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Architecture Digest

Sep 19, 2023 · Fundamentals

Various Ways to Remove Duplicates from a List in Java Using Set Implementations and Streams

This article demonstrates six different techniques for eliminating duplicate elements from a Java List, including HashSet, TreeSet, LinkedHashSet, iterator-based removal, Stream distinct, and manual contains checks, each with complete code examples and output illustrations.

CollectionsDuplicate RemovalHashSet

0 likes · 7 min read

Various Ways to Remove Duplicates from a List in Java Using Set Implementations and Streams

Selected Java Interview Questions

Nov 13, 2020 · Fundamentals

Various Methods to Remove Duplicates from a Java List and Their Performance Comparison

This article demonstrates five different techniques for eliminating duplicate integers from a Java List—including nested loops, contains checks, HashSet, TreeSet, and Java 8 streams—provides complete source code for each method, and compares their execution times under different random data ranges.

HashSetJavaStream

0 likes · 7 min read

Various Methods to Remove Duplicates from a Java List and Their Performance Comparison