Welcome to the java util MCQs Page
Dive deep into the fascinating world of java util with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of java util, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of java util, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.
Check out the MCQs below to embark on an enriching journey through java util. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of java util. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
java util MCQs | Page 17 of 18
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import java.util.*;
class vector
{
public static void main(String args[])
{
Vector obj = new Vector(4,2);
obj.addElement(new Integer(3));
obj.addElement(new Integer(2));
obj.addElement(new Integer(6));
obj.insertElementAt(new Integer(8), 2);
System.out.println(obj);
}
} import java.util.*;
class vector
{
public static void main(String args[])
{
Vector obj = new Vector(4,2);
obj.addElement(new Integer(3));
obj.addElement(new Integer(2));
obj.addElement(new Integer(5));
obj.removeAll(obj);
System.out.println(obj.isEmpty());
}
} import java.util.*;
class stack
{
public static void main(String args[])
{
Stack obj = new Stack();
obj.push(new Integer(3));
obj.push(new Integer(2));
obj.pop();
obj.push(new Integer(5));
System.out.println(obj);
}
} import java.util.*;
class hashtable
{
public static void main(String args[])
{
Hashtable obj = new Hashtable();
obj.put("A", new Integer(3));
obj.put("B", new Integer(2));
obj.put("C", new Integer(8));
obj.remove(new String("A"));
System.out.print(obj);
}
} import java.util.*;
class hashtable
{
public static void main(String args[])
{
Hashtable obj = new Hashtable();
obj.put("A", new Integer(3));
obj.put("B", new Integer(2));
obj.put("C", new Integer(8));
System.out.print(obj.toString());
}
} import java.util.*;
class properties
{
public static void main(String args[])
{
Properties obj = new Properties();
obj.put("AB", new Integer(3));
obj.put("BC", new Integer(2));
obj.put("CD", new Integer(8));
System.out.print(obj.keySet());
}
} import java.util.*;
class Bitset
{
public static void main(String args[])
{
BitSet obj = new BitSet(5);
for (int i = 0; i < 5; ++i)
obj.set(i);
System.out.print(obj.get(3));
}
} import java.util.*;
class date
{
public static void main(String args[])
{
Date obj = new Date();
System.out.print(obj);
}
} import java.util.*;
class Bitset
{
public static void main(String args[])
{
BitSet obj1 = new BitSet(5);
BitSet obj2 = new BitSet(10);
for (int i = 0; i < 5; ++i)
obj1.set(i);
for (int i = 3; i < 13; ++i)
obj2.set(i);
obj1.and(obj2);
System.out.print(obj1);
}
} import java.awt.*;
import java.applet.*;
public class myapplet extends Applet
{
Graphic g;
g.drawString("A Simple Applet",20,20);
}Suggested Topics
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