Java 数据可视化方案是指使用 Java 语言编写的程序来可视化数据，以便更好地理解和分析数据。它可以帮助我们快速掌握数据的特征，并且可以更好地发现数据中的潜在关系。

Java 数据可视化方案是指使用 Java 语言编写的程序来可视化数据，以便更好地理解和分析数据。它可以帮助我们快速掌握数据的特征，并且可以更好地发现数据中的潜在关系。

是一个使用 Java 绘制折线图的代码示例：

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.Stroke;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JPanel;

public class LineChart extends JPanel {

private int width = 800;

private int heigth = 400;

private int padding = 25;

private int labelPadding = 25;

private Color lineColor = new Color(44, 102, 230, 180);

private Color pointColor = new Color(100, 100, 100, 180);

private Color gridColor = new Color(200, 200, 200, 200);

private static final Stroke GRAPH_STROKE = new BasicStroke(2f);

private int pointWidth = 4;

private int numberYDivisions = 10;

private List scores;

public LineChart(List scores) {

this.scores = scores;

}

@Override

protected void paintComponent(Graphics g) {

super.paintComponent(g);

Graphics2D g2 = (Graphics2D) g;

g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

double xScale = ((double) getWidth() - (2 * padding) - labelPadding) / (scores.size() - 1);

double yScale = ((double) getHeight() - 2 * padding - labelPadding) / (getMaxScore() - getMinScore());

List graphPoints = new ArrayList<>();

for (int i = 0; i < scores.size(); i++) {

int x1 = (int) (i * xScale + padding + labelPadding);

int y1 = (int) ((getMaxScore() - scores.get(i)) * yScale + padding);

graphPoints.add(new Point(x1, y1));

}

// draw white background

g2.setColor(Color.WHITE);

g2.fillRect(padding + labelPadding, padding, getWidth() - (2 * padding) - labelPadding, getHeight() - 2 * padding - labelPadding);

g2.setColor(Color.BLACK);

// create hatch marks and grid lines for y axis.

for (int i = 0; i < numberYDivisions + 1; i++) {

int x0 = padding + labelPadding;

int x1 = pointWidth + padding + labelPadding;

int y0 = getHeight() - ((i * (getHeight() - padding * 2 - labelPadding)) / numberYDivisions + padding + labelPadding);

int y1 = y0;

if (scores.size() > 0) {

g2.setColor(gridColor);