(Solved) : Convert Code C Import Javautilscanner Import Javautilstack Java Program Expression Tree Cl Q33250730 . . . .

convert this code in c++:
import java.util.Scanner;
import java.util.Stack;

// Java program for expression tree
class ExpNode {

    char value;
    ExpNode left, right;

    public ExpNode(char item) {
        this.value = item;
        this.left = this.right =null;
    }
}

class ExpressionTree {

    //check if character is operator
    boolean isOperator(char c) {
        if (c == ‘+’ || c ==’-‘
               || c == ‘*’ || c == ‘/’
               || c == ‘^’) {
           return true;
        }
        return false;
    }

    //function to do inorder traversal
    void inorder(ExpNode t) {
        if (t != null) {
           inorder(t.left);
           System.out.print(t.value + ” “);
           inorder(t.right);
        }
    }

    //function to do preorder traversal
    void preorder(ExpNode t) {
        if (t != null) {
           System.out.print(t.value +