Java uses or overrides a deprecated API.

If you receive a message saying "Java uses or overrides a deprecated API" it means that you are using or overriding a method or class that has been marked as deprecated in the Java API. Deprecated methods and classes are those that have been superseded by newer and more efficient alternatives, and are no longer recommended for use.

To fix this issue, you will need to update your code to use the non-deprecated alternatives to the deprecated methods or classes that you are using or overriding. You can find the alternatives in the Java documentation or by searching online.

Here is an example of how you might update your code to use a non-deprecated alternative:

Suppose you have a method that uses the java.util.Date class, which has been deprecated in favor of the java.time.LocalDate class:

public void doSomething() {
  // Use the deprecated Date class
  Date date = new Date();
}

To fix the issue, you can update the code to use the LocalDate class instead:

public void doSomething() {
  // Use the non-deprecated LocalDate class
  LocalDate date = LocalDate.now();
}