Hexagon Software Engineer Interview Questions and Answers

Q1. How GraphQL works in the background
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GraphQL is a query language for APIs that allows clients to request only the data they need.
• GraphQL uses a schema to define the structure of the data available and the operations that can be performed.

• Clients can specify the exact data they need in their query, reducing over-fetching of data.

• GraphQL servers execute the query by resolving the requested data from various data sources.

• GraphQL supports real-time updates th...read more
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Q2. What is your experience on software architecture
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Q1. Diff between malloc & calloc
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Q2. Difference between structure & union ? What is structure padding ?
Ans. 
Structure is a data type that allows storing different types of data in a single variable, while union allows only one type of data. Structure padding is adding empty bytes to align data in memory.
• Structure can store different types of data in a single variable, while union can store only one type of data.

• Example: struct Person { char name[20]; int age; }; union Data { int num; float value; };

• Structure padding is addin...read more
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2 easy questions were there

Q1. Basic oops concept
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Q2. Basic testing questions and coding ques
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Q1. Question on puzzle related to finding time from two sand timers
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Q2. Question on puzzle related to food
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Q1. What is your family background?
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