Interface CheckedSupplier<V,​E extends Throwable>

Type Parameters:
V - The value returned
E - The exception type thrown
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface CheckedSupplier<V,​E extends Throwable>
A functional interface similar to Supplier, except allowing contained methods to throw exceptions