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ArrayList has some neat methods, such as add(), remove(), and contains().
An array
String[] cannot expand its size. You can initialize it once giving it a permanent size:String[] myStringArray = new String[10]();
myStringArray[0] = "Test";An ArrayList is variable in size. You can add and remove items dynamically: ArrayList myStringArrayList = new ArrayList();
myStringArrayList.add("Test");
myStringArrayList.remove( 1);
Furthermore, we can sort, clear, addall, and a lot more functions and can use while using an ArrayList.
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