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whats wrong with this code

 
Greenhorn
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// why i am getting NullPointerException
class a
{
public static void main(String[] args)
{
b[] x = new b[5];
x[0].xx = "ali";
System.out.println(x[0].xx);
}
}
class b
{
String xx;
}
 
Greenhorn
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My guess is u havent initialized the strings in the array correctly.This link might be helpful
http://developer.irt.org/script/4018.htm
 
Sheriff
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// why i am getting NullPointerException

x[0] is null, so you have null.xx which doesn't work.
 
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