Digital Image Processing (using Java)

}histTool.pack();histTool.setVisible(true);}catch (Exception e) {System.err.println(e);System.exit(1);}}else {Histogram hist = new Histogram();HistogramTool histTool = new HistogramTool(hist, "HistogramTool");histTool.pack();histTool.setVisible(true);}}CalcHist.javaimport java.awt.image.BufferedImage;import java.io.FileWriter;public class CalcHist {public static void main(String[] argv) {if (argv.length > 1) {try {ImageDecoder input = ImageFile.createImageDecoder(argv[0]);BufferedImage image = input.decodeAsBufferedImage();Histogram histogram = new Histogram(image);FileWriter histFile = new FileWriter(argv[1]);histogram.write(histFile);if (argv.length > 2) {FileWriter cumHistFile = new FileWriter(argv[2]);histogram.writeCumulative(cumHistFile);}System.exit(0);}catch (Exception e) {System.err.println(e);- 33 -