Helpers\Data Data helper contains a bunch of useful methods for looking at and altering your data. Data::pr($data) Returns the data inside a print_r wrapped around pre tags. Data::vd($data) Returns var_dump Data::sl($data) Returns the length of the s
原地址: Home / Database / Oracle Database Online Documentation 11g Release 2 (11.2) / Database Administration Data Types Each value manipulated by Oracle Database has a data type. The data type of a value associates a fixed set of properties with the va
public class Test{ public static void main(String args[]){ String data = " a bc "; //调用string中的方法trim().length()方法 int trim = data.trim().length(); System.out.println("the trim length is "+trim); int length = data.length(); System.out.