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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 5 of 30

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Q41.
Which of the below is not a memory leak solution?
Discuss
Answer: (c).Process restart
Q42.
Garbage Collection can be controlled by a program?
Discuss
Answer: (b).False
Q43.
What is the process of defining two or more methods within same class that have same name but different parameters declaration?
Discuss
Answer: (a).method overloading
Q44.
Which of these can be overloaded?
Discuss
Answer: (c).All of the mentioned
Discuss
Answer: (a).Copy of argument is made into the formal parameter of the subroutine
Q46.
What is the output of the following code?
class Compscibits
{
 public void m1 (int i,float f)
 {
  System.out.println(" int float method");
 }
 
 public void m1(float f,int i);
  {
  System.out.println("float int method");
  }
 
  public static void main(String[]args)
  {
    Compscibits c=new Compscibits();
        c.m1(20,20);
  }
}
Discuss
Answer: (c).compile time error
Q47.
What is the output of this program?
    class overload 
    {
        int x;
  int y;
        void add(int a) 
        {
            x =  a + 1;
        }
        void add(int a, int b)
        {
            x =  a + 2;
        }        
    }    
    class Overload_methods 
    {
        public static void main(String args[])
        {
            overload obj = new overload();   
            int a = 0;
            obj.add(6);
            System.out.println(obj.x);     
        }
   }

a.

5

b.

6

c.

7

d.

8

Discuss
Answer: (c).7
Q48.
What is the output of this program?
    class overload 
    {
        int x;
  int y;
        void add(int a)
        {
            x =  a + 1;
        }
        void add(int a , int b)
        {
            x =  a + 2;
        }        
    }    
    class Overload_methods 
    {
        public static void main(String args[])
        {
            overload obj = new overload();   
            int a = 0;
            obj.add(6, 7);
            System.out.println(obj.x);     
        }
    }

a.

6

b.

7

c.

8

d.

9

Discuss
Answer: (c).8
Q49.
Which of these is used to access a member of class before object of that class is created?
Discuss
Answer: (c).static
Q50.
Which of these is used as a default for a member of a class if no access specifier is used for it?
Discuss
Answer: (a).private

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