lab1

/**
 * Created by satellite on 21.02.2017.
 */
public class latinSquare {
    public static void main(String[] args) {
        int dim = 4;
        String type = "greek";

        if (args.length < 1 || args.length > 2)
            System.out.println("Prea putini parametri.");
        else if (args.length == 1) {
            dim = Integer.parseInt(args[0]);
            type = "latin";
        } else if (args.length == 2) {
            dim = Integer.parseInt(args[0]);
            type = args[1];
        }

        System.out.println("Dimensiune matrice: " + dim);
        System.out.println("Limbaj: " + type);

        char[][] matrix = new char[50][50];


        if(type.compareTo("latin") == 0)
            for(int i = 0; i<dim; i++)
                matrix[0][i] = ((char)('A' + i));

        else if(type.compareTo("greek") == 0)
            for(int i = 0; i<dim; i++)
                matrix[0][i] = (char)(('\u03B1' + i));


        for(int i = 1; i<dim; i++) {
            System.arraycopy(matrix[i - 1], 1, matrix[i], 0, dim);
            System.arraycopy(matrix[i - 1], 0, matrix[i], dim - 1, 1);
        }

        for (int i = 0; i < dim; i++) {
            for (int j = 0; j < dim; j++)
                System.out.print( matrix[i][j] + " ");
            System.out.println();
        }
    }
}