# How do you create a bar chart in Java?

## How do you create a bar chart in Java?

BarChartExample.java

- import javax.swing.JFrame;
- import javax.swing.SwingUtilities;
- import org.jfree.chart.ChartFactory;
- import org.jfree.chart.ChartPanel;
- import org.jfree.chart.JFreeChart;
- import org.jfree.chart.plot.PlotOrientation;
- import org.jfree.data.category.CategoryDataset;

**Can we plot graph in Java?**

In Java, plotting of graph is done by using several topics of core Java. For plotting, we use swing, awt, and awt. geom. We use Swing package to use Jlabel, JButtons, and JPanel in our program.

### How do you create a simple graph in Java?

Depth-First Search (DFS)

- import java.io.*;
- import java.util.*;
- //creates an undirected graph.
- class Graph.
- {
- //stores the number of vertices.
- private int Vertices;
- //creates a linked list for the adjacency list of the graph.

**How do I create a bar graph in Excel in Java?**

How to generate bar chart or column chart in Excel using Apache…

- Prerequisites. At least Java 8, Eclipse 4.12, Apache POI 4.1.1, Gradle 5.6, maven 3.6.1.
- Create Project. The name of the project is apache-poi-excel-bar-column-chart.
- Create Bar and Column Chart.
- Testing the Application.
- Source Code.

## How do you code a graph in Java?

**What is line graph in Java?**

A line chart or line graph displays information as a series of data points (markers) connected by straight line segments. A Line Chart shows how the data changes at equal time frequency.

### How do I use BFS in Java?

BFS Algorithm

- Take the input for the adjacency matrix or adjacency list for the graph.
- Initialize a queue.
- Enqueue the root node (in other words, put the root node into the beginning of the queue).
- Dequeue the head (or first element) of the queue, then enqueue all of its neighboring nodes, starting from left to right.