jfreechart interview questions

Top Frequently Asked JFreeChart Interview Questions

What is chart ?

It is a pictorial representation of information.As it is said a picture is worth a thousand words, so by charts we can convey a lot of information that is very difficult using text.

What is JFreeChart ?

It is an open source library in java that can be used to generate graphs and charts for example pie charts, line charts, time series charts,bar charts etc.

Mention few Features of JFreeChart ?

  • It is 100% free and open source so it can be used in commercial applications as well without any cost.
  • JFreeChart supports a wide range of charts type like Line charts , pie charts,3D charts etc.
  • Documentation of API is very good so easy to understand.
  • Supports to multiple output formats for example JPEG, PNG, SVG etc.
  • It allows extensive customizations of charts.
  • Its API supports many interactive features like tool tips and zooming.

What is the use of JFreeChart Class ?

This class helps developer to control various aspect of generated charts.It provides a representation of a Java 2D chart.Its a part of org.jfree.chart package.some charts like line charts, bar charts, pie charts can be created using this class.

What is the use of ChartFactory ?

Its an abstract class that comes under org.jfree.chart package.This class is used to create different types of charts.Each method in this class is termed after the type of chart it produces.




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