LTIMindtree Interview Questions, Process, and Tips for Freshers

Q1. Difference between final finally finalize
Ans. 
final, finally, and finalize are related keywords in Java with different meanings and usage.
• final is a keyword used to declare constants, variables, methods, and classes that cannot be changed or extended.

• finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.

• finalize is a method used in Java to perform cleanup operations on an object before it
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Q2. Gave code class A { int i = 10; } class B extends A { int i = 20; } public class test{ public static void main (String [] args) { A a = new B(); System.out.println(a.i): } }
Ans. 
The code will output 10 because the variable i is accessed through a reference of class A.
• When a subclass object is assigned to a superclass reference, the superclass reference can only access the superclass members.

• In this case, even though the object is of class B, the variable i is accessed from class A.

• Output: 10
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Q3. Gave code and asked output class A { static int i = 10; public void inc(){ i++; System.out.println(i); } } public class test{ public static void main (String [] args){ A a = new A(); A b = new B(); a.inc...read more
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90 Minutes of MCQ and coding test

Q1. Topics on java8, spring boot, Microservices, MySQL.
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Q2. Explain Streams
Ans. 
Streams in Java are sequences of elements that support functional-style operations.
• Streams allow for processing sequences of elements in a functional style.

• They can be created from various data sources like collections, arrays, or I/O channels.

• Operations on streams can be intermediate (e.g. filter, map) or terminal (e.g. forEach, collect).

• Streams promote parallel processing and lazy evaluation for improved performance.

• ...read more
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Q3. Working of HashMap
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HashMap is a data structure in Java that stores key-value pairs and allows fast retrieval of values based on keys.
• HashMap uses hashing to store key-value pairs, which allows for fast retrieval of values.

• Keys in a HashMap must be unique, but values can be duplicated.

• HashMap allows null keys and null values.

• HashMap is not synchronized, so it is not thread-safe. To make it thread-safe, you can use ConcurrentHashMap.

• Exampl...read more
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Q4. Spring boot annotations
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Q5. Spring security
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SQL and spark code for Fibonacci series

Q1. Pyspark optimization technique
Ans. 
One pyspark optimization technique is using broadcast variables to efficiently distribute read-only data across all nodes.
• Use broadcast variables to efficiently distribute read-only data across all nodes

• Avoid shuffling data unnecessarily by using partitioning and caching

• Optimize data processing by using appropriate transformations and actions
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Q1. Agile questions
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Q1. Tell me about yourself
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Q2. How did you manage your projects in your previous org?
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Maths, communication and logical reasoning

Q1. General round for basic process knowledge
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Q1. Manager round process related
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Q1. Basic to exert process knowledge
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Q1. Salary negotiation
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