NoBroker Java Developer Interview Questions and Answers for Freshers

Q1. How do you design metro line for new station
Ans. 
Designing a metro line for a new station involves planning routes, considering passenger flow, and ensuring connectivity.
• Conduct a feasibility study to determine the need for a new station

• Consider factors such as population density, traffic patterns, and potential future growth

• Plan the route to optimize connectivity with existing stations and transportation hubs

• Design the station layout to accommodate passenger flow an...read more
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Q1. How do you learn about our company
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Q2. What should one do in tough times
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It was easy to crack,simple questions asked

They will ask only general topics

Q1. Basic dsa questions asked
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Q2. Sql queries and also about joins
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Q1. Sql related questions
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It was quite good and easy to crack

It was quite easy with basic topics like percentage, profit and loss.

Internet censorship should be implemented or not

90 min, DSA, hacker platform 3 question

Q1. 2D DP WITH SPACE OPTIMIZATION
Ans. 
2D DP with space optimization is a technique to reduce memory usage while solving dynamic programming problems.
• Use a 1D array instead of a 2D array to store values in dynamic programming problems.

• Update the values in the 1D array based on the dependencies between subproblems.

• Example: Solving the longest common subsequence problem using 2D DP with space optimization.
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Q2. GRAPH WITH BFS ON TREE
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Breadth First Search (BFS) on a tree involves visiting nodes level by level starting from the root.
• Start by visiting the root node, then visit all its children before moving on to the next level

• Use a queue data structure to keep track of nodes to visit next

• Repeat the process until all nodes have been visited
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A vs b abstract. I was told that I would be evaluated based on communication and articulation skills

Q1. Tell me about your self
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Q1. Poters 5 force mdodel
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Q2. Describe ansoff matrix
Ans. 
Ansoff Matrix is a strategic planning tool that helps businesses decide their growth strategy by analyzing market penetration, market development, product development, and diversification.
• Ansoff Matrix was developed by Igor Ansoff in 1957.

• It consists of four growth strategies: market penetration, market development, product development, and diversification.

• Market penetration involves selling more of the existing produc...read more
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