GenerateAsp.java

import java.util.ArrayList;
import java.lang.Math;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) {

    if (args.length == 2) {
      printRandom(Integer.parseInt(args[0]), Integer.parseInt(args[1]));
      System.out.println("");
      return;
    } if (args.length == 0) {
      Scanner scanner = new Scanner(System.in);

      System.out.println("Text array:");
      ArrayList<Integer> text = getAsList(scanner.nextLine());

      System.out.println("Pattern array");
      ArrayList<Integer> pattern = getAsList(scanner.nextLine());

      print(text, pattern);

      System.out.println("");

      return;
    } else {
      System.out.println("Wrong number of arguments");
    }
  }

  public static void printRandom(int tsize, int psize) {
      ArrayList<Integer> text = getRandomList(tsize);
      ArrayList<Integer> pattern = getRandomList(psize);
      print(text, pattern);
  }

  public static ArrayList<Integer> getRandomList(int size) {
    ArrayList<Integer> numbers = new ArrayList<>();
    ArrayList<Integer> ret = new ArrayList<>();
    for (int i = 0; i < size; i++) {
      numbers.add(i+1);
    }

    while (numbers.size() > 0) {
      int rand = (int) (Math.random() * numbers.size());
      ret.add(numbers.remove(rand));
    }

    return ret;
  }
  
  public static ArrayList<Integer> getAsList(String in) {
    ArrayList<Integer> ret = new ArrayList<>();
    ret.add(0);
    
    for (char c : in.trim().toCharArray()) {
      if (c == ' ') ret.add(0);
      else {
        int pos = ret.size() - 1;
        int newVal = ret.get(pos) * 10;
        newVal += Character.getNumericValue(c);
        ret.set(pos, newVal);
      }
    }
    
    return ret;
  }
  
  public static void print(ArrayList<Integer> text, ArrayList<Integer> pattern) {
    print(pattern.size(), "size");
    print(text, "text");
    print(pattern, "pattern");
  }
  
  public static void print(ArrayList<Integer> values, String name) {
    for (int i = 0; i < values.size(); i++) {
      print((i+1) + "," + values.get(i), name);
    }
  }
  
  public static void print(int value, String name) {
    print(((Integer)value).toString(), name);
  }
  
  public static void print(String value, String name) {
    System.out.print(name);
    System.out.print("(");
    System.out.print(value);
    System.out.print("). ");
  }
}