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Constructor Chaining In Java with Examples

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Calling a constructor from the another constructor of same class is known as Constructor chaining. The real purpose of Constructor Chaining is that you can pass parameters through a bunch of different constructors, but only have the initialization done in a single place. This allows you to maintain your initialization from a single location, while providing multiple constructors to the user. If we don’t chain, and two different constructors require a specific parameter, you will have to initialize that parameter twice, and when the initialization changes, you’ll have to change it in every constructor, instead of just the one.

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Gregory Sequeira

So one major benefit of this method is that you can avoid null values when accessing that object.

Good stuff!

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