What is the difference between List and Array in Java?
Apr 25, 2024 · 72 In general (and in Java) an array is a data structure consisting of sequential memory storing a collection of objects. List is an interface in Java, which means that it may have multiple …
java - what is the difference between a list and an arraylist
Sep 4, 2012 · Vector is another List, much like an ArrayList in that its implementation is based on a dynamic array; it's, however, a relic of the older versions of Java and is guaranteed to be thread-safe …
java - How do I know whether to use an array or an arraylist? - Stack ...
Jul 21, 2014 · One more difference on Array vs ArrayList is that you can create instance of ArrayList without specifying size, Java will create Array List with default size but its mandatory to provide size …
Array or List in Java. Which is faster? - Stack Overflow
Apr 4, 2009 · Array vs. List choice is not so important (considering performance) in the case of storing string objects. Because both array and list will store string object references, not the actual objects.
java - What is a List vs. an ArrayList? - Stack Overflow
Where ArrayList is "random" access, meaning that it directly finds a specific element of the array without iterating through the whole list, LinkedList does have to start from the first element and go one-by …
Type List vs type ArrayList in Java - Stack Overflow
Feb 17, 2010 · However, in the Java library, the List interface is common to both the ArrayList and the LinkedList class. In particular, it has get and set methods for random access, even though these …
java - Array vs ArrayList in performance - Stack Overflow
Oct 16, 2013 · ArrayList is internally backed by Array in Java, any resize operation in ArrayList will slow down performance as it involves creating new Array and copying content from old array to new array. …
java - Should I use ArrayList<?> or List<?> - Stack Overflow
Jul 18, 2012 · List is an interface and ArrayList is an implementation of the List interface. The ArrayList class has only a few methods in addition to the methods available in the List interface. Have a look at …
java - Lists vs Arrays - when to use what? - Stack Overflow
Sep 7, 2012 · They eat a little more memory and add a small overhead compared to arrays, but offer a much richer API and generally code written agains an interface is much better reusable/flexible than …
What is the difference between an Array, ArrayList and a List?
Closed 10 years ago. I am wondering what the exact difference is between a Array, ArrayList and a List (as they all have similar concepts) and where you would use one over the other. Example: Array For …