L&T Technology Services Software Engineer Interview Questions, Process, and Tips

Q1. Pointers structures
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Q2. Linux data structure
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Q1. Self introduction
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Q1. Question on Object-Oriented Programming Principles
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Q2. What is malloc?
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malloc is a function in C programming used to dynamically allocate memory during runtime.
• malloc stands for 'memory allocation'.

• It is used to allocate a specific amount of memory during program execution.

• The allocated memory is not automatically initialized and must be manually managed.

• Example: int *ptr = (int*) malloc(5 * sizeof(int));
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Q3. What is free ?
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Free refers to something that is given or available without cost or payment.
• Free products or services do not require any payment.

• Free can also refer to freedom or liberty, such as free speech or free will.

• Free can also mean available for use without restrictions, like open-source software.
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Q4. Some coding qusetion
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Q5. What is null pointer ?
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A null pointer is a pointer that does not point to any memory location.
• Null pointers are used to represent that a pointer does not point to a valid object or memory location.

• Attempting to dereference a null pointer can result in a segmentation fault or program crash.

• Null pointers are commonly used in programming languages like C and C++.

• Example: int* ptr = nullptr; // ptr is a null pointer
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Q1. About my college project
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2021 I attended the test

Q1. As a fresher asked me releated to java
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Q1. Just asual as HR questions
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Q1. Explain with examples overloading and overriding
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Overloading is having multiple methods with the same name but different parameters. Overriding is implementing a method in a subclass that is already defined in the parent class.
• Overloading: Same method name with different parameters (e.g. sum(int a, int b) and sum(int a, int b, int c))

• Overriding: Subclass method overrides superclass method (e.g. Animal class with makeSound() method, Cat subclass with makeSound() metho...read more
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Arithmetic, coding decoding, reasoning, time speed distance and others

Q1. Mostly about engineering subject wise, sudo codes
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Q1. Tell me about yourself, strength and weakness
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