If you want an integer to be able to be null, you need to use Integer instead of int . @sharonHwk “person == null” should be the better option. If person is null, it won’t have a “equal” method, then “person. equals(null)” throws.
Read moreWhat is the difference between Optional and null check in Java 8?
In a nutshell, the Optional class includes methods to explicitly deal with the cases where a value is present or absent. However, the advantage compared to null references is that the Optional class forces you to think about the case when the value is not present .
Read moreWhat is the difference between Optional and null check in Java 8?
In a nutshell, the Optional class includes methods to explicitly deal with the cases where a value is present or absent. However, the advantage compared to null references is that the Optional class forces you to think about the case when the value is not present .
Read moreHow do you check for null?
How to Test for NULL Values?
Read moreHow do you check for null?
How to Test for NULL Values?
Read moreIS null == null in Java?
out. println(“(Object)string == number: ” + ((Object)string == number)); To conclude this post and answer the titular question Does null equal null in Java? the answer is a simple yes .
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