package com.iluwatar; public class MultiplyExpression extends Expression { private Expression leftExpression; private Expression rightExpression; public MultiplyExpression(Expression leftExpression, Expression rightExpression) { this.leftExpression = leftExpression; this.rightExpression = rightExpression; } @Override public int interpret() { return leftExpression.interpret() * rightExpression.interpret(); } @Override public String toString() { return "*"; } }