Has-A relationship in Java | Aggregation in Java | Composition in Java

Has-A relationship : Has a relationship in Java is known to be as Composition. It is used for code reusability. Aggregation : If a class have an entity reference, it is known as Aggregation. Aggregation represents HAS-A relationship. Composition: The composition is a design technique in java to implement a has-a relationship. Java Inheritance is used for code reuse purposes and the same we can do by using composition. The composition is achieved by using an instance variable that refers to other objects. 🔰For Complete Core Java 👇👇👇👇👇👇 https://youtube.com/playlist?list=PL-GHuu-evJdYQSm47ESPKvHo8Isu98GjQ 🔰 What is inheritance : https://youtu.be/LYABmEXQFyA 🔰 What is Upcasting : https://youtu.be/7ON3kIsfREw 🔰Interface in java (Full Details) https://youtu.be/EIR82snvCHE 🔰Interface example in java https://youtu.be/ZOI8b5hAYn 🔰Multiple inheritace example using interface https://youtu.be/TNWC7VQsRPU 🔔 Subscribe My Channel : @codeash 🔰 Follow my Social Media Platforms : 🏷Facebook : https://www.facebook.com/codeash 🏷Instagram : https://www.instagram.com/codeash_learningguru/ 🏷YouTube : https://www.youtube.com/c/codeash 🏷Telegram : https://bit.ly/3MNQxYB 🌐 Website : www.codeash.com ✅ Whatsapp Us https://wa.link/r6n3p3 has-a relationship java, has-a relationship java example, has-a relationship example, aggregation has-a relationship, aggregation has-a relationship in java, what is aggregation in java, what is composition in java, example of composition in java, composition example, composition in oops, composition in java, composition in java in hindi, java relationship program, has-a relationship in java example program #hasarelationshipjava #hasarelationshipjavaexample #composition #compositioninjava #aggregation #aggregationinjava