Exception in thread "main" java.lang.NoClassDefFoundError
<pre><code>package pack;


public class sample{ 

 public static void main(String input[])
    {

        NumberFormat numberFormat = new DecimalFormat("#,##0.00##");
    System.out.println(numberFormat.format(44533125.00));

    } 
}
</code></pre>

<p>the code is working fine in the current dir.. (c:/myprogram/).</p>

<p>after that i copy the sample.class file and paste it in other dir(d:/myprogram).
i got error while running, like</p>

<pre>
Exception in thread "main" java.lang.NoClassDefFoundError: sample (wrong name: pack/sample)
</pre>

<p>In java .class file can run anywhere right? but why i am not able to run?</p>
