analysis form systems.
• Any data integration activity can be completed with the outstanding collection of features offered by JasperETL. It accurately and consistently pulls data from various systems, changes it, and loads it into an optimal repository.

Q15) Describe report filling for me.

Ans: By modifying sets of data, the report-filling process aids the reporting tool in doing this. The following are the primary inputs needed to complete a report: 

Report Template: The file is a real JasperReport.

Reporting Dimensions: These are essentially named values that are sent to the engine throughout the report filling process.

Data Source: A variety of data sources, including a SQL query, an XML file, a CSV file, an HQL (Hibernate Query Language) query, a set of Java Beans, etc., can be used to fill a Jasper file.