LTIMindtree Software Specialist Interview Questions and Answers

Q1. JAVA COllections, concurrent collections and their differences etc.,
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Q2. Difference between Hash map and arralylist. Internal implementaion of Hashmap,concurrent modificaiton excpetion, streams, AWS lambda etc.,
Ans. 
HashMap is a key-value pair data structure with constant time complexity for basic operations, while ArrayList is a dynamic array with linear time complexity for basic operations.
• HashMap uses hashing to store key-value pairs, allowing for fast retrieval based on keys.

• ArrayList is a resizable array that stores elements in a sequential manner.

• ConcurrentModificationException occurs when a collection is modified while iter...read more
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Q3. Marker interface,
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Q4. Spring boot qualifier annotation, value, etc
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Q5. Serverless etc.,
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Q1. Tell me about yourself.
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Market analyst vision trends basic protocol

Q1. Advance core Java Spring security Api gateway Stream java8
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Q2. Multi thread concept
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Q1. Write some java8 code Multi thread concept File handling
Ans. 
Java8 code for multi-threading and file handling
• Use ExecutorService to create and manage threads

• Use Files class to read/write files

• Example: ExecutorService executor = Executors.newFixedThreadPool(5);

• Example: Files.write(Paths.get("file.txt"), "Hello World".getBytes());
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Q1. Coding Full stack developer
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