OnJava8-Examples/exceptions/AutoCloseableDetails.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// exceptions/AutoCloseableDetails.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

class Reporter implements AutoCloseable {

String name = getClass().getSimpleName();

Reporter() {

System.out.println("Creating " + name);

}

@Override public void close() {

System.out.println("Closing " + name);

}

class First extends Reporter {}

class Second extends Reporter {}

public class AutoCloseableDetails {

public static void main(String[] args) {

try(

First f = new First();

Second s = new Second()

) {

}

/* Output:

Creating First

Creating Second

Closing Second

Closing First