Explore topic-wise MCQs in Technical Programming.

What is the value of the postfix expression 6 3 2 4 + – *:

Consider the usual algorithm for determining whether a sequence of parentheses is balanced.
Suppose that you run the algorithm on a sequence that contains 2 left parentheses and 3 right parentheses (in some order).
The maximum number of parentheses that appear on the stack AT ANY ONE TIME during the computation?

Consider the usual algorithm for determining whether a sequence of parentheses is balanced.
The maximum number of parentheses that appear on the stack AT ANY ONE TIME when the algorithm analyzes: (()(())(())) are

Which of the following applications may use a stack?

 Entries in a stack are “ordered”. What is the meaning of this statement?

Pushing an element into stack already having five elements and stack size of 5 , then stack becomes

In a stack, if a user tries to remove an element from empty stack it is called _________

Process of removing an element from stack is called __________

Process of inserting an element in stack is called ____________

Assuming int is of 4bytes, what is the size of int arr[15];?

What are the disadvantages of arrays?

What are the advantages of arrays?

Which of the following concepts make extensive use of arrays?

When does the ArrayIndexOutOfBoundsException occur?

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[5]);
	}
}

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]);
	}
}

Which of the following is a correct way to declare a multidimensional array in Java?

How do you instantiate an array in Java?

 How do you initialize an array in C?

Which of these best describes an array?