Anh Tran Tuan

Java program to remove duplicates from a given stack

Anh Tran Tuan

Updated on 14-Aug-2024 637 Views

In this article, we’ll explore two methods to remove duplicate elements from a stack in Java. We’ll compare a straightforward approach with nested loops and a more efficient method using a HashSet. The goal is to demonstrate how to optimize duplicate removal and to evaluate the performance of each approach. Problem statement Write a Java program to remove the duplicate element from the stack. Input Stack data = initData(10L); Output Unique elements using Naive Approach: [1, 4, 3, 2, 8, 7, 5] Time spent for Naive Approach: 18200 nanoseconds Unique elements using Optimized Approach: [1, 4, 3, 2, ...