import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.ResultSetmetaData;
import?java.sql.SQLException;

public?class?DatabaseStruct?{

	private?final?String?DRIVER?=?“oracle.jdbc.driver.OracleDriver“;
	private?final?String?URI?=?“jdbc:oracle:thin:@192.168.1.6:1521:orcl“;
	private?final?String?NAME?=?“xcww“;
	private?final?String?PASSWORD?=?“1“;

	private?Connection?conn?=?null?;
	private?PreparedStatement?pstmt?=?null?;
	private?ResultSet?rs?=?null?;
	private?ResultSetmetaData?rsm?=?null?;
	
	public?static?void?main（String[]?args）?{
		DatabaseStruct?dbs?=?new?DatabaseStruct（）;
		dbs.getT