G2.com System Designer Interview Questions and Answers

Q1. I have a question can I do any work for you
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Q2. I have a question can I do work for you
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Q3. I'm logo designer any work for
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Q4. Any works form me
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Q5. Any works for me
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Q1. Just normal question regarding total experience, work culture.
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Q1. Basic technical questions regarding their job profile.
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Q1. How will I travel, when can I join.
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Q1. Salary discussion, joning expectations.
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Q1. Prime number using any popular language
Ans. 
A prime number is a number greater than 1 that can only be divided by 1 and itself.
• Use a loop to check if the number is divisible by any number other than 1 and itself

• Start checking from 2 up to the square root of the number for efficiency

• If the number is only divisible by 1 and itself, it is a prime number
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Q2. Reverse string using any popular language
Ans. 
Reverse a string using popular programming languages
• Use built-in functions like reverse() in Python

• Iterate through the string in reverse order in C++

• Use StringBuilder.reverse() in Java
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Prepared jeneral Aptitude

Technical and coding questions

Round duration - 30 minutes
Round difficulty - Easy

Technical round with questions based on core Java concepts.

Q1. Can we use a static method in an interface?
Ans. 
Similar to Default Method in Interface, the static method in an interface can be defined in the interface, but cannot be overridden in Implementation Classes. To use a static method, Interface name should be instantiated with it, as it is a part of the Interface only.
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Q2. How can we achieve polymorphism in Java?
Ans. 
There are two types of polymorphism in Java: compile-time polymorphism and runtime polymorphism. We can perform polymorphism in java by method overloading and method overriding.
If you overload a static method in Java, it is the example of compile time polymorphism.

Runtime polymorphism or Dynamic Method Dispatch is a process in which a call to an overridden method is resolved at runtime rather than compile-time. In this...read more
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Q3. What is the difference between an abstract class and an interface in Java?
Ans. 
1) Abstract class can have abstract and non-abstract methods. Interface can have only abstract methods. Since Java 8, it can have default and static methods also.
 
2) Abstract class doesn't support multiple inheritance. Interface supports multiple inheritance.

3) Abstract class can have final, non-final, static and non-static variables. Interface has only static and final variables.
 
4) Abstract class can provid...read more
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Bit easy, mostly basic level java questions

Q1. 1. Exception handling in java 2. What is method overriding
Ans. 
Exception handling in Java is a mechanism to handle runtime errors and prevent program termination.
• Java provides try, catch, and finally blocks to handle exceptions.

• Checked exceptions must be caught or declared in the method signature.

• Unchecked exceptions do not need to be caught or declared.

• Example: try { // code that may throw exception } catch (Exception e) { // handle exception }

• Example: try { // code that may thro
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Q1. What are your salary expectations?
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