不需要。需要设环境CLASSPATHClass.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:mbl";
String user="system";
String password="manager";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from contact";
ResultSet rs=stmt.executeQuery(sql);
String url="jdbc:oracle:thin:@localhost:1521:mbl";
String user="system";
String password="manager";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from contact";
ResultSet rs=stmt.executeQuery(sql);
2。在当前环境中引入Oracle的驱动程序,有两种方式:
第一。直接在命令行中加入,如:java -classpath "c:\lib\classes12.jar;." myOracleApp
javac -classpath "c:\lib\classes12.jar;." myOracleApp.java 第二。在机器的环境变量中加入Oracle的驱动程序,也就是在classpath中加入classes12.jar。