💬 A class that is declared final cannot be subclassed. This is...

Title: A class that is declared final cannot be subclassed. This is particularly useful. In Java, the String class is a prime example of a final class. The String class is marked as final to ensure that its immutability and security properties are maintained. This design choice prevents any subclass from altering the behaviour or compromising the integrity of String objects. This design allows for performance optimisations and safe usage across multiple threads. The final keyword plays a critical...
Full Transcript: A class that is declared final cannot be subclassed. This is particularly useful. In Java, the String class is a prime example of a final class. The String class is marked as final to ensure that its immutability and security properties are maintained. This design choice prevents any subclass from altering the behaviour or compromising the integrity of String objects. This design allows for performance optimisations and safe usage across multiple threads. The final keyword plays a critical role in maintaining these properties by prohibiting the extension of the String class.
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Uploaded: August 19th 2024
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A class that is declared final cannot be subclassed. This is particularly useful. In Java, the String class is a prime example of a final class. The String class is marked as final to ensure that its immutability and security properties are maintained. This design choice prevents any subclass from altering the behaviour or compromising the integrity of String objects. This design allows for performance optimisations and safe usage across multiple threads. The final keyword plays a critical...