When testing Java applications that interact with a database, it's often necessary to create test data that can be used to exercise the code being tested. Here are a few options for creating test data in Java for database testing:

1. Manually create test data: You can manually create the test data by writing SQL scripts to insert data into the database. This can be time-consuming and error-prone, especially if you have a large amount of data to create.

2. Use a data generation library: There are several Java libraries available that can generate test data automatically, such as Faker, JavaFaker, and RandomBeans. These libraries can create random data for various data types, including names, addresses, and phone numbers, which can be useful for testing.

3. Use a test data generation tool: There are several test data generation tools available that can generate test data automatically, such as DbUnit and Jailer. These tools can generate test data based on the structure of the database schema, which can be useful for testing complex applications.

4. Use an in-memory database: In-memory databases, such as H2 and HSQLDB, can be used to create test data dynamically during the test run. This approach allows you to create and destroy the test data for each test, ensuring that the test environment is clean and consistent.

Regardless of the approach you choose, it's important to ensure that the test data is consistent and repeatable. This means that each test should start with a clean database and the same set of test data, so that the test results are consistent and reproducible.