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Top 100+ Jasperreports Interview Questions And Answers - May 31, 2020

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Top 100+ Jasperreports Interview Questions And Answers

Question 1. What Is The Difference Between Ireport And Jasperreport?

Answer :

Basically iReport is the file dressmaker and JasperReport is the reporting engine.

Question 2. How Are Jasperreports And Ireports Created?

Answer :

Jasper Reports are created manually using jrxml record and compliling it. On the alternative hand iReport offers one the extra person-friendly surroundings for growing reviews.

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Question three. How To Determine The Version Of Java Used By Ireport Designers In An Environment?

Answer :

In order to determine the specific version of Java utilized by the installation of iReport dressmaker, the putting in thecon/ireporpro.Con or inside the ireport/etc/ireportpro. Con need to be used.

Question four. What Are The Steps For Identifying The Default Java Version Used For Generating Ireport?

Answer :

When iReprot clothier is using the default Java set up for the surroundings, beginning a command line and executing the subsequent command could assist – java-model

Java Script Tutorial
Question five. What Is The Command Line For Setting Jdkhome Specifically For Ireport?

Answer :

When the jdkhome is ready in particular for the iReport, opening a command line and going to the bin listing in the listed directories inside the putting for executing the command java-model might assist figuring out the java version.

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Question 6. How To Change The Version Of Java Used By The Ireport?

Answer :

To change the version of Java utilized by iReport, the subsequent setting needs to be brought or up to date.
<irepor-install-directory>/fonf/ireportpro.Conf
or <ireport-install-directory>/ireport/and many others/ireportpro.Conf.
The use of the command line might depend on the set up made.

Question 7. What Are The Restrictions For Using Command Line For Changing The Version Of Java Used By Ireport?

Answer :

User need to ensure that the command line does no longer have any hash at the start of the road after it is updated. Because in such case it would no greater be command line however could become remark most effective.

Adv Java Tutorial Qlik View Interview Questions
Question eight. Can Jre Be Selected To Generate Ireport?

Answer :

JRE become created using the JSmooth and you may regulate the document ireport/and many others/ireport.Jsmooth the use of the jsmooth to pressure use of precise JVM.

Question 9. How To Solve The Problem Of Running Ireport When It Generates Java Error?

Answer :

The config document is to be had in the etc folder where the jdkhome has been set. The direction this is to take delivery of there's the jdk course and not jre direction. Installation of jdk is critical for the purpose.

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Question 10. How To Resolve The Windows Installer Problem In Java?

Answer :

User has to first take a look at whether she or he is walking the program in a container or as standalone. Checking this will allow the individual to get the proper JAVA_HOME version for strolling the iReport.

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Question eleven. How To Add User Defined Functions In Ireport?

Answer :

User can use Java code in iReport using the scriptlets.

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Question 12. What Is Achieved By Scriptlets?

Answer :

Scriptlets are the bridges that get the Java Code in iReport. IReport.Scriptlet is a Java magnificence that extends JRDefaultScriptlet where possible write consumer defined capabilities which could later be accessed without problems inside the document.

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Question 13. How To Run User Defined Functions In Ireport?

Answer :

A few simple steps help to run the person described capabilities. The first step is to visit Tools-alternatives- claspath tab –ADD Jar- pick out Jar record. In iReport the Scriptlet node in Report Inspector chooses the property named ‘Scriplet Class’. Keying in the region of the person defined feature could assist.

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Question 14. What Is Jar?

Answer :

In iReport JAR is made on building the undertaking containing the Scriptlet.

Question 15. What Is The Specific Necessity Of The Class Containing User Defined Function?

Answer :

The class containing the person described functions desires to be extended by using the JRDefaultScriptlet.

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Question 16. What Is The Parameter For Using User Defined Function In Ireport?

Answer :

The parameter in iReport for using the user described characteristic is $PREPORT SCRIPTLET that's a predefined parameter for the consumer.

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Question 17. What Is The Process Of Using User Defined Function In Ireport?

Answer :

The consumer described feature is used with the $ PREPORT SCRIPTLET.UserDefinedFun(). This function returns values from the scriptlet.

