BP_Example1.java

class Example1 {
    final static BiFunction<ResultSet, Integer, String> STRING =
              (r, index) -> {
 	          try {
 		       return r.getString(index);
 		  } catch (SQLException e) {
 		       throw new RuntimeException(e);
 	       }
 	  };
    void example(ResultSet rs, Integer i) {
          Bean bean = new Bean();
          copy(bean, Bean::setStr, rs, STRING, i);
    }
    class Bean {
        String str;
        void setStr(String str) {
            this.str = str;
        }
    }
}