Find the odd one out from the following

In the design and analysis of algorithms, which of the following algorithms is based on the greedy approach?

Data mart types

Which of the following best describes the primary purpose of virtualization in cloud computing? 

Which of the following code snippets correctly implements a singly linked list in Java, including the ability to insert a new node at the beginning?

Which component of a Management Information System (MIS) focuses on long-term strategic planning?                

What is the primary difference between SQL Injection and Command Injection?

What will be the output of the following code snippet demonstrating composition in Java?

class Engine {

void start() {

Which of the following HTTP methods is idempotent and used to completely replace a resource on the server? 

Which of the following design patterns violates the Open/Closed Principle of SOLID principles in object-oriented design?