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Ranch Hand
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Hi ,

Can anybody explain why in the output I am not getting Italy. All I am seeing in the output is hello world.

 
Rancher
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Because after the second pass through the loop i is 2, while q.size() is 1 since the first two elements have been removed. Modifying a collection that you're iterating through is a dangerous thing to do. If you use an Iterator instead you'll see all elements:



or you can always print the first element in a loop:

 
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