Checking for a Warning Using a Statement Object : SQLException Warning « Database « Java Tutorial

1. Java Tutorial
2. Database
3. SQLException Warning

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;

public class Main {
  public static void main(String[] args) throws Exception {

    // Get warnings on Statement object
    Connection conn = null;
    Statement stmt = null;
    try {
      conn = getConnection(); // get a java.sql.Connection object
      stmt = conn.createStatement(); // create a statement

      // use the statement

      // get warnings on Statement object
      SQLWarning warning = stmt.getWarnings();
      if (warning != null) {
        // Process statement warnings
      }
    } catch (SQLException e) {
      // ignore the exception
    } finally {
      // close JDBC resources: ResultSet, Statement, Connection
    }

  }

  private static Connection getConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    String url = "jdbc:hsqldb:mem:data/tutorial";

    return DriverManager.getConnection(url, "sa", "");
  }
}