How to Check if All Map Values Are the Same

Yatin B.Yatin B.
1 min read

Date: 2025-01-10

This JavaCodeGeeks article details three methods to check if all values in a Java map are identical. The first uses Java 8's Stream API and allMatch() for a concise solution. The second converts map values to a Set; if the Set's size is 1, all values are the same. The third iterates through the values, comparing each to the first; a difference sets a flag. The article compares the performance of each method, considering time complexity and memory usage. Each approach offers trade-offs between readability and efficiency.

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Yatin B.
Yatin B.