Check if a variable is null 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 .

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 .

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.

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.