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Java > Learn Java > What is constructor-based dependency in Java Spring?
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What is constructor-based dependency in Java Spring?

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a class receives its required dependencies through its constructor arguments, where the Spring framework automatically injects the necessary bean instances when creating an object, ensuring all dependencies are explicitly defined and provided at the time of object creation;
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Constructor-based dependency injection in Java Spring is a way to provide dependencies to a class through its constructor, rather than through setter methods or field injection. In Simple Terms: Spring automatically injects required beans into a class when it creates an object of that class —...
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Constructor-based dependency injection in Java Spring is a way to provide dependencies to a class through its constructor, rather than through setter methods or field injection. In Simple Terms: Spring automatically injects required beans into a class when it creates an object of that class — and with constructor-based injection, it does so via the constructor. read less
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