48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
// exceptions/RethrowNew.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Rethrow a different object from the one you caught
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class OneException extends Exception {
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OneException(String s) { super(s); }
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}
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class TwoException extends Exception {
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TwoException(String s) { super(s); }
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}
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public class RethrowNew {
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public static void f() throws OneException {
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System.out.println(
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"originating the exception in f()");
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throw new OneException("thrown from f()");
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}
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public static void main(String[] args) {
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try {
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try {
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f();
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} catch(OneException e) {
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System.out.println(
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"Caught in inner try, e.printStackTrace()");
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e.printStackTrace(System.out);
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throw new TwoException("from inner try");
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}
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} catch(TwoException e) {
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System.out.println(
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"Caught in outer try, e.printStackTrace()");
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e.printStackTrace(System.out);
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}
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}
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}
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/* Output:
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originating the exception in f()
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Caught in inner try, e.printStackTrace()
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OneException: thrown from f()
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at RethrowNew.f(RethrowNew.java:16)
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at RethrowNew.main(RethrowNew.java:21)
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Caught in outer try, e.printStackTrace()
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TwoException: from inner try
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at RethrowNew.main(RethrowNew.java:26)
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*/
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