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.
Read moreDoes == null work in Java?
Static methods are callable with a reference of the null type. You cannot call non-static methods with a reference of the null type. You can use == and != comparisons with null types in Java .
Read moreDoes == null work in Java?
Static methods are callable with a reference of the null type. You cannot call non-static methods with a reference of the null type. You can use == and != comparisons with null types in Java .
Read moreHow do I stop checking for null in Java?
10 Tips to Handle Null Effectively
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