Rotation

public static char [][] RotationDroite (char [][] grilleJeu){
    char [][] grilleRotation;
    grilleRotation = new char [7][7] ;
        for (int i=0; i<=6; i++) {
            for ( int j=0 ; j<=6; j++) {
                grilleRotation [i][j] = grilleJeu [6-j][i];
            }
        }
        return grilleRotation;
    }

    public static char [][] RotationGauche (char [][] grilleJeu){
    char [][] grilleRotation;
    grilleRotation = new char [7][7] ;
        for (int i=0; i<=6; i++) {
            for ( int j=0 ; j<=6; j++) {
                grilleRotation [i][j] = grilleJeu [j][6-i];
            }
        }
        return grilleRotation;
    }