package interpreter;

public class Main {
    public static void main(String[] args) {
        // (5 + 3) * 2  →  16
        Expression expr1 = new MultiplyExpression(
            new AddExpression(
                new NumberExpression(5),
                new NumberExpression(3)
            ),
            new NumberExpression(2)
        );
        System.out.println("(5 + 3) * 2 = " + expr1.interpret());

        // 10 - (4 + 2)  →  4
        Expression expr2 = new SubtractExpression(
            new NumberExpression(10),
            new AddExpression(
                new NumberExpression(4),
                new NumberExpression(2)
            )
        );
        System.out.println("10 - (4 + 2) = " + expr2.interpret());

        // (3 * 4) + (10 - 6)  →  16
        Expression expr3 = new AddExpression(
            new MultiplyExpression(
                new NumberExpression(3),
                new NumberExpression(4)
            ),
            new SubtractExpression(
                new NumberExpression(10),
                new NumberExpression(6)
            )
        );
        System.out.println("(3 * 4) + (10 - 6) = " + expr3.interpret());
    }
}