Code to change ln format (save as JapFormat.java)

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/**
 *
 * @author DAIVOL
 */
import java.util.*;
import java.io.*;


public class JapFormat
{

    public static void main(String[] args) throws IOException
{
    File file = new File("C:\\Users\\Daivol\\Documents\\NetBeansProjects\\jap\\test.txt"); // replace your txt file here, ONLY .txt FILE WORKS IN THIS
    Scanner inputFile = new Scanner(file);
    int k,i,j=0,x,y,l,m;

    ArrayList<char[]> chars = new ArrayList<>();
         do {
        chars.add(inputFile.nextLine().toCharArray());
        }while (inputFile.hasNext());
        char[][] line = chars.toArray(new char[chars.size()][]);     //takes input line by line
        for(int a=1;a<line[0].length;a++)
            line[0][a-1]=line[0][a];              // since for some reason the first line input starts from 1 instead of 0, idk why

     k=line.length;
    /*for(i=0;i<k;i++)
    { l=line[i].length;
      m=i+1;
         System.out.println("line "+m + " length is "+l);  // to see the length in different para
        if(j<line[i].length)
     {j=line[i].length;}    //to get biggest length,but seems redundant since it works only when all line have same length
    }

    */

   for(x=0;x<k;x++)
   {   for(y=0;y<line[x].length;y++)
            System.out.print(line[x][y]);
     l=line[x].length;
      m=x+1;
      System.out.println("  line "+m + " length is "+l);          // ALL LENGTH NEED TO BE SAME IN OUTPUT

   }


    for(x=line[0].length-1;x>=0;--x)
    {  for(i=0;i<k;i++)
    { System.out.print(line[i][x]);
    }
     System.out.println();       // YOU MAY NEED TO SKIP FIRST AND SECOND LINE WHILE COPYING FROM OUTPUT
    }

}
}