• Java - Packages

    Categories: Java 8(JDK1.8) ||

    Packages are used in Java in order to prevent naming conflicts, to control access, to make searching/locating and usage of classes, interfaces, enumerations and annotations easier, etc.A Package can b

  • Java - Overriding

    Categories: Java 8(JDK1.8) ||

    The benefit of overriding is: ability to define a behavior that's specific to the subclass type, which means a subclass can implement a parent class method based on its requirement.In object-oriented

  • Declaring Interfaces In Java

    Categories: Java 8(JDK1.8) ||

    The interface keyword is used to declare an interface. Here is a simple example to declare an interface −ExampleFollowing is an example of an interface −/* File name : NameOfInterface.java */impor

  • Java - Interfaces

    Categories: Java 8(JDK1.8) ||

    An interface is a reference type in Java. It is similar to class. It is a collection of abstract methods. A class implements an interface, thereby inheriting the abstract methods of the interface.Alon

  • Java - Abstraction

    Categories: Java 8(JDK1.8) ||

    Abstraction is the quality of dealing with ideas rather than events. For example, when you consider the case of e-mail, complex details such as what happens as soon as you send an e-mail, the protocol

  • Explore Some Vital Factors about Quantitative Aptitude

    Categories: Aptitude ||

    Explore Some Vital Factors about Quantitative Aptitude Quantitative aptitude is a vital and inseparable part of Indian aptitude exams as it examines the aspirants’ quantitative skills besides t

  • How does load balancing work in Cloud Computing?

    Categories: Cloud Computing ||

    How does load balancing work in Cloud Computing?   Here, load refers to not only the website traffic but also includes CPU load, network load and memory capacity of each server. A load balancin

  • Java Polymorphism

    Categories: Java 8(JDK1.8) ||

    Polymorphism means "many forms", and it occurs when we have many classes that are related to each other by inheritance.Like we specified in the previous chapter; Inheritance lets us inherit attributes

  • Java Inheritance

    Categories: Java 8(JDK1.8) ||

    Java Inheritance (Subclass and Superclass)In Java, it is possible to inherit attributes and methods from one class to another. We group the "inheritance concept" into two categories:1. subclass (child

  • Java Packages

    Categories: Java 8(JDK1.8) ||

    A package in Java is used to group related classes. Think of it as a folder in a file directory. We use packages to avoid name conflicts, and to write a better maintainable code. Packages are divided

  • Java Encapsulation

    Categories: Java 8(JDK1.8) ||

    EncapsulationThe meaning of Encapsulation, is to make sure that "sensitive" data is hidden from users. To achieve this, you must:declare class variables/attributes as privateprovide public get and set

  • Java Constructors

    Categories: Java 8(JDK1.8) ||

    A constructor in Java is a special method that is used to initialize objects. The constructor is called when an object of a class is created. It can be used to set initial values for object attributes

  • Static vs. Non-Static Java

    Categories: Java 8(JDK1.8) ||

    A method in Java is a collection of statements with a name or a method name that are grouped together to perform a task. You can execute the group of statements by calling the method by its name.1. Su

  • Java Class Methods

    Categories: Java 8(JDK1.8) ||

    You learned from the Java Methods chapter that methods are declared within a class, and that they are used to perform certain actions:ExampleCreate a method named myMethod() in Main:public c

  • Java Class Attributes

    Categories: Java 8(JDK1.8) ||

    In the previous chapter, we used the term "variable" for x in the example (as shown below). It is actually an attribute of the class. Or you could say that class attributes are variables within a clas

  • What is OOP in Java ?

    Categories: Java 8(JDK1.8) ||

    Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic. An object can be defined as a data field that

  • Meaning of Java Recursion

    Categories: Java 8(JDK1.8) ||

    Recursion is the technique of making a function call itself. This technique provides a way to break complicated problems down into simple problems which are easier to solve.Recursion may be a bit diff

  • Define of Java Scope

    Categories: Java 8(JDK1.8) ||

    In Java, variables are only accessible inside the region they are created. This is called scope.Method ScopeVariables declared directly inside a method are available anywhere in the method following t

  • Return Values In JAva

    Categories: Java 8(JDK1.8) ||

    The void keyword, used in the examples above, indicates that the method should not return a value. If you want the method to return a value, you can use a primitive data type (such as int, char, etc.)

