question: static public String stripChar ( String str , char ch ) { if ( str != null ) { char [ ] buffer = new char [ str . length ( ) ] ; int next = 0 ; for ( int i = 0 ; i < str . length ( ) ; i ++ ) { if ( str . charAt ( i ) != ch ) { buffer [ next ++ ] = str . charAt ( i ) ; } } return new String ( buffer , 0 , next ) ; } else { return null ; } }
target:  Remove all occurances of the given character from the string argument.