import java.sql.*;

public class OracleJdbcExample {
    public static void main(String[] args) {
        String jdbcUrl = "jdbc:oracle:thin:@//localhost:1521/xe"; // Replace with your Oracle connection URL
        String username = "biswajit"; // Replace with your username
        String password = "12345"; // Replace with your password

        try {
            // Load the Oracle JDBC driver
            Class.forName("oracle.jdbc.driver.OracleDriver");
            
            // Establish a connection to the Oracle database
            Connection connection = DriverManager.getConnection(jdbcUrl, username, password);

            // Create a statement object
            Statement statement = connection.createStatement();

            // Execute a SQL query
            String sqlQuery = "SELECT * FROM EMP"; // Replace with your table name
            ResultSet resultSet = statement.executeQuery(sqlQuery);

            // Process the query results
            while (resultSet.next()) {
                // Assuming your_table has a column named "column_name"
                String value = resultSet.getString("column_name");
                System.out.println(value);
            }

            // Clean up resources
            resultSet.close();
            statement.close();
            connection.close();
        } catch (ClassNotFoundException e) {
            System.out.println("Oracle JDBC driver not found");
            e.printStackTrace();
        } catch (SQLException e) {
            System.out.println("Failed to connect to the database");
            e.printStackTrace();
        }
    }
}