In Java, the generic array cannot be defined directly i.e. you cannot have a parameterized type assigned to an array reference. However, using object arrays and reflection features, you can simulate the generic array creation .
Read moreHow do you return an object in Java?
“In order to return an object from a Java method, you must first declare a variable to hold a reference to the object .” So in this case, Ball is a variable that is a reference to the object. Correct? redBall is a reference to the object created by the new Ball(“red”) statement.
Read moreCan a class return an object?
Yes, a class can have a method that returns an instance of itself .
Read moreWhat does polymorphism in office mean?
In simplest term polymorphism in C++ is using one thing in many forms. The most common example is a human that perform different tasks at different places such as in office he/she is an employee, whereas in market he/she is a customer and in college or school a student.
Read moreWhat is a polymorphism reference?
A polymorphic reference is a variable that can refer to different types of objects at different points in time . It is typically compatible with the class that it refers to. For example, in the following case: Employee employee; The ’employee’ is a reference variable that may refer to an instance of the Employee class.19 Mar 2019
Read moreHow do you make an array in Java?
How to return an array in Java
Read moreWhat do you mean by polymorphism?
Definition of polymorphism : the quality or state of existing in or assuming different forms : such as. a(1) : existence of a species in several forms independent of the variations of sex. (2) : existence of a gene in several allelic forms also : a variation in a specific DNA sequence.
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