Question
A custom stack implementation has a pop() method that is supposed to remove and return the top element. However, when the stack is empty, calling pop() causes an error (e.g., IndexError if using a list, or NullPointerException if using a linked list without proper checks). What is the most fundamental debugging step to prevent this underflow error?
More IT Operating System Questions
- Which of the following is a characteristic of an intelligent agent?
- The following Python code attempts to call a method from the parent class, but it's using an outdated or incorrect syntax. How should it be corrected? cla...
- The Process Control Block (PCB) does not typically contain which of the following information?
- In a data analysis application, a hash table is used to store key-value pairs for fast lookups. What is the primary goal of a good hash function?
- The following C++ code has a common inheritance-related issue. How can it be debugged to ensure the derived class constructor properly initializes the base...
- Predict the output list1 = ['physics', 'chemistry', 1997, 2000] list2 = [1, 2, 3, 4, 5, 6, 7 ] print "list1[0]: ", list1[0]
- What is the shortcut for 'Undo' in most software?
- In a data analysis workflow, an index is created on a column with very low cardinality (e.g., a 'gender' column). What is a potential consequence of this?
- The concept of demand paging relies on:
- Consider the following binary tree: 5 / \ 3 8 / \ / \ 1 4 6 9 What is the output of an Inorder Traversal (Left, Root, Rig...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)