stampa pagella

import java.util.*;
public class Vetp2 {

    public static int[][] inizializzaMatr(){

        int matr[][] = {
            {1,2,3,4,5},
            {6,7,8,9,10},
            {11,12,13,14,15},
            {16,17,14,19,20}
        };
        return matr;
    }
    public static void stampa(int a[][],String b[],String c[], int med[]){
        final int n=4;
        final int m=5;


        for(int i=0; i<m+1; i++){
            System.out.print("  "+c[i]+"    ");
        }
        for(int i=0; i<n; i++){
            System.out.print("\n"+b[i]);
            for(int j=0; j<m; j++){
                    System.out.print("  "+a[i][j]+" ");
            }
            System.out.print("  "+med[i]);
        }
    }

    public static int[] calcolamedia(int matr[][]){
        final int n=4;
        final int m=5;
        int somme[]=new int[n];
        int medi[]=new int[n];

        for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                somme[i]=somme[i]+matr[i][j];
            }
        }

        for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                medi[i]=somme[i]/m;
            }
        }
        return medi;
    }
    public static String[] caricastud(){
        String stud[]={"rossi", "bianchi","verdi","werty"};
        return stud;
    }

    public static String[] caricamat(){
        String mat[] = {"mate", "info", "ingl", "ita", "ginn" ,"medie"};
        return mat;
    }

    public static void main(String[] args) {

        int matrice[][]=inizializzaMatr();
        Scanner input = new Scanner (System.in);
        String[] studenti = caricastud();
        String[] materie= caricamat();

        int medie[]=calcolamedia(matrice);

        stampa(matrice, studenti, materie, medie);
        input.close();
    }

}