Iterate Map in java There are different ways to iterate a map in java. java.util.Map is an…
Java Collection ProblemsA collection of 20 posts
In this article, we will look at 4 different ways to convert a List to Map in…
[the_ad id=”684″] In this article, we will take a look at creating list of arrays in java with…
Shuffling the contents of an ArrayList is a problem which can test the logic of a person…
Many times it happens when you are iterating over an ArrayList and you want to remove items…
Scenario Suppose there is a list of objects. It may happen that you want to delete an…
Suppose I have a list of custom objects, say Employee. The Employee class has two fields namely…
Iterating in reverse order means fetching last element of the map first, second last element at second…
Sorting values means arranging them in a particular order. The order may be ascending or descending. When…