A girl plays different roles at different stages of her life, like a daughter, a sister, a wife, a nurse, etc. Similar to that, if a task performs different activities then it is called Polymorphism. For example, a draw method in Java can be used to draw different shapes like Circle,...
Constructor in Java is used in the creation of an Object that is an instance of a Class. Constructor name should be same as class name. It looks like a method but its not a method. It wont return any value. We have seen that methods may return a value. If there is no constructor ...