What is the output of this program?import java.util.*; public class vector { public static void main(String args[]) { Vector object = new Vector(6,3); object.addElement(new Integer(9)); object.addElement(new Integer(7)); object.addElement(new Integer(3)); System.out.println(object.capacity()); } }

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

1.	What is the output of this program?import java.util.*; public class vector { public static void main(String args[]) { Vector object = new Vector(6,3); object.addElement(new Integer(9)); object.addElement(new Integer(7)); object.addElement(new Integer(3)); System.out.println(object.capacity()); } }
A.	3
B.	6
C.	9
D.	7
E.	None of these
Answer» C. 9

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What is the output of below snippet?import java.util.*;public class Map_Example{ public static void main(String[] args) { Map mapSample = new TreeMap(); mapSample.put(4, null); mapSample.put(0, null); mapSample.put(3, null); mapSample.put(2, null); mapSample.put(1, null); System.out.println(mapSample); }}
What is the output of this program?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); } }
What is the output of this program?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)); } }
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What is the output of this program?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")); } }
What is the output of this program?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()); } }
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What is the output of this program?import java.util.*; public class vector { public static void main(String args[]) { Vector object = new Vector(6,3); object.addElement(new Integer(9)); object.addElement(new Integer(7)); object.addElement(new Integer(3)); System.out.println(object.capacity()); } }

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