id/email
password
forgot password | create account
about | help | code help+videos | done | prefs
CodingBat code practice

 

countXs


Given a string, return the number of times the letter x appears in the string. For this problem please use a while loop and the indexOf method.


countXs("fox") → 1
countXs("boat") → 0
countXs("xexexex") → 4

...Save, Compile, Run (ctrl-enter)

public int countXs( String s ){ }

Editor font size %:
Shorter output


Forget It! -- delete my code for this problem

Progress graphs:
 Your progress graph for this problem
 Random user progress graph for this problem
 Random Epic Progress Graph

Java Help

Misc Code Practice

Difficulty: 200 Post-solution available

Copyright Nick Parlante 2017 - privacy