What is null mean in java
When a reference variable doesn’t point to any value it is assigned null.
Example : Employee employee;
In the example employee object is not instantiate so it is
pointed no whereWhat is null mean in java
When a reference variable doesn’t point to any value it is assigned null.
Example : Employee employee;
In the example employee object is not instantiate so it is
pointed no wherejava checking for null
Objects.isNull(obj) //returns true if the object is null
Objects.nonNull(obj) //returns true if object is not-null
if(Objects.nonNull(foo) && foo.something()) // Uses short-circuit as well. No Null-pointer Exceptions are thrown.Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
