TestMultipleHeritance-Java8

public class TestMultipleHeritance {	 
	interface Client {	 	 
		default BigDecimal calculate(BigDecimal value) {	 	 
		return value.multiply(new BigDecimal(10)).divide(new BigDecimal(100));	 	 
	}	 	 
}	 
	 
interface Sing {	 	 
	default void sing() {	 	 
		System.out.println("I like to sing...");	 	 
	}	 	 
}	

class Person implements Client, Sing {	 	 
	
}

@Test	 	 
public void test() {	 	 
	Person person = new Person();	 	 
	System.out.println(person.calculate(new BigDecimal(1500)));	 	 
	person.sing();	 	 
}