Latest Posts on Java data stuctures
May 7, 2017 19:00 PM
If you want to use Java for data analysis then you will find the input / output is very important. For example, for reading data
from a file and analysing those data with a certain algorithm. After that you may want to print out the results into a new file and use it for
making a fancy visualization.
May 2, 2017 23:00 PM
This guide is on how to use Collections Java API for structuring data and for fast analysis. In fact Java data structures
may handle large datasets in a very efficient way. In this guide you find examples on data structures such as List,
HashMap, LinkedList, TreeMap and Set.
April 4, 2017 19:00 PM
There are many applications in which is necessary read data form a csv, tsp or txt file, and parse this
information in different ways and then print it out transformed in some way. This article guide is on how to read,
transform and print a csv file in Java
April 2, 2017 11:30 PM
A usefull way of organizing information is also by keys and values. For example to the name of a person
correspons his age. A datastructure that implements this function in Java is called HashMap.
March 19, 2017 19:30 PM
In Java there are TreeMaps if you want the data sorted by keys.
But there is also the need to sort the values. This guide
is on how to sort a HashMap in R by values.
March 18, 2017 18:00 PM
One of the most used data structures in Java is also HashMap.
This is becouse sometimes you have to group the values of certain fields in order to have a more
short summarized representation of your data.