CS计算机代考程序代写 package Lab5_Parsing.task2;

package Lab5_Parsing.task2;

/**
* AddExp: it is extended from the abstract class Exp.
* This class is used to represent the expression of addition
*
* You are not required to implement any function inside this class.
* Please do not change anything inside this class as well.
*/

public class AddExp extends Exp {

private Exp term;
private Exp exp;

public AddExp(Exp term, Exp exp) {
this.term = term;
this.exp = exp;
}

@Override
public String show() {
return “(” + term.show() + ” + ” + exp.show() + “)”;
}

@Override
public int evaluate() {
return (term.evaluate() + exp.evaluate());
}
}