So, you can do the check with 0 instead. If you want to do the null check. Use Integer wrapper for that.
Read moreCan an integer be null?
Primitive types such as integers and Booleans cannot generally be null , but the corresponding nullable types (nullable integer and nullable Boolean, respectively) can also assume the NULL value.
Read moreHow do you check if an integer is null?
So, you can do the check with 0 instead. If you want to do the null check. Use Integer wrapper for that.
Read moreHow do I check if an integer is null in SQL?
The IS NULL condition is used in SQL to test for a NULL value. It returns TRUE if a NULL value is found, otherwise it returns FALSE. It can be used in a SELECT, INSERT, UPDATE, or DELETE statement.
Read moreHow do you check for null in Optional?
If the argument passed to Optional. ofNullable() is non-null, then it returns an Optional containing the specified value, otherwise it returns an empty Optional.
Read moreWhat is the significance of Optional in Java 8?
So, to overcome this, Java 8 has introduced a new class Optional in java. util package. It can help in writing a neat code without using too many null checks . By using Optional, we can specify alternate values to return or alternate code to run.
Read moreHow do you stop NullPointerException in Java?
Answer: Some of the best practices to avoid NullPointerException are:
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