What will be the output of the following Java program?
package pkg;
class display
{
int x;
void show()
{
if (x > 1)
System.out.print(x + " ");
}
}
class packages
{
public static void main(String args[])
{
display[] arr=new display[3];
for(int i=0;i<3;i++)
arr[i]=new display();
arr[0].x = 0;
arr[1].x = 1;
arr[2].x = 2;
for (int i = 0; i < 3; ++i)
arr[i].show();
}
}
Note : packages.class file is in directory pkg;
package pkg;
class display
{
int x;
void show()
{
if (x > 1)
System.out.print(x + " ");
}
}
class packages
{
public static void main(String args[])
{
display[] arr=new display[3];
for(int i=0;i<3;i++)
arr[i]=new display();
arr[0].x = 0;
arr[1].x = 1;
arr[2].x = 2;
for (int i = 0; i < 3; ++i)
arr[i].show();
}
}
A. 0
B. 1
C. 2
D. 0 1 2
Answer: Option C
Related Questions on Interfaces and Abstract Classes
A. A contract specifying a set of methods that a class must implement
B. A class that cannot be instantiated
C. A class that contains only static methods
D. A subclass of the Object class
In Java, can a class implement multiple interfaces?
A. Interfaces cannot be implemented by classes
B. Only abstract classes can implement interfaces
C. No, a class can only implement one interface
D. Yes, a class can implement multiple interfaces
What is the purpose of an abstract class in Java?
A. To declare abstract methods
B. To provide a base class with common methods and fields
C. To make a class final
D. To declare abstract methods
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