Question

What is the difference between AutoCloseable and Closeable?

(a) Closeable is an interface and AutoCloseable is a concrete class

(b) Closeable throws IOException; AutoCloseable throws Exception

(c) Closeable is a concept; AutoCloseable is an implementation

(d) Closeable throws Exception; AutoCloseable throws IOException

I had been asked this question in homework.

The doubt is from AutoCloseable, Closeable and Flushable Interfaces in section Session Management, JSP & API of Java

Answer 1

The correct option is (b) Closeable throws IOException; AutoCloseable throws Exception

Explanation: Closeable extends AutoCloseable and both are interfaces. Closeable throws IOException and AutoCloseable throws Exception.