Home Tutorial Java Scjp Part1 SCJP Module-1 Question-19


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SCJP Module-1 Question-19
Posted on: July 8, 2010 at 12:00 AM
The sample example given below checks your knowledge of Object class and it also shows that how to store array of Integer object into an array.

Given a sample code:

1 public class Sample {
2 public static void main(String args[]) {
3    Object obj = new Integer[] { 1, 2, 3, 4, 5 };
4        for (String str : (String[]) obj)
5        System.out.print(str);

What will be the result of above code ?

(1)    Compilation error at line number 3
(2)    Compilation error at line number 4  
(3)    Prints 12345
(4)    Raise runtime exception 




It raise the exception java.lang.ClassCastException as Ljava.lang.Integer; cannot be cast to [Ljava.lang.String;


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Posted on: July 8, 2010

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