

Objects and Collections - Programming
Q1: What will be the output of the program?
import java.util.*;
class I
{
public static void main (String[] args)
{
Object i = new ArrayList().iterator();
System.out.print((i instanceof List)+',');
System.out.print((i instanceof Iterator)+',');
System.out.print(i instanceof ListIterator);
}
}
A Prints: false, false, false
B Prints: false, false, true
C Prints: false, true, false
D Prints: false, true, true
ANS:A - Prints: false, false, false The iterator() method returns an iterator over the elements in the list in proper sequence, it doesn't return a List or a ListIterator object. A ListIterator can be obtained by invoking the listIterator method. |


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