MultipleInheritance.java

interface one {
    public void printOne();
}

interface two {
    public void printTwo();
}

interface three extends one, two{
    public void printThree();
}

class Multiple implements three {
    @Override
    public void printOne() {
        System.out.println("ONE");
    }

    @Override
    public void printTwo() {
        System.out.println("TWO");
    }

    @Override
    public void printThree() {
        System.out.println("THREE");
    }

    //Own method
    public void printFour() {
        System.out.println("FOUR");
    }
}

public class MultipleInheritance {
    public static void main(String[] args){
        Multiple m = new Multiple();
        m.printOne();
        m.printTwo();
        m.printThree();
        m.printFour();
    }
}