Meta SDE Interview Questions and Answers

Moderate difficult challenge in control

Q1. Describe your project
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Q1. Questions related to Java, Spring, DSA
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Q2. Find the number of consecutive alphabets in a string.
Ans. 
The question asks to find the number of consecutive alphabets in a string.
• Iterate through the string and check if each character is consecutive to the previous one.

• Keep track of the count of consecutive alphabets encountered.

• Return the count at the end.
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Q1. Questions related to Java, Spring, SonarCube, Unit test, SQL index, API Gateway
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Q1. Mostly CTC discussion
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Two DSA problems were given. Moderate level.

Q1. What is API gateway?, Circuit breaker pattern, Load Balancing, Java Stream API, Functional Interfaces, Design patterns.
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Q2. Default and static methods in interface?
Ans. 
Default and static methods in interface allow for method implementation and utility methods in Java interfaces.
• Default methods provide a default implementation for a method in an interface.

• Static methods in interfaces can be called directly on the interface itself.

• Default and static methods were introduced in Java 8.

• Default methods can be overridden by implementing classes.

• Static methods cannot be overridden and are no...read more
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Q1. Project related questions. 1 Coding question.
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Q2. New technologies learnt in last 6 months.
Ans. 
React Native, GraphQL, Docker
• Learned React Native for cross-platform mobile app development

• Explored GraphQL for efficient data fetching and manipulation

• Gained knowledge in Docker for containerization and deployment
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2 programming questions on Java 8 and 2 logical reasoning questions.

Q1. Find longest palindromic substring in a string, basic java and springboot questions.
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Q1. Print all the pairs of anagram present in a list of string, questions on java and Springboot, details of the project you have worked upon.
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