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Question 18. What Are Other User Defined Functions Used In Ireport?

Answer :

Other person defined functions in iReport are $PREPORT SCRIPTLET.UserDefinedfun($Fdiscipline). These functions give fluidity to Java from the Jasper to Java code.

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Question 19. Is There Any Way To Know How The Report Looks?

Answer :

There is a PDF export that would show exactly how the file looks.

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Question 20. Is It Possible Using Multiple Parameters For The Query In Ireport?

Answer :

Yes it's far feasible the usage of a set of controls in Java. The user has complete control on what she or he passes and what she or he received in Java.

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Question 21. Is It Necessary Installing Additional Files After Installing The Standard Version Of Ireport?

Answer :

Setting up the JAVA_HOME environmental variable with route as C:Program Filesjasperserver-pro-three.7javajre can cope with the problem.

Question 22. What Is The Process Of Documentation Of Ireport In Java?

Answer :

The documentation of iReport ought to be carried out by the user and now not with a few readymade applications which can be ordinarily now not fruitful for the reason.

Question 23. Is It Good Using Packages For Ireport Documentation?

Answer :

If in any respect; most effective excellent documentation package deal must be used and the iReport need to no longer have any round references that could create useless problems.

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Question 24. What If The User Cannot Find Java.Exe Or (null)jrebinjava.Exe Nor (null) Binjava.Exe While Trying To Generate Ireport?

Answer :

It isn't vital putting in JasperReport within the system. Instead searching the system and setting the java.Exe and set it to JAVA_HOMW might contend with the problem.

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Question 25. What Is Basically Ireport?

Answer :

Basically is a visual clothier for the JasperReports.

Question 26. What Are The Main Features Of Jasperreport?

Answer :

JasperReports is the satisfactory IMHO or open source reporting engine that is to be had for Java community.

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Question 27. What Are Two Main Features Of Ireport?

Answer :

Two major capabilities of iReport are it supports ninety eight% of JasperReport tags and it has an built in editor with syntax highlighting for write expression.

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Question 28. What Languages And Codes Are Supported By Ireport?

Answer :

iReport supports Unicode and plenty non Latin language (Russian, Chinese, Korean). It additionally helps different fonts.

Question 29. Has The Ireport Any Integrated Features?

Answer :

Integrated compiler and exporter are the integrated functions in iReport. The different one is the file shape browser.

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Question 30. What Are The Databases And Data Source That Is Supported By Ireport?

Answer :

iReport supports all JDBC compliant databases and also all styles of JRData Source. It also supports sub reviews as well as templates.

Question 31. Are There Any Facilities For Having Backup In Ireport?

Answer :

Yes. The person can backup statistics and facts with iReport.

Question 32. What Is The Link Where Information About Ireport Would Be Available?

Answer :

It is the iReport home page where user can get all statistics approximately the application and its makes use of.

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Question 33. What Are The System Requirements For Ireport?

Answer :

Some of the machine requirements for the iReport are Sun JDK 1.4 or more, Ant, JasperReports zero.Four.6, Sax 2.0 XML Parser, a host of Jakarta commons additives and Acrobat Reader.

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Question 34. What Files Are Required By Ireport For Configuration?

Answer :

XML documents are required for configuration of iReport.

Question 35. What Is Jaspersoft?

Answer :

Jaspersoft is a industrial open source software program seller centered on commercial enterprise intelligence, together with data visualization, reporting, and analytics. Jaspersoft gives business and open supply software program, help, offerings, and licensing around the JasperReports, JasperReports Server, Jaspersoft Studio, iReport, and Jaspersoft ETL merchandise. Jaspersoft’s major related product is JasperReports Server, a Java web utility that provides advanced record server competencies consisting of file scheduling, permissions, advert hoc reporting, dashboards, and multi-tenancy. It is obtainable in a community open supply version as well as under numerous business editions with vast aid for various databases and facts resources, along with NoSQL and other large data datasources.

Question 36. What Are The Main Features Of Jaspersoft?

