package com.java2novice.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MyScrollableResultSetEx {
public static void main(String a[]){
Connection con = null;
Statement st = null;
ResultSet rs = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.
getConnection("jdbc:oracle:thin:@<hostname>:<port num>:<DB name>"
,"user","password");
st = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_READ_ONLY);
rs = st.executeQuery("select accno, bal from bank");
System.out.println("ResultSet Curson is at before first: "+rs.isBeforeFirst());
while(rs.next()){
System.out.println(rs.getInt(1)+" "+rs.getDouble(2));
}
//now result set cursor reached the last position
System.out.println("Is After Last: "+rs.isAfterLast());
while(rs.previous()){
System.out.println(rs.getInt(1)+" "+rs.getDouble(2));
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
try{
if(rs != null) rs.close();
if(st != null) st.close();
if(con != null) con.close();
} catch(Exception ex){}
}
}
}
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