Source Code : Demo ResultSet for MySQL

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Demo ResultSet for MySQL

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

public class DemoResultSet_MySQL {
  public static Connection getConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/databaseName";
    String username = "root";
    String password = "root";

    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
      conn = getConnection();
      System.out.println("conn=" + conn);
      // prepare query
      String query = "select id, name, age from employees";
      // create a statement
      stmt = conn.createStatement();
      // execute query and return result as a ResultSet
      rs = stmt.executeQuery(query);
      // extract data from the ResultSet
      while (rs.next()) {
        String id = rs.getString(1);
        String name = rs.getString(2);
        int age = rs.getInt(3);
        System.out.println("id=" + id);
        System.out.println("name=" + name);
        System.out.println("age=" + age);
        System.out.println("---------------");
      }
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    } finally {
      // release database resources
      try {
        rs.close();
        stmt.close();
        conn.close();
      } catch (SQLException e) {
        e.printStackTrace();
      }
    }
  }
}
           
         
    
  

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