import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
public class Main {
private static final String DRIVER = "com.mysql.jdbc.Driver";
private static final String URL = "jdbc:mysql://localhost/yourDatabase";
private static final String USERNAME = "root";
private static final String PASSWORD = "";
public static void main(String[] args) throws Exception {
Class.forName(DRIVER);
Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);
DatabaseMetaData metadata = connection.getMetaData();
int maxLength = metadata.getMaxTableNameLength();
System.out.println("Max Table Name Length = " + maxLength);
connection.close();
}
}