Codilar Technologies Legal Intern Interview Questions and Answers

It was online 60min test.

It was offline 30 min test.

Q1. Oops,dbms,css,html,dsa,java.
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Q2. It was very friendly .
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Q1. What are the 4 principles of oops?
Ans. 
The 4 principles of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides complex implementation details and only shows the necessary features.

• Polymorphism allows objects to be treated as instances of their parent class.
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Q2. What is the difference between string buffer and string builder?
Ans. 
String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
• String buffer is synchronized, making it thread-safe for use in multi-threaded environments.

• String builder is not synchronized, providing better performance in single-threaded applications.

• String builder is faster than string buffer due to lack of synchronization overhead.

• Example: StringBuffer sb = new StringBuffer(); Str
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Q3. Why strings are immutable?
Ans. 
Strings are immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Example: 'Hello' cannot be changed to 'Hella' directly, a new string must be created.
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Q4. What are the different types of exception in java?
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There are two types of exceptions in Java: checked exceptions and unchecked exceptions.
• Checked exceptions are checked at compile time and must be handled using try-catch or throws keyword.

• Unchecked exceptions are not checked at compile time and include RuntimeException and its subclasses.

• Examples of checked exceptions include IOException, SQLException, and ClassNotFoundException.

• Examples of unchecked exceptions include...read more
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Q5. Explain linear search algorithm.
Ans. 
Linear search is a simple searching algorithm that sequentially checks each element in a list until a match is found.
• Iterate through each element in the list

• Compare the current element with the target value

• Return the index if a match is found, otherwise return -1
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Q6. Difference between JDK jvm and jre
Ans. 
JDK includes JRE and development tools, while JRE includes only the Java Runtime Environment.
• JDK stands for Java Development Kit, which includes JRE and development tools like compilers and debuggers.

• JRE stands for Java Runtime Environment, which includes JVM and libraries necessary to run Java applications.

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

• JDK is used for developing ...read more
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25 MCQ questions online with time limit

Create webapp . Frontend, Backend , data encryption

Easy to medium
profit and loss questions
Permutation and combination

Easy to medium
45 mins

Q1. Basic concept of Oops Java basic
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Q2. Constructor Overloading
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Q3. Operator overloading in Java?
Ans. 
Operator overloading allows operators to be redefined for user-defined types in Java.
• Operator overloading is not supported in Java as it can lead to ambiguity and confusion.

• Java does not allow custom operators to be defined or existing operators to be overloaded.

• Instead of operator overloading, Java provides method overloading where methods with the same name but different parameters can be defined.
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Q4. Define java and it's features
Ans. 
Java is a high-level, object-oriented programming language known for its platform independence and robust 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 robust standard library, which includes tools for networking, I/O, and more

• It supports multithreading, allowing for concurrent e...read more
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Q1. Introduction Present events
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Easy aptitude, 30 min with 20 question

Simple aptitude questions.

Q1. What's your strength ?
Ans. 
My strength lies in my problem-solving skills and ability to learn quickly.
• Strong problem-solving skills

• Quick learner

• Adaptability to new technologies

• Ability to work well under pressure
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Q2. Are you willing to work under pressure?
Ans. 
Yes, I am comfortable working under pressure and have experience delivering high-quality work in tight deadlines.
• I have successfully completed projects with tight deadlines in my previous roles.

• I am able to prioritize tasks effectively and remain focused under pressure.

• I thrive in challenging situations and see them as opportunities to showcase my skills.

• I have experience working on urgent bug fixes and resolving issue
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There were 45 questions in total: 20 questions on aptitude and 25 questions on basic C, C++, and Java.

Q1. TWO person was taking interview , one is HR AND TECHNICAL PERSON , THEY ASK ME TELL ME ABOUT YOUR SELF, WHAT ARE THE QUALITY OF TEAM LEADER, ARE YOU COMFORTABLE IF WE HIRE YOU AS A TESTER AND TECHNICAL ...read more
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Work well on loops and you will do well enough in the interview.

It was good

Q1. Some devs will ask questions
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Salary discusiion