随笔分类 -  java

常用java使用编程
HashMap按照value值进行排序
摘要：运行结果e 5.0a 4.0c 3.2d 2.213b 2.2程序代码package GetSemeticWord;import java.util.Comparator;import java.util.HashMap;import java.util.Map;import java.util.Set;import java.util.TreeSet;import java.util.Map.Entry;public class test { /** * @param args */ public static void main(String[] args) { Map<String 阅读全文
posted @ 2013-01-13 19:02 xinyonde 阅读(319) 评论(0) 推荐(0)
JFreeChart画折线图
摘要：代码如下import java.awt.BasicStroke;import java.awt.Color;import java.awt.Font;import java.awt.GradientPaint;import java.io.File;import java.io.IOException;import javax.swing.JPanel;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartPanel;import org.jfree.chart.ChartUtilities;import org.jfr 阅读全文
posted @ 2013-01-04 09:57 xinyonde 阅读(778) 评论(0) 推荐(0)
JFreeChart设置点的颜色
摘要：代码如下View Code import java.awt.Color;import java.awt.Font;import java.awt.GradientPaint;import java.io.File;import java.io.IOException;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartFrame;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.S 阅读全文
posted @ 2012-12-31 21:53 xinyonde 阅读(1365) 评论(0) 推荐(0)
JChartFree常用数据集
摘要：JFreeChart支持的图表类型总结图表类型工厂类方法数据集类型备注柱状图createBarChartCategoryDataset　柱状图3DcreateBarChart3DCategoryDataset　饼图createPieChartPieDataset　饼图3DcreatePieChart3DPieDataset　线图createLineChartCategoryDataset　线图3DcreateLineChart3DCategoryDataset　复合饼图createMultiplePieChartCategoryDataset需要设置TableOrder复合饼图3Dcreate 阅读全文
posted @ 2012-12-31 12:15 xinyonde 阅读(532) 评论(0) 推荐(0)
JChartFree创建饼形图
摘要：代码如下View Code 1 import java.awt.Font; 2 import java.io.File; 3 import java.io.IOException; 4 5 import org.jfree.chart.ChartFactory; 6 import org.jfree.chart.ChartFrame; 7 import org.jfree.chart.ChartUtilities; 8 import org.jfree.chart.JFreeChart; 9 import org.jfree.chart.StandardChartTheme;10 impo.. 阅读全文
posted @ 2012-12-31 12:14 xinyonde 阅读(332) 评论(0) 推荐(0)
JChartFree使用散点图
摘要：代码如下View Code 1 import java.awt.Font; 2 import java.io.File; 3 import java.io.IOException; 4 5 import org.jfree.chart.ChartFactory; 6 import org.jfree.chart.ChartFrame; 7 import org.jfree.chart.ChartUtilities; 8 import org.jfree.chart.JFreeChart; 9 import org.jfree.chart.StandardChartTheme;10 impo.. 阅读全文
posted @ 2012-12-31 12:02 xinyonde 阅读(632) 评论(0) 推荐(0)