Comparable (implements Comparable interface)Ĥ.Those are mostly the same as Pair but have more verbose syntax. On top of the above classes, it provides two more classes for easy representation of pairs. Javatuples support tuples of size up to '10' and for each size, it has provided a tuple implementation like below. Javatuples library is present in the maven central repo, and we can add this dependency to use the library. If you have a dataset which will be assigned only once in a lifetime and its value should not change again, you need a tuple.ģ.That is why tuples aim to replace array completely as they are more efficient in all parameters. Like an array, a tuple is also fixed in size.While array and list are mutable which means you can change their data value and modify their structures, a tuple is immutable.Out of all data structures, a tuple is considered to be the fastest, and they consume the least amount of memory.Lists are designed to store elements of a single type.
A tuple is an object that can contain heterogeneous data.Comparison of Tuples vs Lists/ArraysĪ tuple is often compared with List as it looks very much like a list. So we can say that heterogeneous tuples using a standard data structure is not possible in Java. Whenever required, we can create a class that can act like a tuple.Īlso, in Java, part of the tuple functionality can be written using List or Array but those will not allow us to hold different types of data types by design. Java doesn’t have any such inbuilt data structure to support tuples. For example, give tuple may represent an employee data with name, department, and age. These objects do not necessarily relate to each other in any way, but collectively they will have some meaning.įor example, can be a tuple where each value inside the tuple does not have any relation, but this whole set of values can have some meaning in the application. Converting Tuple to Collection or ArrayĪ tuple can be seen as an ordered collection of objects of different types.
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