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

 

Recursion-1 > allStar
prev  |  next  |  chance

Given a string, compute recursively a new string where all the adjacent chars are now separated by a "*".


allStar("hello") → "h*e*l*l*o"
allStar("abc") → "a*b*c"
allStar("ab") → "a*b"

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

public String allStar(String str) { }

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: 354.0

Copyright Nick Parlante 2017 - privacy