Hello guys,  Java, as a versatile and widely used programming language, offers a plethora of data structures to developers. One of them is L...

How to convert a List to Set in Java Many times we need to convert one collection to another like converting a List to a Set . It's a...

Difference between ArrayList and HashMap in Java One of the most critical differences between the HashMap and ArrayList class is that the ...

Somebody asked me recently, how do you sort a HashSet? For lists, we use the Collections.sort(List) method, but there is nothing for Set. ...

Sometimes you want to create an ArrayList with values , just like you initialize t at the time of declaration, as shown below: int[] prim...

LinkedList class in java.util package provides the addFirst() method to add an element at the start of the linked list (also known as hea...

Hello guys, when it comes to defining data structures in Java, two primary options are at your disposal: records and classes. Each has its u...

Difference between LinkedHashMap and HashMap in Java HashMap and LinkedHashMap are two of the most commonly used Map implementation in Java...

Difference between TreeSet and TreeMap in Java The main difference between TreeMap and TreeSet is that TreeMap is an implementation of ...