Web Reference: From Java 10, you can use the var keyword to declare an ArrayList variable without writing the type twice. The compiler figures out the type from the value you assign. Mar 17, 2026 · Explanation: This program creates an ArrayList of integers, adds elements to it using the add () method, and stores them dynamically. Finally, it prints the elements in insertion order as [1, 2, 3]. Dec 14, 2024 · In this quick article, we had a look at the ArrayList in Java. We showed how to create an ArrayList instance, and how to add, find, or remove elements using different approaches.
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