Which of these classes is not part of Java s collection framework?

1.	Which of these classes is not part of Java s collection framework?
A.	Stack
B.	Queue
C.	Array
D.	Maps
E.	None of these
Answer» E. None of these

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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>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class TreeSet_Example { public static void main(String args[]) { TreeSet object = new TreeSet(); object.add("7"); object.add("0"); object.add("9"); object.add("5"); object.add("6"); System.out.println(object); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class vector_Example { public static void main(String args[]) { Vector object = new Vector(6,3); object.addElement(new Integer(5)); object.addElement(new Integer(7)); object.addElement(new Integer(9)); System.out.println(object.elementAt(2)); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class Map_Exmple { public static void main(String args[]) { TreeMap object = new TreeMap(); object.put("I", new Integer(9)); object.put("L", new Integer(12)); object.put("U", new Integer(21)); System.out.println(object.entrySet()); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class Map_Example { public static void main(String args[]) { HashMap object = new HashMap(); object.put("I", new Integer(9)); object.put("L", new Integer(12)); object.put("U", new Integer(21)); System.out.println(object.get("L")); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class Map_Example { public static void main(String args[]) { HashMap object = new HashMap(); object.put("D", new Integer(4)); object.put("E", new Integer(5)); object.put("F", new Integer(6)); System.out.println(object.keySet()); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class Map_Example { public static void main(String args[]) { HashMap object = new HashMap(); object.put("D", new Integer(4)); object.put("E", new Integer(5)); object.put("F", new Integer(6)); System.out.println(object); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class hashtable_Example { public static void main(String args[]) { Hashtable object = new Hashtable(); object.put("I", new Integer(10)); object.put("L", new Integer(60)); object.put("U", new Integer(25)); System.out.print(object.contains(new Integer(25))); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class properties_Example { public static void main(String args[]) { Properties object = new Properties(); object.put("PQ", new Integer(23)); object.put("SR", new Integer(46)); object.put("UV", new Integer(25)); System.out.print(object.keySet()); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">import java.util.*; public class hashtable_Example { public static void main(String args[]) { Hashtable object = new Hashtable(); object.put("P", new Integer(12)); object.put("Q", new Integer(21)); object.put("R", new Integer(18)); System.out.print(object.toString()); } } </pre>

Which of these classes is not part of Java s collection framework?

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