please help me to understand this!!
package com.codegym.task.task05.task0525;
/*
The whole duck isn't enough
*/
public class Solution {
public static void main(String[] args) {
Duck duck1 = new Duck();
Duck duck2 = new Duck();
System.out.println(duck1);
System.out.println(duck2);
Cat cat = new Cat();
Cat cat1 = new Cat();
System.out.println(cat);
System.out.println(cat1);
Dog dog = new Dog();
Dog dog1 = new Dog();
System.out.println(dog);
System.out.println(dog1);
//write your code here
}
public static class Duck {
public String toString() {
return "Duck";
}
}
public static class Cat {
public String toString(){
return "kitty";
}
}
public static class Dog{
public String toString(){
return "bob";
}
}
//write your code here
}