What is "Is -A " relationship??
Is -a relationship show the inheritance feature of oops in java. It also show the code reusability and only single inheritance is in java. Eg. BMW is a car, lion is a animal bt sachin is a batsman is wrong coz batsman is a crickter
IS-A Relationship :
This refers to inheritance or implementation.
Expressed using keyword “extends”.
Main advantage is code reusability.