What is the output of this program?import java.util.*; public class Collection_AlgorithmsExample { public static void main(String args[]) { LinkedList listObject = new LinkedList(); listObject.add(new Integer(2)); listObject.add(new Integer(8)); listObject.add(new Integer(5)); listObject.add(new Integer(1)); Iterator Itr = listObject.iterator(); while(Itr.hasNext()) System.out.print(Itr.next() + " "); } }

What is the output of this program?import java.util.*; public class Co

1.	What is the output of this program? import java.util.*; public class Collection_AlgorithmsExample { public static void main(String args[]) { LinkedList listObject = new LinkedList(); listObject.add(new Integer(2)); listObject.add(new Integer(8)); listObject.add(new Integer(5)); listObject.add(new Integer(1)); Iterator Itr = listObject.iterator(); while(Itr.hasNext()) System.out.print(Itr.next() + " "); } }
A.	25 28 52 31
B.	55 31 28 25
C.	31 55 28 25
D.	28 25 55 31
E.	None of these
Answer» B. 55 31 28 25

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What is the output of below snippet? <pre class="prettyprint lang-c">import java.util.*; public class Map_Example { public static void main(String[] args) { Map<integer object> mapSample = new TreeMap<integer object>(); mapSample.put(4, null); mapSample.put(0, null); mapSample.put(3, null); mapSample.put(2, null); mapSample.put(1, null); System.out.println(mapSample); } } </integer></integer></pre>
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