Answer :

Pixel Perfect Reporting : Highly formatted reviews containing interactive charts, pics, sub-reviews, expressions, and greater. Reports from any records supply inclusive of JDBC, XML, CSV, Hibernate, POJO. Reports posted in PDF, XML, HTML, CSV, DOC, ODT.
Ad Hoc Reporting : Web-primarily based, drag-and-drop document fashion designer. Crosstabs, tables, and chart-based reports. Semantic layer towards relational or non-relational records sources.
Advanced analytic capabilities : Ability to research statistics across multiple attributes and time periods. Multidimensional Expression Language (MDX) aid lets users run complicated analytic queries. Addition of calculations at runtime or inside the relational OLAP model.
Interactive person interface : Intuitive net-primarily based interface shall we users drill down, drill throughout, drill up, clear out, pivot, sort, and chart. Ability to apply MS Excel as a the front-quit client to your OLAP environment. Granular security get right of entry to right down to the cell and column level.
Performance and scalability : Sophisticated caching of records and dimensions reduces question latency. Relational database garage architecture. Aggregate-conscious architecture simplifies setup and improves consumer response instances.
Graphical design environment : Business-oriented models for early design collaboration. Drag-and-drop method fashion designer. Activity tracking console tracks activity execution and performance.
Connectors : Native connectivity to ERP and CRM programs such as Salesforce.Com, SAP, and SugarCRM. Support for mainframe, transactional, and analytic databases. Connectivity to Hive for Hadoop environments.
ELT support : ELT connector guide for Oracle, DB2, Postgres, IBM/Netezza, EMC/Greenplum, Teradata, and SAP/Sybase IQ. Merge, filter and rollback functions. ELT template jobs for re-use.
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Question 37. What Is The Use Of Jaspersoft?

Answer :

Jaspersoft empowers people each day to make higher decisions faster by means of bringing them timely, actionable statistics interior their apps and enterprise techniques. Its embeddable, price-powerful reporting and analytics platform allows each person to fast self-serve to get the solutions they want, while scaling architecturally and economically to attain all people. Thanks to a network that is hundreds-of-thousands sturdy jaspersoft’s industrial and open source software program has been downloaded millions of instances and is used to create the Intelligence Inside apps and enterprise tactics.

Question 38. What Is Jasperreport?

Answer :

JasperReports is an open supply Javareporting tool which can write to an expansion of goals, which includes: display, a printer, intoPDF, HTML, Microsoft Excel, RTF, ODT, Comma-separated values or XML files.It may be utilized in Java-enabled programs, which include Java EE or net packages, to generate dynamic content material. It reads its instructions from an XML or .Jasper file.

Features of Jaspersoft Report: JasperReports is an open supply reporting library that may be embedded into any Java utility.

Question 39. What Is Ireport?

Answer :

iReport is the free, open source document fashion designer for JasperReports and JasperReports Server. Create very sophisticated layouts containing charts, pix, subreports, crosstabs and plenty greater. Access your records through JDBC, TableModels, JavaBeans, XML, Hibernate, CSV, and custom assets. Then publish your reports as PDF, RTF, XML, XLS, CSV, HTML, XHTML, text, DOCX, or OpenOffice.

Question 40. What Is The Difference Between Jasperreports Server Community Edition And Jasperreports Server Professional?

Answer :

JasperReports Server Community Edition is Jaspersoft’s unfastened, open supply reporting and evaluation server, based totally onJasperReports Library,Mondrian, JPivot and Spring. It is licensed under the GPLv2. JasperReports Server Professional Edition is a commercially licensed reporting and evaluation server based totally on JasperReports Server Community Edition. It is “seen” source – code comes with Professional Edition, but it isn't always unfastened.

The Professional Edition extensions beyond the Community Edition include:

Interactive web primarily based “advert hoc” report development and facts exploration (AJAX) in opposition to any data source.
End consumer question via the browser, primarily based on “facts domains” which include statistics stage security. A net based area fashion designer is supplied. JDBC most effective at this stage.
In-memory data get admission to and calculation engine to help ad hoc. Includes server management like query governing.
Dashboards made from a couple of reviews, snap shots and outside web content material may be designed through the browser (AJAX).
User profile based data stage security for OLAP evaluation, past simple roles.
Performance tuning and control equipment.
Multi-tenant enabled to support “enterprise intelligence as a provider” for SaaS vendors and organizations that share JasperReports Server across clients or departments.
Complete translations of the JasperReports Server person interface and documentation for English, French, German, Spanish and Japanese (Chinese coming quickly)
Out of the box support to allow JasperReports Server to run in a massive type of software servers and databases for the repository. JasperReports Server Community Edition and Professional Edition can hook up with a wide variety of databases for reporting and evaluation thru JDBC.
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Question 41. What Is The Use Of Jasper Report?

