Here we will learn about the Java HashMap class with an example along with the functions provided by the Java HashMap class which resides in the Java util package. The Java HashMap class implements the Map interface, which is used for storing key-value pairs. HashMap is represented as HashMap<Key, Value> or HashMap<K, V>, the key…… Continue reading HashMap In Java With Example
Tag: Java Data Structures
Arrays In Java With Example
The array is a data structure provided by Java which holds elements of the same data type with a fixed size.An array can hold elements/ values of the same data type, an example being we can create an array that can store 100 elements of type either int/String/char etc.. We can not have array hold…… Continue reading Arrays In Java With Example
Java ArrayList With Example
ArrayList is a resizable implementation of List interface, ArrayList can also be called as a dynamic Array. Like Array, ArrayList stores similar data type elements which can increase its size dynamically.ArrayList cannot store primitive data types like int and char, it can only store non-primitive data types like Integer, String, etc..The index of the ArrayList…… Continue reading Java ArrayList With Example