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Differences between String[] and listArray

Tutorial by Er Satya connectclue-author-image

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Differences between String[] and ArrayList

String[] is an array of Strings while ArrayList is a generic class that takes different types of objects. Therefore we can only perform normal array operations with String[]. However, we can use additional, convenient utilities such as isEmpty(), iterator, etc with ArrayList since it also implements Collection Interface.

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();
Furthermore, we can sort, clear, addall, and a lot more functions and can use while using an ArrayList. 


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