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POUnreported exceptions in Netbeans: some are, other not
 

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    <p>I'm using the IDE <strong>Netbeans7.3</strong> to develop in <strong>Java</strong>. There is something strange that I cannot explain to myself, so please, help me to understand.</p> <p>I declared to classes. The first inherits from <code>Exception</code>:</p> <pre><code>public class MyParameterException extends Exception{ public MyParameterException(){ super(); } public MyParameterException(String message){ super(message); } } </code></pre> <p>and the second inherits from NullPointerException:</p> <pre><code>public class NullMyParameterException extends NullPointerException{ public NullMyParameterException(){ super(); } public NullMyParameterException(String message){ super(message); } } </code></pre> <p>Now, when I create a method in a class and I write:</p> <pre><code>public void test(String s){ if(s==null) throw new NullMyParameterException("The input string is null."); if(s.trim().isEmpty()) throw new MyParameterException("The input string is empty."); } </code></pre> <p>What seems strange to me is that I get the message <code>unreported exception MyParameterException must be caught or declared to be thrown</code> from the IDE, but nothing is said about the first exception that I could throw in the method.</p> <p>To my knowledge, the method would expected to be declared as follows:</p> <pre><code>public void test(String str) throws MyNullParameterException, MyParameterException </code></pre> <p>but for Netbeans only sufficies:</p> <pre><code>public void test(String str) throws MyParameterException </code></pre> <p>Is this: </p> <ul> <li>An IDE bug.</li> <li>Normal because classes that inherits from <code>NullPointerException</code> are special.</li> <li>...</li> </ul> <p>Please, let me understand.</p>
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    1. USmat_boy
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    1. COplease see this too http://stackoverflow.com/questions/2699580/difference-between-unchecked-exception-or-runtime-exception
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      1. UStgkprog
    2. CO@tgkprog Thank you!
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      1. USmat_boy
 

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