removes an expression from the collection . concode_field_sep ArrayList<Expression> expressionList concode_field_sep void add concode_elem_sep void add concode_elem_sep int findExpressionByName concode_elem_sep Expression getExpression concode_elem_sep boolean contains concode_elem_sep Expression set concode_elem_sep int size concode_elem_sep void addAll concode_elem_sep Expression get concode_elem_sep ExpressionCollection clone concode_elem_sep Expression[] getExpressions concode_elem_sep int indexOf
boolean function ( final Expression arg0 ) { if ( arg0 == null ) { throw new NullPointerException ( ) ; } return expressionList . remove ( arg0 ) ; }