  • Java Method Parameters

    Categories: Java 8(JDK1.8) ||

    Parameters and ArgumentsInformation can be passed to methods as parameter. Parameters act as variables inside the method.Parameters are specified after the method name, inside the parentheses. You can

  • Define Java Methods

    Categories: Java 8(JDK1.8) ||

    A method is a block of code which only runs when it is called. You can pass data, known as parameters, into a method. Methods are used to perform certain actions, and they are also known as functions.

  • Break statement in Java

    Categories: Java 8(JDK1.8) ||

    Break Statement is a loop control statement that is used to terminate the loop. As soon as the break statement is encountered from within a loop, the loop iterations stop there, and control returns fr

  • Continue Statement in Java

    Categories: Java 8(JDK1.8) ||

    Suppose a person wants code to execute for the values as per the code is designed to be executed but forcefully the same user wants to skip out the execution for which code should have been executed a

  • Components of do-while Loop

    Categories: Java 8(JDK1.8) ||

    A. Test Expression: In this expression, we have to test the condition. If the condition evaluates to true then we will execute the body of the loop and go to update expression. Otherwise, we will exit

  • Java do-while loop with Examples

    Categories: Java 8(JDK1.8) ||

    Loops in Java come into use when we need to repeatedly execute a block of statements. Java do-while loop is an Exit control loop. Therefore, unlike for or while loop, a do-while check for the conditio

  • Java while loop with Examples

    Categories: Java 8(JDK1.8) ||

    Java while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. The while loop can be thought of as a repeating if statement. While loop in J

  • Loops in Java

    Categories: Java 8(JDK1.8) ||

    Looping in programming languages is a feature which facilitates the execution of a set of instructions/functions repeatedly while some condition evaluates to true. Java provides three ways for executi

  • Packages In Java

    Categories: Java 8(JDK1.8) ||

    Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for:Preventing naming conflicts. For example there can be two classes with name Employe

  • Setting up the environment in Java

    Categories: Java 8(JDK1.8) ||

    Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, etc. Java applications are typically compiled to bytecode that can run on any Java virtual mac

  • Similarities and Difference between Java and C++

    Categories: Java 8(JDK1.8) ||

    1. Execution: At compile-time, Java source code or .java file is converted into a bytecode or .class file. At runtime, JVM (Java Virtual Machine) will load the .class   file and will convert

  • Differences between JDK, JRE and JVM

    Categories: Java 8(JDK1.8) ||

    Java Development Kit (JDK) is a software development environment used for developing Java applications and applets. It includes the Java Runtime Environment (JRE), an interpreter/loader (Java), a comp

  • Scope of Variables In Java

    Categories: Java 8(JDK1.8) ||

    Scope of a variable is the part of the program where the variable is accessible. Like C/C++, in Java, all identifiers are lexically (or statically) scoped, i.e.scope of a variable can determined at co

  • Types of Variables in Java

    Categories: Java 8(JDK1.8) ||

    Now let us discuss different types of variables which are listed as follows: 1. Local Variables2. Instance Variables3. Static Variables1. Local Variables A variable defined within a block or

  • Variables in Java

    Categories: Java 8(JDK1.8) ||

    Variable in Java is a data container that saves the data values during Java program execution. Every variable is assigned a data type that designates the type and quantity of value it can hold. A vari

  • Operators in Java

    Categories: Java 8(JDK1.8) ||

    Java provides many types of operators which can be used according to the need. They are classified based on the functionality they provide. Some of the types are:1. Arithmetic Operators2. Unary Operat

  • Java Identifiers

    Categories: Java 8(JDK1.8) ||

    In programming languages, identifiers are used for identification purposes. In Java, an identifier can be a class name, method name, variable name, or label. For example :  public class Test

  • Data types in Java

    Categories: Java 8(JDK1.8) ||

    Data types are different sizes and values that can be stored in the variable that is made as per convenience and circumstances to cover up all test cases. Also, let us cover up other important ailment

  • Java Basic Syntax

    Categories: Java 8(JDK1.8) ||

    A Java program is a collection of objects, and these objects communicate through method calls to each other to work together. Here is a brief discussion on the Classes and Objects, Method, Instance va

  • Java is platform-independent but JVM is platform dependent

    Categories: Java 8(JDK1.8) ||

    In Java, the main point here is that the JVM depends on the operating system – so if you are running Mac OS X you will have a different JVM than if you are running Windows or some other operating sy

  • How is Java platform independent?

