Java 8 interview Questions - Sum of the values of a Map (2021)
This is second part of the interview series on Java 8 Interview questions.
We will discuss a common Java 8 interview question that covers reduce and mapToInt methods.
Question: Sum of the values of a Map(String, Integer).
Java 8 interview Questions - Part 1
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Timestamps:
0:00 Intro
0:27 Problem statement
1:23 Solution 1 using reduce
5:08 Solution 2 using mapToInt