[superclass] Forum Topics

<? super Animal> means animal or it's superclass only. Then why inside the method it's allowing to add Dog object even though it's a subclass of Animal? This program compiles and runs! import java.util.*; class Cat {} class Animal{Animal() {System.out.println("Animal constructor");}} class Dog extends Animal{Dog() {System.out.println("Dog constructor");}} public class GenericDemo5 …

General rules is that: 1) A private method cannot be overridden. 2) Subclass method should be a lower access modifier than a overridden superclass method. But the output of the program is "I am Son". Why? Is it because of the rule 2 the output comes? If that's the case …

Hi there. I am currently trying to get my head around using classes across two files. I currently have a super class and a sub class stored in a file and the main function in another. When I try and pass arguments to the class they work fine if the …