Infosys Java Coding Interview | Infosys Java Coding Round

Published: 15 May 2023
on channel: Chenna Tech Point

2,876

Question 1:
How to Remove Duplicate Elements from an ArrayList using LinkedHashSet?
Input: 1,2,3,2,2,3,1,4,5,6,1,7,8,9,7
Output: 1, 2, 3, 4, 5, 6, 7, 8, 9
Question 2:
2. What is StringJoiner?
Java added a new final class StringJoiner in java.util package. It is used to construct a sequence of characters separated by a delimiter. Now, you can create string by passing delimiters like comma(,), hyphen(-) etc. You can also pass prefix and suffix to the char sequence.
Output: A,B,C
P:Q
A,B,C,P:Q
[A,B,C,P:Q]

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