/*
* Copyright (c) 1995 - 2008 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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*/
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class MethodTroubleReturns {
private void drinkMe(int liters) {
if (liters < 0)
throw new IllegalArgumentException(
"I can't drink a negative amount of liquid");
}
public static void main(String... args) {
try {
MethodTroubleReturns mtr = new MethodTroubleReturns();
Class<?> c = mtr.getClass();
Method m = c.getDeclaredMethod("drinkMe", int.class);
m.invoke(mtr, -1);
// production code should handle these exceptions more gracefully
} catch (InvocationTargetException x) {
Throwable cause = x.getCause();
System.err.format("drinkMe() failed: %s%n", cause.getMessage());
} catch (Exception x) {
x.printStackTrace();
}
}
}
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