Cedcoss Technologies Interview Questions, Process, and Tips

This round contains 20 MCQ questions of aptitude. Difficulty was easy level

Q1. Explain operator overloading
Ans. 
Operator overloading allows operators to have different meanings based on the operands they work with.
• Operator overloading is a feature in object-oriented programming languages.

• It allows operators such as +, -, *, /, etc. to be redefined for user-defined types.

• For example, the + operator can be overloaded to concatenate two strings or add two numbers.

• Operator overloading can make code more readable and intuitive.

• Howeve...read more
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Q2. Difference between friend class and friend function
Ans. 
Friend class allows access to private and protected members of another class, while friend function allows access to private and protected members of a class.
• Friend class is declared using the 'friend' keyword followed by the class name.

• Friend function is declared using the 'friend' keyword followed by the function prototype.

• Friend class can access private and protected members of the class it is declared as a friend o...read more
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Q3. Explain Scope resolution operator
Ans. 
Scope resolution operator (::) is used to access static members of a class or namespace.
• Used to access static members of a class or namespace

• Used to differentiate between a global identifier and a local identifier

• Can be used to access nested classes or namespaces

• Can be used to access overridden methods in inheritance

• Example: std::cout << 'Hello World';
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Q1. Print * patter of equivalent triangle
Ans. 
To print * pattern of equivalent triangle
• Use nested loops to print the pattern

• The outer loop controls the number of rows

• The inner loop controls the number of * in each row
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Q2. Reverse the words of the given string. Ex. - good to see you output- you see to good
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Q3. Explain ACID properties
Ans. 
ACID properties ensure database transactions are reliable and consistent.
• ACID stands for Atomicity, Consistency, Isolation, and Durability.

• Atomicity ensures that a transaction is treated as a single, indivisible unit of work.

• Consistency ensures that a transaction brings the database from one valid state to another.

• Isolation ensures that concurrent transactions do not interfere with each other.

• Durability ensures that on...read more
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Q4. Few Questions of Exception Handling (Basic level)
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Q1. This will be a final technical round and after this there will be a coding round and a personal interview round
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Test 1 of numerical ability with some (basic) technical questions which contains total 15 questions on google form.

Test 2 of Non technical contains 15 questions from reasoning,verbal section

Q1. What is constructor and constructor overloading?
Ans. 
Constructor is a special method used to initialize objects. Constructor overloading is creating multiple constructors with different parameters.
• Constructor is called when an object is created

• It has the same name as the class

• It can be overloaded by creating multiple constructors with different parameters

• Constructor overloading allows creating objects with different initial values

• Example: public class Person { public Per
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Q2. Java vs other language
Ans. 
Java is a popular language with strong community support and cross-platform compatibility.
• Java is object-oriented and has automatic memory management

• Other languages like C++ require manual memory management

• Java has a large standard library and is used for web development, mobile apps, and enterprise software

• Other languages like Python are popular for data science and machine learning

• Java is compiled to bytecode and run...read more
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Q3. What is Typecasting, difference between jvm and jit
Ans. 
Typecasting is converting one data type to another. JVM is a virtual machine that executes Java bytecode. JIT is a part of JVM that compiles bytecode to machine code at runtime.
• Typecasting is done using casting operators like (int), (float), etc.

• JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.

• JIT stands for Just-In-Time compiler and is a part of JVM that compiles bytecode to machine c...read more
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Q4. What is String constant pool and heap memory
Ans. 
String constant pool is a part of heap memory where Java stores string literals to optimize memory usage.
• String constant pool is a cache of string literals created by the JVM.

• String literals are stored in the pool to optimize memory usage.

• When a new string literal is created, the JVM first checks if it already exists in the pool.

• If it does, a reference to the existing string is returned. If not, a new string is created...read more
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Q5. Explain Class loader and wrapper class?
Ans. 
Class loader loads classes into JVM while wrapper class wraps primitive data types into objects.
• Class loader is responsible for loading classes into JVM at runtime.

• It searches for the class file in the classpath and loads it into memory.

• Wrapper classes are used to wrap primitive data types into objects.

• They provide utility methods to perform operations on primitive data types.

• For example, Integer class wraps int data t...read more
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Q6. She ask me about Family background?
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Q1. He ask totally questions from DSA ?Related to String,array,Max-heap etc
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It was EASY consist of Sections i.e. apptitude and reasoning, verbal,computer programming , and computer science which consist of DBMS, Operating System , etc.

Q1. Simple easy questions were asked!!
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Q2. Introduce yourself,weakness and strength, short term and long term goal etc.
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It was simple and online

Q1. It was offline mode
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Q2. Tell ne about yourself. Are you comfortable in localisation?
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DSA problem
2 coding questions

Subjective questions