“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 we create generic array in Java?
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 manually create an array in Java?
Obtaining an array is a two-step process. First, you must declare a variable of the desired array type. Second, you must allocate the memory to hold the array, using new, and assign it to the array variable . Thus, in Java, all arrays are dynamically allocated.
Read moreHow do you make an array in Java?
How to return an array in Java
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 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 polymorphism with an example?
In simple words, we can define polymorphism as the ability of a message to be displayed in more than one form . A real-life example of polymorphism, a person at the same time can have different characteristics. Like a man at the same time is a father, a husband, an employee.
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