1.
Which of these best describes an array?
Answer: Option 'B'
Container of objects of similar types
Array contains elements only of the same type.
2.
How do you instantiate an array in Java?
Answer: Option 'B'
Note that option b is declaration whereas option c is to instantiate an array.
3.
What is the output of the following piece of code?
public class array
{
public static void main(String args[])
{
int []arr = {1,2,3,4,5};
System.out.println(arr[2]);
System.out.println(arr[4]);
}
}
Answer: Option 'A'
Array indexing starts from 0.
4.
When does the ArrayIndexOutOfBoundsException occur?
Answer: Option 'B'
ArrayIndexOutOfBoundsException is a run-time exception and the compilation is error-free.
5.
How do you initialize an array in C?
Answer: Option 'C'
This is the syntax to initialize an array in C.