// exceptions/RethrowNew.java

// (c)2021 MindView LLC: see Copyright.txt

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

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

// Rethrow a different object from the one you caught

class OneException extends Exception {

OneException(String s) { super(s); }

}

class TwoException extends Exception {

TwoException(String s) { super(s); }

}

public class RethrowNew {

public static void f() throws OneException {

System.out.println(

"originating the exception in f()");

throw new OneException("thrown from f()");

}

public static void main(String[] args) {

try {

try {

f();

} catch(OneException e) {

System.out.println(

"Caught in inner try, e.printStackTrace()");

e.printStackTrace(System.out);

throw new TwoException("from inner try");

}

} catch(TwoException e) {

System.out.println(

"Caught in outer try, e.printStackTrace()");

e.printStackTrace(System.out);

}

}

}

/* Output:

originating the exception in f()

Caught in inner try, e.printStackTrace()

OneException: thrown from f()

at RethrowNew.f(RethrowNew.java:16)

at RethrowNew.main(RethrowNew.java:21)

Caught in outer try, e.printStackTrace()

TwoException: from inner try

at RethrowNew.main(RethrowNew.java:26)

*/