4 Answers. You can’t compare null to a boolean . They are different types one indicating a null reference pointer and the other one a false/not true value. Thus the answer is: No this expression is not even valid and if it was, it would be false .
Read moreHow do you check whether the object is empty or not in Java?
Properties isEmpty() method in Java with Examples The isEmpty() method of Properties class is used to check if this Properties object is empty or not. Returns: This method returns a boolean value stating if this Properties object is empty or not.
Read moreHow do you stop NullPointerException in Java?
Answer: Some of the best practices to avoid NullPointerException are:
Read moreHow do you stop NullPointerException in Java?
Answer: Some of the best practices to avoid NullPointerException are:
Read moreWhat can help us in avoiding NullPointerException and null checks in Java 8?
Java 8 introduced an Optional class which is a nicer way to avoid NullPointerExceptions. You can use Optional to encapsulate the potential null values and pass or return it safely without worrying about the exception. Without Optional, when a method signature has return type of certain object.
Read moreWhat can help us in avoiding NullPointerException and null checks in Java 8?
Java 8 introduced an Optional class which is a nicer way to avoid NullPointerExceptions. You can use Optional to encapsulate the potential null values and pass or return it safely without worrying about the exception. Without Optional, when a method signature has return type of certain object.
Read moreIs empty and null check in Java?
isEmpty(String str) – Checks if a String is empty (“”) or null. StringUtils. isBlank(String str) – Checks if a String is whitespace, empty (“”) or null.
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