+ System.out.println("-----");
+ String exp = "5 + x";
+ try {
+ Variable x = new Variable();
+ Expression ArithmeticExpression = new Opplus(new Chiffre('5'), x);
+ while (true) {
+ Entry<Integer, Double> e = x.getFirstEntry();
+ System.out.println("x = " + e.getValue() + " :");
+ System.out.println(exp + " = " + ArithmeticExpression.evaluer());
+ }
+ }
+ catch (Exception e) {}
+
+ System.out.println("-----");
+ exp = "(3 + 2*x)*(7/y - 2) - 5/(3*z + 4)";
+ try {
+ Variable x = new Variable();
+ Variable y = new Variable();
+ Variable z = new Variable();
+ Expression ParentheseOne = new ParentheseExp(new Opplus(new Chiffre('3'), new Opmulti(new Chiffre('2'), x)));
+ Expression ParentheseTwo = new ParentheseExp(new Opminus(new Opdiv(new Chiffre('7'), y), new Chiffre('2')));
+ Expression ParentheseThree = new ParentheseExp(new Opplus(new Opmulti(new Chiffre('3'), z), new Chiffre('4')));
+ Expression ArithmeticExpression = new Opminus(new Opmulti((Facteur)ParentheseOne, (Terme)ParentheseTwo), new Opdiv(new Chiffre('5'), (Terme)ParentheseThree));
+ while (true) {
+ Entry<Integer, Double> e = x.getFirstEntry();
+ System.out.println("x = y = z = " + e.getValue() + " :");
+ System.out.println(exp + " = " + ArithmeticExpression.evaluer());
+ }
+ }
+ catch (Exception e) {}