Question: Which XXX is needed for enterNumber ( ) to read a value from standard input? public int enterNumber ( ) XXX { int value; value

Which XXX is needed for enterNumber() to read a value from standard input?
public int enterNumber() XXX{
int value;
value = System.in.read();
return value;
}
Question 5 options:
import java.io
throws SystemException
nothing is needed
throws IOException

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