DataLabs Interview Experience for Fresher | Java Questions

Technical Round:

Company Name : DataLabs

1. Write a java program to convert char Array to String?
2. Write a java program to reverse a words in a string?
3. Write a java program to check a given number is Even or Odd?
4. Write a java program to find duplicate element in ArrayList?
5. Write a java program to convert String to Double?
6. Write a java program to retriving the elements using Iterator?
7. Write a java Program to connecting database ? Entire Steps?
8. Write a java program for exception handling of various exception like ArithmeticException, IndexOutOfBoundException ?
9. Write a program to check whether  a given element exists in HashSet ?
10. Write a program to sort ArrayList in descending order?

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