Simplify360 Java Developer Interview Questions and Answers

Q1. Linked list question to detect cycle
Ans. 
Detecting a cycle in a linked list using Floyd's Tortoise and Hare algorithm.
• Use two pointers: slow and fast. Slow moves one step, fast moves two steps.

• If there's a cycle, slow and fast will eventually meet.

• If fast reaches the end (null), there's no cycle.

• Example: In a list 1 -> 2 -> 3 -> 4 -> 2 (cycle), slow and fast meet at 2.
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Q2. Basic questions from JS
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Q1. Some questions related to my projects
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Q2. Some Questions related to my past experience
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Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
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Q2. Exception handling
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The test was very weird one.
They did have planned anything for the test, They came and given a link on bit.ly and given an another link that is in google form for the answers.
And they selection of people for second round is not sensible.

This round was also be a weird.
They give each candidates with different questions.
They told us to write logic on the paper and you can use internet for your reference.
But after this round they announced the results but that is not in genuine one.

Q1. Basic dsa questions predict output
Ans. 
Understanding basic data structures and algorithms is crucial for predicting outputs in coding challenges.
• Data structures like arrays, linked lists, and trees are fundamental.

• Algorithms such as sorting and searching are commonly tested.

• Example: Predicting output of a sorting algorithm on an array.

• Example: Understanding how recursion works in a binary tree traversal.
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Medium level problem,

Q1. Based on resume
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45 min apps and technical question

45 min coding round you can refer net for first 15 min

The aptitude test mainly covered logical reasoning, quantitative aptitude, and basic programming concepts. Questions were of moderate difficulty, with some time-based problem-solving challenges. Practicing common aptitude topics like puzzles, numerical ability, and coding fundamentals can help in preparation.

The group discussion round focused on general topics related to technology, current affairs, and workplace scenarios. The evaluators were looking for clarity of thought, communication skills, and how well candidates could present their points while engaging with others. Staying confident and actively participating helped in getting selected.

Technical mcq from basic of dsa

Question from DSA and time will given to solve it