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May ont have been initialized?

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ArashB

ArashB

Programmer
Dec 24, 2005
10
CA
I receive the following error

The local variable XXX may not have been initialized

Please let me know what it means and how I can initialize it.
 
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Code: 
int a;

if (b) a = 7;
System.out.println ("This a might not have been initialized (if b is false): " + a);
Use a default value, if appropriate.
For objects you may choose Foo foo = null;, if you can guarantee, it will not stay null, but the compiler doesn't realize.

seeking a job as java-programmer in Berlin:
 
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