null is one of JavaScript’s primitive values. It is neither equal to boolean true nor equal to boolean false because it’s value is undefined . The value of null is more inclined towards false even though it is not 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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