What is the output of this program?import java.util.*;public class Output { public static void main(String args[]) { ArrayList object = new ArrayList(); object.add("Y"); object.add("O"); object.add("U"); object.ensureCapacity(3); object.trimToSize(); System.out.println(object.size()); } }

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

1.	What is the output of this program?import java.util.*;public class Output { public static void main(String args[]) { ArrayList object = new ArrayList(); object.add("Y"); object.add("O"); object.add("U"); object.ensureCapacity(3); object.trimToSize(); System.out.println(object.size()); } }
A.	0
B.	1
C.	2
D.	3
E.	None of these
Answer» E. None of these

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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)); } }
What is the output of this program?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()); } }
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 Output { public static void main(String args[]) { ArrayList object = new ArrayList(); object.add("Y"); object.add("O"); object.add("U"); object.ensureCapacity(3); object.trimToSize(); System.out.println(object.size()); } }

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