📄 dbcon.txt
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import java.sql.Connection;
import java.sql.DriverManager;
public class DbCon {
private String driver = "oracle.jdbc.driver.OracleDriver";
private String url = "jdbc:oracle:thin:@localhost:1521:ANDY";
private static DbCon db;
private Connection conn;
private DbCon() throws Exception {
Class.forName(driver);
conn = DriverManager.getConnection(url, "scott", "tiger");
}
public static Connection getCon() throws Exception {
if (db == null) {
db = new DbCon();
}
return db.conn;
}
}
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