exception problem

[payal sharma]

public class ThrowsDemo {
static void throwMethod() {
System.out.println("Inside throwMethod.");
throw new IllegalAccessException("demo");
}
public static void main(String args[]) {
try {
throwMethod();
} catch (IllegalAccessException e) {
System.out.println("Caught " + e);
}
}
}
please explain why I am getting this error
C:\JAVA>javac ThrowsDemo.java
ThrowsDemo.java:4: Exception java.lang.IllegalAccessException must be caught, or it must be declared in th
e throws clause of this method.
throw new IllegalAccessException("demo");
^
ThrowsDemo.java:9: Exception java.lang.IllegalAccessException is never thrown in the body of the correspon
ding try statement.
} catch (IllegalAccessException e) {
^
2 errors
Here IllegalAccessException is thrown and caught in Try block.
Please explain this
Thanks in advance

[Mikael Jonasson]

Try changing the method-declaration to:
static void throwMethod() throws IllegalAccessException
This will probably fix both your problems.
/Mike

[Desai Sandeep]

If a method is throwing an Exception, then the method has to be declare that it *throws* an Exception.
Hence, you would need to modify the code as :

<font size=+0><pre>
public class ThrowsDemo { 
    static void throwMethod() throws IllegalAccessException { 
        System.out.println("Inside throwMethod."); 
        throw new IllegalAccessException("demo"); 
    } 
    public static void main(String args[]) { 
        try { 
            throwMethod(); 
        } catch (IllegalAccessException e) { 
            System.out.println("Caught " + e); 
        } 
    } 
} 
</pre></font>

Hope this helps,
Sandeep
SCJP2,OCSD,OCED