public class Gamefield {
    private int field1, field2, field3, field4, field5, field6, field7, field8, field9;

    Gamefield() {
        field1 = 0;
        field2 = 0;
        field3 = 0;
        field4 = 0;
        field5 = 0;
        field6 = 0;
        field7 = 0;
        field8 = 0;
        field9 = 0;
    }

    public void setField(int field, int player) {
            if(field == 1) {
                field1 = player;
            }                
            else if(field == 2) {
                field2 = player;
            }                
            else if(field == 3) {
                field3 = player;
            }                
            else if(field == 4) {
                field4 = player;
            }            
            else if(field == 5) {
                field5 = player;
            }            
            else if(field == 6) {
                field6 = player;
            }            
            else if(field == 7) {
                field7 = player;
            }            
            else if(field == 8) {
                field8 = player;
            }            
            else if(field == 9) {
                field9 = player;
            }                
    }

    public int getField(int field) {
        if(field == 1) {
            return field1;
        }
        else if(field == 2) {
            return field2;
        }
        else if(field == 3) {
            return field3;
        }
        else if(field == 4) {
            return field4;
        }
        else if(field == 5) {
            return field5;
        }
        else if(field == 6) {
            return field6;
        }
        else if(field == 7) {
            return field7;
        }
        else if(field == 8) {
            return field8;
        }
        else if(field == 9) {
            return field9;
        }
        return -1;
    }

    public void outputField() {
        System.out.print(getSymbol(field1));
        System.out.print("|");
        System.out.print(getSymbol(field2));
        System.out.print("|");
        System.out.println(getSymbol(field3));
        System.out.println("_____");
        System.out.print(getSymbol(field4));
        System.out.print("|");
        System.out.print(getSymbol(field5));
        System.out.print("|");
        System.out.println(getSymbol(field6));
        System.out.println("_____");
        System.out.print(getSymbol(field7));
        System.out.print("|");
        System.out.print(getSymbol(field8));
        System.out.print("|");
        System.out.println(getSymbol(field9));

    }

    private String getSymbol(int player) {
        if(player == 1) {
            return "X";
        }
        else if(player == 2) {
            return "O";
        }
        else {
            return " ";
        }
    }

}