    Categories: Java 8(JDK1.8) ||

    The meaning of platform-independent is that the java compiled code(byte code) can run on all operating systems. A program is written in a language that is a human-readable language. It may contain wor

  • Difference between Byte Code and Machine Code

    Categories: Java 8(JDK1.8) ||

    Byte codeByte code is an intermediate code between the source code and machine code. It is a low-level code that is the result of the compilation of a source code which is written in a high-level lang

Top Blogs
Travel Tips for First-Time LRT Commuters Published at:- sum ,min ,max etc example using reduce method using Java 8 Stream API Published at:- Java 8 Stream String Null Or Empty Filter Published at:- 26 Java 8 Programs using Lambda Expression and Stream Published at:- java 8 using lambda expression and stream api | Java 8 Programs using Lambda Expression and Stream Published at:- Singleton Design Pattern and 7 Ways to Implement It 4 Ways to Break Singleton Design Pattern Published at:- The Legends of Manchester United: 10 Greatest Players in Manchester United History Published at:- Course on Computer Concepts (CCC) MCQs Published at:- Given a list of integers, separate odd and even numbers Published at:- Reports and Indices (MCQs) Published at:- Find Last duplicate character of given string using Java 8 Published at:- News Locations (MCQs) Published at:- Find duplicate elements with its count using Java 8 Published at:- How to check if list is empty in Java 8 using Optional Published at:- Write a Program to find the Maximum element in an array Published at:- count of each character in a String using Java 8 Published at:- How to print keys & values of a Map using Java 8 Published at:- How to iterate and modify values in a Map using Java 8 Published at:- How to find next, previous, tomorrow ,yesterday date using Java 8 Published at:- How to remove all duplicates from an array of integers in Java using Java 8 Published at:- How to count the number of occurrences of a given word in a list of strings using Java 8 Published at:- Write a Java program To create a map from a array of strings where the key is the string and the value is its length Published at:- How to filter and collect a list of strings that start with a specific letter using Java 8 Stream Published at:- How to sort a list of strings by length using Lambda expressions Published at:- Find the maximum value in a list of integers using Stream & Method Reference Published at:- Drop all while condition not meet dropWhile(),dropWhile(Predicate<T> predicate) Published at:- Write a program to sum an array Published at:- Write a program to sum an array without using the sum method Published at:- Write a program to append char in char ex-input- {A, B, C} output->[A_X, B_Y, C_Z] Published at:- Write a program to find the only duplicate count list in the List Published at:- How to increment salary by 2%, 5%, etc. Using java Published at:- Filter employees by age set senior if age is greater than 30 in Java 8 Lamda steam Published at:- Write a Java 8 program to get the last element of an array string/object Published at:- Filter employees by age in Java 8 Lamda steam Published at:- Write a Java 8 program to print the first 10 odd numbers Published at:- Write a Java 8 program to calculate the age of a person in years given their birthday Years Months Days Published at:- Write a Java 8 program to calculate the age of a person in years given their birthday Published at:- Write a program for group words by first character of given string | Java 8 Stream Example Published at:- Business, Economy & Banking (MCQs) Published at:- Varför ett Casino utan Svensk Licens Kan Erbjuda Större Bonusar: En Analys av Regleringsfria Spelmarknader Published at:- Can you explain how you would use Spring Boot to build a RESTful API for a project? Published at:- How do you schedule tasks in a Spring Boot application? Published at:- How do you handle exceptions in a Spring Boot application? Published at:- What is a Selector and Template Published at:- What are Components in Angular? Published at:- What is a CLI tool? Explain the importance