import java.util.*;

public class createStringOnFile {
    static String[] name1 = {"ahmed","Mohamed","Ali"};
    static String[] name2 = {"Ali","momen","Sena"};
    static String[] name3 = {"Ramy","Yasser","Mariem"};
    static String[] filenames = {"file1","file2","file3"};
    static String[][] names = {name1,name2,name3};
    static Formatter writer;

    public static void main(String args[]) {
        CreateFiles(filenames);
    }


    public static void CreateFiles(String[] filename) {
        for(int x =0;x<filename.length;x++) {
            try {
                writer = new Formatter(filename[x]+".txt");
                WriteToFile(names);
            }catch(Exception e) {
                System.out.println("Error :"+e);
            }
        }
    }

    public static void WriteToFile(String[][] names) {
        try {
            for(int x=0;x<names.length;x++) { // creates variable x and assign it to value 0; if x is less than name.length(the length of String[][] names which is 3) then go to next loop; increment x by 1 after the second for loop.

                for(int y=0;y<names[x].length;y++) { // creates variable y and assign it to value 0; if y is less than name[x].length(the length of String[][] names with index x(0,1,2) which is 3) then go to next loop; incremenent y by 1 after the after the loop.

                    writer.format("%s "+(y == names[x].length-1 ? "%n" : ""), names[x][y]);
                }
            }
            writer.close();
        }catch(Exception e) {
            System.out.println("Error writing to file: "+e);
        }
    }

}