Avoid mutable getters to protect your code's integrity and encapsulation. Learn how to return immutable copies in Java for safer and more predictable coding
Using getters is a significant issue. Exposing internals is a major problem TL;DR: Don't expose your internals and lose control Problems Mutability Unexpected Changes Ripple Effects Thread unsafety Encapsulation Principle violation Solutions Return shallow copies of your collections Context Immutable objects are essential in functional and object-oriented programming. Once created, their state cannot be altered.
Immutable objects Once created, their state cannot be altered. This is key to keeping object integrity and ensuring thread safety in multithreaded applications. Mutable getters allow callers to access and modify the internal state of an object, leading to potential corruption and unexpected behavior. When you break encapsulation, you take responsibility away from an object. Integrity is lost. When you break encapsulation, you take responsibility away from an object. Integrity is lost.
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