| 1 | import java.util.Map.Entry; |
| 2 | |
| 3 | class Main { |
| 4 | |
| 5 | /** |
| 6 | * The main() function |
| 7 | * @param String[] args main() function arguments array |
| 8 | */ |
| 9 | public static void main(String[] args) { |
| 10 | System.out.println("-----"); |
| 11 | String exp = "5 + x"; |
| 12 | try { |
| 13 | Variable x = new Variable(); |
| 14 | Expression ArithmeticExpression = new Opplus(new Chiffre('5'), x); |
| 15 | while (true) { |
| 16 | Entry<Integer, Double> e = x.getFirstEntry(); |
| 17 | System.out.println("x = " + e.getValue() + " :"); |
| 18 | System.out.println(exp + " = " + ArithmeticExpression.evaluer()); |
| 19 | } |
| 20 | } |
| 21 | catch (Exception e) {} |
| 22 | |
| 23 | System.out.println("-----"); |
| 24 | exp = "(3 + 2*x)*(7/y - 2) - 5/(3*z + 4)"; |
| 25 | try { |
| 26 | Variable x = new Variable(); |
| 27 | Variable y = new Variable(); |
| 28 | Variable z = new Variable(); |
| 29 | Expression ParentheseOne = new ParentheseExp(new Opplus(new Chiffre('3'), new Opmulti(new Chiffre('2'), x))); |
| 30 | Expression ParentheseTwo = new ParentheseExp(new Opminus(new Opdiv(new Chiffre('7'), y), new Chiffre('2'))); |
| 31 | Expression ParentheseThree = new ParentheseExp(new Opplus(new Opmulti(new Chiffre('3'), z), new Chiffre('4'))); |
| 32 | Expression ArithmeticExpression = new Opminus(new Opmulti((Facteur)ParentheseOne, (Terme)ParentheseTwo), new Opdiv(new Chiffre('5'), (Terme)ParentheseThree)); |
| 33 | while (true) { |
| 34 | Entry<Integer, Double> e = x.getFirstEntry(); |
| 35 | System.out.println("x = y = z = " + e.getValue() + " :"); |
| 36 | System.out.println(exp + " = " + ArithmeticExpression.evaluer()); |
| 37 | } |
| 38 | } |
| 39 | catch (Exception e) {} |
| 40 | } |
| 41 | } |