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

Repository navigation

// exceptions/Cleanup.java

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

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

// Guaranteeing proper cleanup of a resource

public class Cleanup {

public static void main(String[] args) {

try {

InputFile in = new InputFile("Cleanup.java");

try {

String s;

int i = 1;

while((s = in.getLine()) != null)

; // Perform line-by-line processing here...

} catch(Exception e) {

System.out.println("Caught Exception in main");

e.printStackTrace(System.out);

} finally {

in.dispose();

}

} catch(Exception e) {

System.out.println(

"InputFile construction failed");

}

/* Output:

dispose() successful