If you make any changes in the volume, then the same changes will reflect in class B. Hence, we can say both the classes are highly dependent on each other and are tightly coupled. Explanation: In the above example, class A and class B are bound together and work with each other as a team. The following table lists the differences between loose coupling and tight coupling. In a nutshell, loose coupling in Java is much better as compared to tight coupling. It provides better flexibility and reusability of code.
As the two classes are independent of each other, it makes changes in the code very easy. It also provides better testability. Data Science. Data Science All Courses M. Sc in Data Science — University of Arizona. Software Engineering All Courses M. Table of Contents. Related Articles. How to use NamedParameterJdbcTemplate in spring using named parameters with example.
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You have to do Login for More! Read, Write and Share your books with Friends and World. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. In the above program Subject class is tightly coupled with Topic class it means if any change in the Topic class requires Subject class to change.
For example, if Topic class understand method change to gotit method then you have to change the startReading method will call gotit method instead of calling understand method. Explanation: In the above example, there is a strong inter-dependency between both the classes. If there is any change in Box class then they reflects in the result of Class Volume.
It means Topic is an interface and we can inject any of the implemented classes at run time and we can provide service to the end user. If we change anything in the Box classes then we dont have to change anything in Volume class. Which is better tight coupling or loose coupling? In general, Tight Coupling is bad in but most of the time, because it reduces flexibility and re-usability of code, it makes changes much more difficult, it impedes test ability etc.
If you design with loosely coupled architecture, only a few parts of the application should be affected when requirements change. Lets have a look on the pictorial view of tight coupling and loose coupling: Difference between tight coupling and loose coupling Tight coupling is not good at the test-ability.
Manav 7 7 silver badges 18 18 bronze badges. Nikhil Kamani Nikhil Kamani 3 3 silver badges 9 9 bronze badges. Among a ton of other things, Spring indeed provides dependency injection which is useful mainly to make the code easily testable, and to make AOP possible. There are thousands of resources online about this.
Read en. Add a comment. Active Oldest Votes. Improve this answer. Valerio Vaudi Valerio Vaudi 3, 2 2 gold badges 21 21 silver badges 22 22 bronze badges. Although the book is 15 years old, it explains why Spring was being created. Thanks Valerio for answer — Nikhil Kamani. Sign up or log in Sign up using Google. Sign up using Facebook.
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