Абстрактният клас може да наследи само един клас или един абстрактен клас наведнъж
class Example1{
public void display1(){
System.out.println("display1 method");
}
}
abstract class Example2{
public void display2(){
System.out.println("display2 method");
}
}
abstract class Example3 extends Example1{
abstract void display3();
}
class Example4 extends Example3{
public void display3(){
System.out.println("display3 method");
}
}
class Demo{
public static void main(String args[]){
Example4 obj=new Example4();
obj.display3();
}
}
//first interface
interface Example1{
public void display1();
}
//second interface
interface Example2 {
public void display2();
}
//This interface is extending both the above interfaces
interface Example3 extends Example1,Example2{
}
class Example4 implements Example3{
public void display1(){
System.out.println("display2 method");
}
public void display2(){
System.out.println("display3 method");
}
}
class Demo{
public static void main(String args[]){
Example4 obj=new Example4();
obj.display1();
}
}