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Java Arrays vs ArrayList Comparison

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Basic Differences: Java array is fixed-sized, ArrayList grows dynamically
Arrays can contain both primitive and non-primitive data types
ArrayList can only contain non-primitive data types
Element Operations: Array elements accessed using square brackets notation
ArrayList provides methods for accessing and modifying elements
ArrayList's add operation has constant O(n) time cost
ArrayUtils class offers simpler array insertion solutions
Appending Elements: Arrays require creating new array and copying elements
ArrayList's add() method works directly with index 0
ArrayUtils.addFirst() can prepend elements at index 0
ArrayUtils.insert() shifts elements after specified index