| Constructor Injection | Setter Injection |
|---|---|
| There is no partial injection of dependencies. | There can be a partial injection of dependencies. |
| It does not override the setter injection value. | It overrides the constructor injection value if both are defined. |
| It always creates a new instance if any modification occurs. | It does not create a new instance if we made any changes to it. |
| Using constructor injection is better for too many properties. | Using setter injection is better for few properties. |
| It makes bean class objects as immutable. | It makes bean class objects as mutable. |
