CommScope Software Developer Interview Questions and Answers

2 programmings on problem solving+ some mcqs on Java + spring boot+ mysql

Q1. Streams question to find the count of integers in a list and return it as 1 : 5, 2 : 3, ..
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Q2. Solid principles + spring theory different questions like jsonignore, pathvaroables, asynchronous communications, normalisation, etc.
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Q3. Questions on core java like oops, final,static, collections, generics
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Q4. Questions on project and each part of your services
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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Q1. How to handle exception?
Ans. 
Handle exceptions by using try-catch blocks to gracefully manage errors in code execution.
• Use try-catch blocks to catch exceptions and handle them appropriately.

• Throw custom exceptions when necessary to provide more specific error information.

• Use finally block to execute code that should always run, regardless of whether an exception is thrown.

• Avoid catching generic exceptions like Exception class, instead catch specif...read more
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Q2. What is inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows for code reusability by creating a new class based on an existing class

• Derived class inherits properties and behaviors of the base class

• Supports the 'is-a' relationship, where a derived class is a specialized version of the base class
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Q1. What is method overloading and overriding
Ans. 
Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs in a subclass when a method has the same name, return type, and parameters as ...read more
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Q2. Program to swap two variables without using third
Ans. 
Swapping two variables without using a third variable
• Use XOR operation to swap two variables without using a third variable

• Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
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Q1. Why you want to join this organization
Ans. 
I am impressed by the organization's innovative projects and collaborative work culture.
• Impressed by innovative projects

• Attracted to collaborative work culture

• Excited about potential for growth and learning opportunities
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Q2. What is your weakness and strength
Ans. 
My weakness is overthinking and my strength is attention to detail.
• Weakness: tend to overthink situations, which can lead to indecision or unnecessary stress

• Strength: strong attention to detail, ensuring accuracy and quality in my work

• Example: I sometimes spend too much time analyzing a problem before taking action, but I have learned to set deadlines for myself to prevent this from affecting my productivity
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Q1. What are the things that u do when your what app screen is blank
Ans. 
I would check for internet connection, restart the app, clear cache, and update the app.
• Check internet connection

• Restart the app

• Clear cache

• Update the app
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Q2. Simple python code
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Test had 2 sections..first section had 3 subsections with quants,verbal and logicals.2nd section is an English writing skill round where they give u a topic and u have to write ur views on it more than 200 words

Gd has the basic rules..they give a topic and u have to discuss on that

Q1. Hr asks you questions on your project,the programming language ur strong in and may be few code solving questions
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Q1. HR round tests your flexibility and adaptability skills.
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No too easy tests c++ oops concepts

Q1. Be thorough with data structures
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Be thorough with oops and core cs subjects