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Java program to implement multiple-inheritance using the interface

// Java program to implement multiple-inheritance 
// using the interface

interface Inf1 {
  void sayHello1();
}

interface Inf2 {
  void sayHello2();
}

class Sample implements Inf1, Inf2 {
  public void sayHello1() {
    System.out.println("Hello World1");
  }

  public void sayHello2() {
    System.out.println("Hello World2");
  }
}

public class Main {
  public static void main(String[] args) {
    Sample S = new Sample();

    S.sayHello1();
    S.sayHello2();
  }
}

Output

Hello World1
Hello World2