markdownFormatted.java

import java.util.*;

class MarkdownFormatted {

  private void format(String input) {
    String[] newLineStrings = input.split("\n");
    ArrayList<ArrayList<String>> words = new ArrayList<>();

    int size = newLineStrings[0].split("\\|").length;
    int[] largest = new int[size];
    for (int i = 0; i < largest.length; i++) {
      largest[i] = -1;
    }

    for (int i = 0; i < newLineStrings.length; i++) {
      String s = newLineStrings[i];
      String[] s1 = s.split("\\|");
      ArrayList<String> w = new ArrayList<>();
      for (int j = 0; j < s1.length; j++) {
        String gg = s1[j];
        gg = gg.trim();
        int length = gg.length();
        if (length > largest[j]) {
          largest[j] = length;
        }
        w.add(gg);
      }
      words.add(w);
    }

    System.out.println("\n\n");
    for (int i = 0; i < words.size(); i++) {
      for (int j = 1; j < largest.length; j++) {
        int l1 = words.get(i).get(j).length();

        if (i == 1) {
          System.out.print("| " );
          for (int k = 0; k < largest[j]; k++) {
            System.out.print("-");
          }
          System.out.print(" ");
        } else {
          System.out.print("| " + words.get(i).get(j));
          for (int k = 0; k <= largest[j] - l1; k++) {
            System.out.print(" ");
          }
          
        }
      }
      System.out.println("|");
    }
  }

  public static void main(String args[]) {
    String input =
      "|Syntax|Description|\n" +
      "| --- | ----------- |\n" +
      "| Header| Title |\n" +
      "| Paragraph | Text|";


    MarkdownFormatted m = new MarkdownFormatted();
    m.format(input);

    String input1 =
      "|Syntax|Description|Quantity |\n" +
      "| --- | ----------- |----|\n" +
      "| Header| Title | 34|\n" +
      "| Paragraph | Text| 170000|";

      
    m.format(input1);
  }
}