How does java set keywords to search for special offers?

1. First, use the iostream or graphical interface of Java to get the keywords input by the user. Use Java database connection technology or other means to connect to the database that stores special commodity information.

2. Secondly, according to the keywords input by the user, write SQL query statements to retrieve special offers. You can use the LIKE statement for fuzzy matching, or use other conditions to filter the results.

3. Then, using Java database operation technology, execute the query statement and get the query result. You can use the ResultSet object to traverse the result set.

4. Finally, according to the need, use Java output stream, graphical interface or other means to show the query results to users.