Placement Papers - MCQ Practice Questions

What will be the output of the following code? int x = 5; int y = ++x + x++; System.out.println(y);

Which of the following is a characteristic of a good hash function?

If a HashMap has 1000 entries and the load factor is 0.75, at what capacity will it resize?

A system processes 1000 requests per second. If 8% of requests fail and need retry, and each retry takes 2 seconds, approximately how many total seconds are needed to process 10,000 requests including retries (assuming sequential processing)?

Identify the statement that best fits the pattern: All roses are flowers. Some flowers are red. Therefore:

Directions: A man walks 5 km north, then 3 km east, then 2 km south. How far is he from the starting point?

What is the correct way to check if a number is a power of 2?

What is the space complexity of DFS using recursion?

What is eventual consistency in distributed systems?

What is the CAP theorem in distributed systems?

In a system with 100 servers, if each has 99.9% uptime, what is the system's expected uptime?