Demo PreparedStatement Set Bytes

 
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

public class DemoPreparedStatementSetBytes {
  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) throws Exception {
    byte[] shortData = "www.java2s.com".getBytes();
    byte[] longData = "www.java2s.com".getBytes();

    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = getConnection();
      String query = "insert into bytes_table (id, short_data, long_data) values(?, ?, ?)";

      pstmt = conn.prepareStatement(query);
      pstmt.setString(1, "0001");
      pstmt.setBytes(2, shortData);
      pstmt.setBytes(3, longData);

      int rowCount = pstmt.executeUpdate();
      System.out.println("rowCount=" + rowCount);
    } finally {
      pstmt.close();
      conn.close();
    }
  }
}

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Demo PreparedStatement Set Bytes : PreparedStatement « Database SQL JDBC « Java

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