Expleo Group Interview Questions, Process, and Tips

Verbal logical reasoning java basics

Genaral Gd topics asked in the interview

Q1. Explain about java
Ans. 
Java is a high-level programming language known for its portability, security, and object-oriented features.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

• It is object-oriented, allowing for modular and reusable code.

• Java is known for its strong security features, such as sandboxing and encryption.

• It is widely used for developing web applications, mobile apps, and enter...read more
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Q1. Introduce yourself
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I am a recent graduate with a degree in engineering, eager to learn and grow in the field.
• Recent graduate with a degree in engineering

• Passionate about learning and growing in the field

• Eager to apply theoretical knowledge to practical projects
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Q1. SOM Basics and Fundementals
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Q2. Draw SFD and BMD of cantilever
Ans. 
SFD and BMD of a cantilever are graphical representations of shear force and bending moment along the length of the beam.
• SFD starts from the free end of the cantilever and shows the variation of shear force along the length.

• BMD starts from the fixed end of the cantilever and shows the variation of bending moment along the length.

• At the fixed end of the cantilever, the shear force is zero and the bending moment is maxim...read more
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Q1. What is family background
Ans. 
My family background is diverse and includes a mix of professions and cultural backgrounds.
• My family consists of individuals from various professions such as engineers, teachers, doctors, and business owners.

• We come from different cultural backgrounds including Asian, European, and Middle Eastern.

• Family values education, hard work, and supporting each other through challenges.
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Q2. What are your hobbies
Ans. 
My hobbies include hiking, painting, and playing the guitar.
• Hiking: I enjoy exploring nature trails and challenging myself physically.

• Painting: I find relaxation and creativity in expressing myself through art.

• Playing the guitar: Music is a passion of mine and I love learning new songs and techniques.
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Q1. Basics of machine learning algorithms
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Q1. About my previous projects and process of working
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Logical reasoning, Physics questions, Mathematics, English Proficiency

Social Media, AI, Reservation system etc. (general topics)

Q1. What are errors, types of errors?
Ans. 
Errors are mistakes in a program that prevent it from running correctly.
• Syntax errors: occur when code is not written correctly (e.g. missing semicolon)

• Logic errors: occur when code does not produce the expected output (e.g. incorrect formula)

• Runtime errors: occur during program execution (e.g. division by zero)
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Q2. What are Web Application?
Ans. 
Web applications are software programs that run on web servers and are accessed through web browsers.
• Web applications are accessed through a web browser

• They run on web servers

• They can be accessed from any device with an internet connection

• Examples include online banking systems, social media platforms, and e-commerce websites
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Q3. How much do you know Java? Explain in brief whatever you know.
Ans. 
I have a strong understanding of Java programming language, including object-oriented concepts, data structures, and algorithms.
• Proficient in Java syntax and core concepts such as classes, objects, inheritance, polymorphism, and encapsulation

• Experience with data structures like arrays, linked lists, stacks, queues, and trees in Java

• Familiarity with Java libraries and frameworks like Spring, Hibernate, and JUnit

• Knowledg...read more
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Q1. What is Exception handling in Java?
Ans. 
Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Exceptions are objects that are thrown at runtime when an abnormal condition occurs.

• Try block is used to enclose the code that might throw an exception.

• Catch block is used to handle the exception that is thrown in the try block.

• Finally block is used to execute code regardless of whether an exception is thrown or not.

• Example: ...read more
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Q2. Conditional loops in Java?
Ans. 
Conditional loops in Java are used to execute a block of code repeatedly based on a condition.
• Use 'if' statement to execute a block of code only if a specified condition is true.

• Use 'while' loop to execute a block of code as long as a specified condition is true.

• Use 'for' loop to execute a block of code a specified number of times.
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Q3. Memory types, explain any one
Ans. 
There are different types of memory, such as RAM, ROM, and cache memory.
• RAM (Random Access Memory) is volatile memory that stores data temporarily while the computer is on.

• ROM (Read-Only Memory) is non-volatile memory that stores firmware and cannot be easily modified.

• Cache memory is a small, high-speed memory that stores frequently accessed data for faster retrieval.
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Q1. Tell me about yourself. How about your family, where do you live?
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Q2. Are you ready to relocate?
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Q3. Is CTC okay for you?
Ans. 
Yes, CTC is acceptable for me.
• Yes, CTC is acceptable for me as long as it is within the range I am looking for.

• I am open to discussing the CTC offered and negotiating if needed.

• I value the overall compensation package, including benefits, in addition to the CTC.

• I have researched the market rates for similar positions to ensure the CTC is competitive.
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Q1. What is haahmap
Ans. 
HashMap is a data structure in Java that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap is part of the Java Collections framework.

• It implements the Map interface and uses hashing to store elements.

• Example: HashMap map = new HashMap<>(); map.put("key", 1); int value = map.get("key");
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Q1. What is internal implementation of set
Ans. 
Internal implementation of set is typically based on hash table or balanced tree data structures.
• Sets are typically implemented using hash tables for faster access and retrieval of elements.

• Some sets, like TreeSet in Java, are implemented using balanced trees to maintain elements in sorted order.

• Internal implementation may vary based on the specific set implementation in a programming language.
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