Welcome to the Interfaces and Packages MCQs Page
Dive deep into the fascinating world of Interfaces and Packages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Interfaces and Packages, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Interfaces and Packages, 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 Interfaces and Packages. 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 Interfaces and Packages. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Interfaces and Packages MCQs | Page 2 of 12
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interface calculate
{
void cal(int item);
}
class display implements calculate
{
int x;
public void cal(int item)
{
x = item * item;
}
}
class interfaces
{
public static void main(String args[])
{
display arr = new display;
arr.x = 0;
arr.cal(2);
System.out.print(arr.x);
}
} interface calculate
{
void cal(int item);
}
class displayA implements calculate
{
int x;
public void cal(int item)
{
x = item * item;
}
}
class displayB implements calculate
{
int x;
public void cal(int item)
{
x = item / item;
}
}
class interfaces
{
public static void main(String args[])
{
displayA arr1 = new displayA;
displayB arr2 = new displayB;
arr1.x = 0;
arr2.x = 0;
arr1.cal(2);
arr2.cal(2);
System.out.print(arr1.x + " " + arr2.x);
}
}interface calculate
{
int VAR = 0;
void cal(int item);
}
class display implements calculate
{
int x;
public void cal(int item)
{
if (item<2)
x = VAR;
else
x = item * item;
}
}
class interfaces
{
public static void main(String args[])
{
display[] arr=new display[3];
for(int i=0;i<3;i++)
arr[i]=new display();
arr[0].cal(0);
arr[1].cal(1);
arr[2].cal(2);
System.out.print(arr[0].x+" " + arr[1].x + " " + arr[2].x);
}
}Suggested Topics
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