question: public static String underlinesToCamelCase ( String string ) { StringBuilder sb = new StringBuilder ( string . length ( ) ) ; int n = string . length ( ) ; int i = 0 ; boolean upcaseNext = true ; for ( ; i < n ; i ++ ) { char c = string . charAt ( i ) ; if ( c == '_' ) { upcaseNext = true ; } else { if ( upcaseNext ) { c = Character . toUpperCase ( c ) ; } upcaseNext = false ; sb . append ( c ) ; } } return sb . toString ( ) ; }
target:  Converts an underlined_word into a CamelCase word