Immutable options can simplify code and reduce chances of unanticipated and undesired state in objects. I prefer that all of my Java classes provide for immutable objects unless there is a ...

In the code example below, you see the immutable String and the mutable StringBuilder class. Each is being passed as a parameter to a method. Knowing that Java only passes by value, what do you ...

Java strings are created and manipulated through the string class. Once created, a string is immutable -- its value cannot be changed. A string is sequence of characters. A class is a user-defined ...

Records implicitly extend the java.lang.Record class, so you cannot extend another ... Native methods depend on an external state, which goes against the immutable nature of records. public record ...

Immutable objects are handy since they help with thread-safety and even just semantically since for many objects, if you modify it, it shouldn't be considered the same object. For objects of a ...