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Welcome to the Classes and Methods MCQs Page

Dive deep into the fascinating world of Classes and Methods with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes and Methods, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes and Methods, 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.

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Check out the MCQs below to embark on an enriching journey through Classes and Methods. 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 Classes and Methods. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes and Methods MCQs | Page 23 of 30

Q221.
What is the output of the below Java program?
class SomeClass
{
  char batch = 'A';
}

public class TestingMethods11
{
  public static void main(String[] args)
  {
    SomeClass a1 = new SomeClass();
    System.out.println("Before: " + a1.batch);
    SomeClass a2 = new SomeClass();
    a2.batch = 'B';
    System.out.println("After: " + a1.batch);
  }
}
Discuss
Answer: (b).Before: A
After: A
Q222.
A Java constructor is like a method without ___.
Discuss
Answer: (b).return type
Q223.
The name of a constructor and the name of a class are ___.
Discuss
Answer: (a).Same
Q224.
The placement of a constructor inside a class should be ___.
Discuss
Answer: (c).Anywhere in the class
Discuss
Answer: (d).All of the above
Q226.
Memory is allocated to an object once the execution of ___ is over in Java language.
Discuss
Answer: (b).constructor
Q227.
What is the output of the below Java program?
public class TestingConstructor
{
  void TestingConstructor()
  {
    System.out.println("Amsterdam"); 
  }

  TestingConstructor()
  {
    System.out.println("Antarctica"); 
  }
 
  public static void main(String[] args)
  {
    TestingConstructor tc = new TestingConstructor();
  }
}
Discuss
Answer: (a).Antarctica
Q228.
In Java, a constructor with no parameters or no arguments is called ___ constructor.
Discuss
Answer: (a).Default constructor
Q229.
In Java, a constructor with one or morearguments or parameters is called a ___ constructor.
Discuss
Answer: (b).User-defined constructor or Non-default constructor
Discuss
Answer: (a).does not define a constructor at all.

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