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Planful Interview EXperience | Screening round for experienced
  • Last Updated : 22 May, 2020

Round 1:

  1. What is JVM? What does it do?
  2. What is JIT?
  3. Why String is immutable?
  4. Heap and Stack memory differences?
  5. Difference between + operator and StringBuilder.append() function
  6. Write perfect singleton?
  7. Which data structure do you choose for storing seats in theater?
  8. Advantages and disadvantages of Java Garbage Collection?
  9. Git blame, annotate, fetch, pull, broken commit?
  10. What are the different types of indexes in the database?


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