JAVA inheritance, interfaces

JAVA inheritance, interfaces

Interface 1

public interface IAction1 {
    void run();
}

Interface 2

public interface IAction2 {
    void run();
}

Animal

class Animal {public 
    String name; // attribute 
    int age; // Properties     // Default constructor     public Animal () {}     // parameterized constructors     public Animal (String name, int Age) {         this.name = name;         Age = this.age;}     // override the parent class toString     @Override     public String toString () {         return "Animal (" + "name =" + name + '\' '+ ", Age =" + Age +') '; }     // override the parent class equls     @Override     public Boolean the equals (Object obj) {         return super.equals (obj);}     // interface quickly generate     public String getName () {         return name;}     public void the setName (String name) {



















        this.name = name; }
    public int getAge() {
        return age;}
    public void setAge(int age) {
        this.age = age; }
}
​

Dog

// inherited Animal (the extends keyword) 
// Interface IAction1 (keyword the implements) 
public class Animal Dog the extends the implements IAction1 { 
    // parameterized constructor, call the parent class is configured with parameters (call the parent class keyword Super) 
    public Dog ( name String, int Age) { 
        Super (name, Age);} 
    
    @Override 
    public String getName () { 
        return "Dog";}     @Override     public void RUN () {         System.out.println ( "IAction1.run") ;}     // increase the interface 2     public void the addAction (iAction2 iAction2)    {iAction2.run ();}}

MAIN

{the Main class public 
    public static void main (String [] args) { 
        // Example 
        Dog dog = new Dog ( "Akita", 1); 
        // Use internal class object 
        //dog.addAction(new MyClass ()); 
        // this syntax to do three things: new new IAction2 () {....} 
        // 1. create an anonymous class 
        // implements IAction2 2. Interface 
        // 3. return an anonymous class object 
        dog.addAction ( IAction2 new new () { 
            @Override 
            public void RUN () { 
                System.out.println ( "IAction2 RUN");} 
         }); 
        dog.run (); 
   } 
}