SortedMap is a collection framework interface. It guarantees that the entries are kept in ascending key order. This interface is…
The HashMap class is similar to the IdentityHashMap class. The IdentityHashMap implements the Map interface using Hashtable, and when comparing…
What is EnumSet in Java? The EnumSet is a specialized implementation of the Set interface designed for use with enumeration…
AbstractSet is a Java Collection Framework class that implements the Collection interface and extends the AbstractCollection class. It implements the…
The CopyOnWriteArrayList class, which implements the List interface, is introduced in JDK 1.5. It is an enhanced version of ArrayList…
The Java Collection Framework includes the AbstractSequential List class, which implements the Collection interface, and the AbstractCollection class. It is…
This class provides a skeletal implementation of the List interface in order to reduce the effort required to implement this…
The File class represents a file or directory path name in Java. Because file and directory names differ between platforms, naming them with a simple string is insufficient. The File class is used to create files and directories, search for files, delete files, and so on. Fields of File Class…
In Java, an inner class is a class that is declared within another class or interface. To summarize, the same…
MongoDB is a no-SQL database that is document-oriented. MongoDB, which was first released in 2009, successfully replaced rows and columns…