Deutsche Telekom Software Development Engineer II Interview Questions and Answers

Coding test was a DSA question. Moderate difficulty

Q1. Java related questions
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Q2. Spring related questions
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Q3. Questions related to cloud
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Q1. What challenges have I faced in past
Ans. 
I have faced challenges in managing tight project deadlines and adapting to new technologies.
• Managing tight project deadlines by prioritizing tasks and delegating responsibilities

• Adapting to new technologies by self-learning and seeking help from colleagues

• Handling conflicts within team members by effective communication and conflict resolution skills
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Q2. Design level questions
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Q3. Microservices design questions
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Q1. Teamwork related questions
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Q2. SWOT analysis questions
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Q3. Salary discussion and expectation
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DSA medium level was asked

DSA medium level was aked

Q1. Culture fit round
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Q1. 1. To check if word 1 is an anagram of word 2. 2. Questions around Springboot basics 3. SOLID design principles.
Ans. 
To check if two words are anagrams, compare the sorted characters of each word.
• Sort the characters of both words

• Compare the sorted characters to check if they are equal

• Handle edge cases like different lengths or special characters
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Q1. 1. Multi threading related questions and managerial round.
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Q1. Sql related ques mege into, rank,dense rank,queries of joins etc.
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Q2. Java 8 related ques optional and stream
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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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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Questions were asked

Dsa dp, graphs and many more questions from arrays and linked list were asked