Static method in Interface in Java

// Java program to demonstrate
// static method in Interface.

interface NewInterface {

    // static method
    static void hello()
    {
        System.out.println("Hello, New Static Method Here");
    }

    // Public and abstract method of Interface
    void overrideMethod(String str);
}

// Implementation Class
public class InterfaceDemo implements NewInterface {

    public static void main(String[] args)
    {
        InterfaceDemo interfaceDemo = new InterfaceDemo();

        // Calling the static method of interface
        NewInterface.hello();

        // Calling the abstract method of interface
        interfaceDemo.overrideMethod("Hello, Override Method here");
    }

    // Implementing interface method

    @Override
    public void overrideMethod(String str)
    {
        System.out.println(str);
    }
}

// Java program to demonstrate scope
// of static method in Interface.

interface PrintDemo {

    // Static Method
    static void hello()
    {
        System.out.println("Called from Interface PrintDemo");
    }
}

public class InterfaceDemo implements PrintDemo {

    public static void main(String[] args)
    {

        // Call Interface method as Interface
        // name is preceding with method
        PrintDemo.hello();

        // Call Class static method
        hello();
    }

    // Class Static method is defined
    static void hello()
    {
        System.out.println("Called from Class");
    }
}