exo6: add the full implementation.

[Project_POO.git] / exo6 / Main.java

import java.util.Map.Entry;

class Main {

    /**
     * The main() function
     * @param String[] args main() function arguments array
     */
    public static void main(String[] args) {
        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) {}
    }
}