Any help would be greatly appreciated (needed in c++)

s BrowserHistory > Q currenturi fine the class Brousertistory below. Browsertistory fi rivate: If One stacks of strings and the page you are currently viewing is all Stack history; string currenturl; ublic: If Implement the constructor to initialize your object 11 with a new current page at defaulturl 1/ At this point, your hlstory should be empty Browsertistory(string defaulturl) \{\} If Implement the getcurrentpage eethod to return If the most recently visited page string getCurrentPage() {. I return "=; 11 Implement the gotopage method, which wi1 take in a ur1 II and update the current page If It should also push the provious page to the history Il returns nothing void goTopage(string inurl) i) If Implesent goback method to go to the previous page In history If If there is no prevlous page to move to, If print a message and do nothing void gotack() \{\} If Implenent method cancoback, If which deteraines whether there is a previous url in the history If Hint: your Stack class has a useful method for thisl bool cancoBack() f return false; // fix this! 3; II Implement the historyLength method, which If returns how many urls are in the history. II not including the current page. If hint: Your stack has a useful method for this! Int historylength() \{ return ;//fix this 3