Answer :

Jasper Reports is used to generate the reports from the Database. A powerful report-generating tool that has the potential to deliver wealthy content onto the display screen, to the printer or into PDF, HTML, XLS, CSV and XML files. Its important use is to help developing web page oriented, ready to print documents in a easy flexible way.

Question forty two. What Is Ireport Designer?

Answer :

There are numerous approaches to add reporting capabilities to an software. For many web builders, to create a record just approach to create a web page, which produces appropriate consequences on screen however poor effects whilst printed to paper. And to create a file in PDF means write more code lots of code, making the reports hard to hold and long to put in writing.

When working with different technologies the trouble does no longer alternate very a whole lot. For example, Java affords an extensive API for printing, however there is still numerous paintings to write unique code for each report format.The solution to this trouble is to apply a reporting library.JasperReports Library is the sector’s most famous open source Java reporting library, and iReport Designer is a visual record designer for JasperReports.

The library is a report engine that may be integrated to your open or commercial application to generate the reports designed with iReport Designer, display them on screen or export them in a final format like PDF, OpenOffice, DOCX and plenty of others. Alternatively, you could flow the result through a web utility or ship the very last report directly to a printer.

JasperReports is in a few manner the core of iReport Designer. JasperReports is extremely easy to integrate in an Java application, however if you need an environment to use the reports without having to put in writing a custom application, you could don't forget the usage of JasperReports Server.

JasperServer offers a web primarily based interface to manipulate, agenda, and run the reviews; a repository to keep all the record assets like pix, fonts, records resources and plenty greater; a protection carrier to determine who can execute which file; and a web services API to execute the reviews from external programs (so that you can generate reports from any sort of surroundings, like PHP or .NET).

In the big photo, iReport Designer allows you to design reviews, JasperReports lets in to execute them and generate output in a Java application, and JasperServer lets in each give up customers and outside applications to get entry to, view, and submit your reports securely. JasperServer also makes reviews interactive by adding drill down and drill up competencies for your files.

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Question 43. What Is Jaspersoft Etl?

Answer :

Jaspersoft ETL is a complete and equipped-to-run ETL task fashion designer with an in depth set of facts integration competencies. It always and accurately extracts and transforms information from more than one structures and loads it into statistics shops optimized for reporting and analysis together with megastar or snowflake schema facts marts and warehouses. And it effortlessly maintains tempo with the performance of different main ETL gear.

With JasperETL, database architects and operational statistics save directors can: Use the business modeler to get entry to a non-technical view of the records workflow. Display and edit the ETL process with Job Designer, a graphical enhancing device. Define complicated mappings and transformations with Transformation Mapper and different transformation additives.

Generate portable Perl or Java code that can be achieved on any gadget. Track ETL statistics from begin to finish with actual-time debugging. Allow simultaneous output from and enter to more than one sources which include flat documents, XML files, databases, web offerings, POP and FTP servers with hundreds of to be had connectors. Configure heterogeneous facts assets and complex document formats consisting of positional, delimited, CSV, RegExp, XML, and LDIF with metadata wizards. Use the Activity Monitoring Console (AMC) to monitor process events (successes, disasters, warnings, and many others.), execution times, and information volumes.

Question 44. Who Are The Customers Of Jaspersoft?

Answer :

The Jaspersoft’s clients come specifically from the ISV sector. But essentially the groups that creates their own utility. So a very extensive variety of corporations is there, even from the general public region. Creating Dashboards and Reports is basically what customers do with Jaspersoft software. Those are static reports or interactive HTML5 charts. The reviews and dashboards may be accessed from any cellular device, which gives a neat review. You also have the option to get a deep analytical view.




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