Casting Object to Array in Java [duplicate]

问题

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Closed 6 years ago.

Possible Duplicate:
How to convert object array to string array in Java

I am receiving an Object and casting it into a String array like this:

Object values[] = (Object[])request.getSession().getAttribute("userList");
String[] tmp = new String[values.length];
for(int i = 0; i < tmp.length; ++i) {
     tmp[i] = (String) values[i];
     out.println(tmp[i]);
}

Is there any better and cleaner way to do this?

回答1:

Why not directly casting?

String values[] = (String[])request.getSession().getAttribute("userList");

来源：https://stackoverflow.com/questions/14245533/casting-object-to-array-in-java