of Angular CLI. Published at:- What are Angular advantages? Published at:- What is NPM(Node Package Manager) Published at:- How to check the angular version ? or Ways to find the angular version. Published at:- What is the difference between angular and angularjs? Published at:- What is angular Published at:- Decoding the Symbolism of Green in Highway Signage Published at:- The Ultimate Guide to the World's Best Dips Featuring Indian Chutneys Published at:- fizzbuzz problem java Published at:- pushing value at last in java | how to add element at the end of array in java Published at:- java toUpperCase() and toLowerCase() example Published at:- Scanner nextLine() ,nextInt() ,nextDouble() method in Java with Examples Published at:- Elevate Your Strategy: Top AI Tools Transforming Industries Published at:- IELTS Paraphrasing Published at:- Best practice for IELTS academic reading[IELTS 3 step strategy] Published at:- Does Watching Romantic Films Help Your Love Life? Published at:- Optimizing Remote Team Management with WorkTime Software Published at:- The Top 7 Online Casino Tools Published at:- How to Plan the Perfect Mother's Day Brunch in 2024 Published at:- From Past to Present: Evolution of Labour Rights on World Labour Day Published at:- Casino Gambling Systems and Strategies — Make Your Right Choice Published at:- The Importance of Investing in a Quality Portable Trade Show Display Published at:- How to Support and Promote World Heritage Conservation on World Heritage Day 2024 Published at:- Cultural Significance of the Cricket World Cup Logo Designs Published at:- Unlocking Innovation: What to Expect from the Jio 5G Smart Mobile Published at:- Betting on Underdog Squads: Be or Not to Be Published at:- vi shortcuts in terminal Published at:- Maintaining a Balanced Diet in Your Third Trimester: Nurturing Both Mother and Baby Published at:- Mobile Addiction and Relationships: Finding Balance in a Tech-Driven World Published at:- Interface and Usability of 1win: User Experience Published at:- Tips and Tricks to Win with Slot Machines 2024 Published at:- Educate-Online Partner Schools | Transforming Global Education Published at:- The Mathematics of Betting Using Statistics and Probabilities in IPL 2024 Published at:- Man of the Match: Where to Place Bet on MoM in India? Published at:- Phases of Software Testing Life Cycle Published at:- APPLICATIONS OF INTEGRATION IN REAL LIFE SCENARIOS Published at:- Crazy Time casino games review Mastering | Strategy | Bonus Published at:- Cricket Betting in India - How Betting is Driving the Sport's Growth in India Published at:- Welcome to The Ultimate Online Casinos Destination: Score Big Wins and Unforgettable Experiences Published at:- What is the best brain booster Published at:- JeetWin App: A Comprehensive Review for the Bangladesh Market Published at:- Unveiling the Best Game Art Design Courses for Future Innovators Published at:- Managing Diabetes at Home with Redimis: A Comprehensive Guide Published at:- A Balanced Approach: What to Eat for Sugar Control Published at:- How Can I Check Air Pollution in My Area? Published at:- Is Pollution in Delhi Decreasing? A Closer Look at Recent Trends Published at:- Taking Action Against Air Pollution: Safeguarding Our Health Published at:- The Main Effects of Air Pollution in Delhi: A Looming Crisis Published at:- Protecting Our Environment: Practical Steps to Combat Pollution in India Published at:- Tips for Finding Relief from Cold and Cough in Winter Published at:- How to Stay Healthy During the Winter Season Published at:- How to Increase Platelets Quickly in Dengue Fever Published at:- Healthy Fruits to Boost Platelet Count During Dengue Published at:- Unmasking Malaria: Recognizing the Telltale Signs Published at:- Choosing the Right Approach: Homeopathic or Allopathic Treatment for Dengue Published at:-
R4R Team
The content on R4R.co.in website is created by expert teams.We have vistots from India, Afghanistan, Bahrain, Bhutan, Canada, France, Germany, Iraq, Japan, Kenya, Kuwait, Maldives, Nepal, Netherlands, Nigeria, Oman, Qatar, Russia, Rwanda, Seychelles, Tanzania, Ukraine, UAE, UK, USA etc