Understanding Java's Null Literal: Uses And Best Practices
NullPointerException occurs when trying to use a variable with a null value. To avoid it, check for null values: `if (str != null) { ... } else { ... }`. Null literal represents absence of value or reference in Java.
How many of you have encountered a NullPointerException? Today, we would like to discuss the null literal and how it can be used in Java. Feel free to share more in the comments. The null literal in Java represents the absence of a value or a reference that doesn't point to any object. According to my research, the null keyword in java is a literal. It is neither a data type nor an object. Null represents the absence of a value. If you assign a null to an object of string Class, it does not refer to any value in the memory. The null cannot be assigned to primitive data types. The reserved word...