TCS iON Software Engineer Interview Questions and Answers

Q1. SQL Array Oop
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Q2. Array defintiion and uses
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An array is a data structure that stores a collection of elements of the same data type.
• Arrays are used to store multiple values in a single variable.

• Elements in an array are accessed by their index, starting from 0.

• Example: String[] names = {"Alice", "Bob", "Charlie"};
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Q3. Data structures and its uses
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Data structures are used to organize and store data efficiently in computer memory.
• Data structures help in efficient data retrieval, insertion, and deletion operations.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Each data structure has its own advantages and use cases based on the requirements of the application.

• For example, arrays are used for random access to elements, while linked lists
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Q1. Optional class, Stream , Java 8 features
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Q2. Exception handling in java
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Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Use try-catch blocks to handle exceptions

• Use finally block to execute code regardless of exception

• Use throw keyword to manually throw exceptions

• Use throws keyword in method signature to declare exceptions that can be thrown
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Q3. Thread , MultiThreading
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Any other topic of aptitude

Q1. Interview for iam selecting the job role
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Q2. Related to my course
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Q3. Introduction about my self
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It was a simple medium Java code.

There are 20 aptitude questions