Round 1

- Introduce yourself.
- Name a design pattern. Implement Singleton. How to break Singleton.
- Coding question : Given a List of BookNames and number of each Book sold , return the top 10 sold books.
- what is GC, name its types and name the latest GC type is Java 15

Question

Round 1

- Introduce yourself.
- Name a design pattern. Implement Singleton. How to break Singleton.
- Coding question : Given a List of BookNames and number of each Book sold , return the top 10 sold books.
- what is GC, name its types and name the latest GC type is Java 15

Anonym · Accepted Answer

- Implemented Singleton but did not know what breaking it meant.
- Question was clear, type of input was not clear ( will data be streamed or is it just an array of elements ? ). I got confused. Started implementing like an LRU but forgot the specific Queue implementation by Java (as I had moved on to Scala for few years). In spur of moment I thought MaxHeap could solve and started implementing. But time was up.
- answered what GC is and 5 diff types, wasn't aware of latest GC type.

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