How do you write not equal in HQL?

, <, >, >=, <= to determine if one operand is equal, not equal, less or greater than another operand.
Equality and Comparison Operators – PL/HQL.

= == Equal
<> != Not equal
> Greater than
< Less than
>= Greater than or equal

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How do you use not equal to in HQL?

, <, >, >=, <= to determine if one operand is equal, not equal, less or greater than another operand.
Equality and Comparison Operators – PL/HQL.

= == Equal
<> != Not equal
> Greater than
< Less than
>= Greater than or equal

How does JPA handle null values?

The SQL standard specifies that all NULL values shall be returned before or after all non-null values, and it is up to the database to decide which of the two options to use. The JPA specification states that NULL values during ordering shall be handled in the same manner.
How do I ignore NULL values in JPA?
To avoid including fields with null values in JSON output at the field level, annotate each field with the @JsonInclude(Include. NON_NULL) annotation. If a field has this annotation, it will not be included in the JSON output if its value is null.

To avoid including fields with null values in JSON output at the field level, annotate each field with the @JsonInclude(Include. NON_NULL) annotation. If a field has this annotation, it will not be included in the JSON output if its value is null.
How do you stop a null check in Java?
10 Tips to Handle Null Effectively

  1. Don't Overcomplicate Things.
  2. Use the methods of objects as stream predicates.
  3. Never use a null argument.
  4. Validate arguments from public APIs.
  5. Replace Null with Empty Collections.
  6. Optional Ain't for Fields.
  7. Use Exceptions Instead of Nulls.
  8. Check the Code.