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The Collection framework is found in java.util package includes Linked List. This class is an implementation of the LinkedList data structure, a linear data structure where each element is a separate object with a data part and address part and is not kept in a single location. Pointers and addresses are used to connect the […]
July 24, 2022 | Java | No comments
The java.util package contains the collection foundation component ArrayList. In Java, it offers us dynamic arrays. Although it might be slower than conventional arrays, it can be useful in programs that require a lot of array manipulation. The java.util package contains this class. Java ArrayList class Declaration: crucial things to keep in mind: Duplicate elements […]
July 23, 2022 | Java | No comments
You will frequently wish to repeat the collection’s pieces. You might want to show each element, for instance. Using an iterator—an object that implements either the Iterator or the ListIterator interface—is the simplest way to accomplish this. You can cycle over a collection using an iterator, adding or removing elements as you go. ListIterator is […]
July 22, 2022 | Java | No comments
The Java Collections Framework includes the Collections class in the Java.util.Collections package. The static methods that work with collections or return collections are essentially utilized with the collections class. If the collection or object supplied to the methods is null, all the methods of this class raise the NullPointerException. Syntax: Collections class fields: Following are the […]
July 22, 2022 | Java | No comments
Numerous Interfaces in the Collections framework define the fundamental characteristics of distinct collection classes. Collection Interface: The interface that all classes in the collection framework implement is called the Collection interface. It identifies the methods each collection will contain. To put it another way, the Collection interface creates the basis upon which the collection framework […]
July 21, 2022 | Java | No comments
What is a collection in Java? Java’s Collection framework offers an architecture for storing and managing a collection of objects. All data actions, including searching, sorting, insertion, manipulation, and deletion, are possible with Java Collections. What is the Collection Framework?The Collection framework is an integrated architecture for managing a collection of things. It has: Interfaces […]
July 19, 2022 | Java | No comments
Generics are types that have parameters. The goal is to make it possible for methods, classes, and interfaces to take types (Integer, String, etc., and user-defined types) as a parameter. Generics can be used to build classes that interact with various data types. A generic entity is one that works on a parameterized type, such […]
July 18, 2022 | Java | No comments
What is Java Networking? Connecting two or more computing devices so that we can share resources is the idea behind Java networking. The Java socket programming language offers the ability to transfer data among many computing systems. The application layer is where all network communications for Java programs take place. The J2SE APIs’ java.net package […]
July 16, 2022 | Java | No comments
An object’s state can be transformed into a byte stream through a process known as serialization. Deserialization is the opposite procedure, in which the actual Java object is recreated in memory using a byte stream. This mechanism is used to persist the object. We use the writeObject() function of the ObjectOutputStream class to serialize the […]
July 16, 2022 | Java | No comments
With its I/O package, Java includes a variety of Streams that make it easier for the user to carry out any input-output tasks. For complete I/O operation execution, these streams support all object, data-type, character, and file kinds. Stream: A data stream is a collection of data. A stream in Java is made up of […]
July 14, 2022 | Java | No comments