double[] highs=TestDataGenerator.getRandomNumbers( dataSize, 500, 1000 );
double[] lows=TestDataGenerator.getRandomNumbers( dataSize, 100, 300 );
double[] opens=TestDataGenerator.getRandomNumbers( dataSize, 350, 450 );
double[] closes=TestDataGenerator.getRandomNumbers( dataSize, 350, 450 );
StockChartProperties stockChartProperties=new StockChartProperties();
stockChartDataSet=new StockChartDataSet( highs, "High", lows, "Low", Color.black, stockChartProperties );
stockChartDataSet.setOpenValues( opens, "Open", Color.red );
stockChartDataSet.setCloseValues( closes, "Close", Color.green );