DNA.zip_DNA java_DNA检测

import java.util.*; import java.io.*; public class DNA { public static void main(String[] args) throws FileNotFoundException { Scanner console = new Scanner(System.in); System.out.println("This program reports information about DNA"); System.out.println("nucleotide sequences that may encode proteins."); System.out.print("Input file name? "); String inputFile = console.next(); System.out.print("Output file name? "); String outputFile = console.next(); Scanner input = new Scanner(new File(inputFile)); PrintStream output = new PrintStream(new File(outputFile)); while (input.hasNextLine()) { String regionName = input.nextLine(); String data = input.nextLine(); String nucleotides = data.toUpperCase(); String line = nucleotides.replace("-", ""); int[] count = getCount(line); double[] percentage = getMass(count, nucleotides); String[] list = getList(line); output.println("Region Name: " + regionName); output.println("Nucleotides: " + nucleotides); output.println("Nuc. Counts: " + Arrays.toString(count)); output.println("Total Mass%: " + Arrays.toString(percentage)); output.println("Codons List: " + Arrays.toString(list)); output.println("Is Protein?: " + ); output.println(); } } // public static int[] getCount(String line) { int[] count = new int[4]; for (int i = 0; i < line.length(); i++) { char type = line.charAt(i); int indice = convert(type); count[indice] += 1; } return count; } // public static double[] getMass(int[] count, String nucleotides) { double[] masses = {135.128, 111.103, 151.128, 125.107}; double[] sum = new double[4]; double[] percentage = new double[4]; double total = 0.0; /* for (int i = 0; i < count.length(); i++) { sum[i] = count[i] * masses[i] / total; } */ for (int i = 0; i < nucleotides.length(); i++) { char type = nucleotides.charAt(i); int indice = convert(type); if (indice == 4) { total += 100.000; } else { total += masses[indice]; } if (indice < 4) { sum[indice] += masses[indice]; percentage[indice] = Math.round(sum[indice] / total * 1000.0) / 10.0; } } return percentage; } // public static String[] getList(String line) { String[] list = new String[line.length() / 3]; for (int i = 0; i < line.length() / 3; i++) { list[i] = line.substring(i * 3, i * 3 +3); } return list; } // public static int convert(char type){ if (type == 'A') { return 0; } else if (type == 'C') { return 1; } else if (type == 'G') { return 2; } else if (type == 'T') { return 3; } else { return 4; } } }