PHP

PHP Tutorial From beginner

PHP Tutorial From beginner    What is PHP? • PHP stands for PHP: Hypertext Preprocessor • PHP is...

Spring

Spring – Environment Setup

Spring – Environment Setup   Step 1 –Setup Java Development Kit (JDK)  You can download the lat...

Spring

Aspect-Oriented Programming (AOP)

Aspect-Oriented Programming (AOP)   One of the key components of Spring is the Aspect-Oriented Programming (AOP) ...

Laravel

Advantages of Laravel

Advantages of Laravel   ANALYSIS Laravel offers you the following advantages when you are designing a web applic...

Java 8(JDK1.8)

Exception Hierarchy In Java

All exception classes are subtypes of the java.lang.Exception class. The exception class is a subclass of the Throwable ...

Java 8(JDK1.8)

Java - Exceptions

An exception (or exceptional event) is a problem that arises during the execution of a program. When an Exception occurs...

Java 8(JDK1.8)

Directories in Java

A directory is a File which can contain a list of other files and directories. You use File object to create directories...

Java 8(JDK1.8)

File Output Stream In Java

FileOutputStream is used to create a file and write data into it. The stream would create a file, if it doesn't already ...

Java 8(JDK1.8)

File Input Stream

This stream is used for reading data from the files. Objects can be created using the keyword new and there are several ...

Java 8(JDK1.8)

Standard Streams In Java

All the programming languages provide support for standard I/O where the user's program can take input from a keyboard a...

Java 8(JDK1.8)

Java - Files and I O

The java.io package contains nearly every class you might ever need to perform input and output (I/O) in Java. All these...

Java 8(JDK1.8)

The finalize( ) Method In Java

It is possible to define a method that will be called just before an object's final destruction by the garbage collector...

Java 8(JDK1.8)

Method Overloading In Java

When a class has two or more methods by the same name but different parameters, it is known as method overloading. It is...

Java 8(JDK1.8)

Passing Parameters by Value In Java

While working under calling process, arguments is to be passed. These should be in the same order as their respective pa...

Java 8(JDK1.8)

Method Calling

For using a method, it should be called. There are two ways in which a method is called i.e., method returns a value or ...

Java 8(JDK1.8)

Java - Methods

A Java method is a collection of statements that are grouped together to perform an operation. When you call the System....

Java 8(JDK1.8)

Java - Regular Expressions

Java provides the java.util.regex package for pattern matching with regular expressions. Java regular expressions are ve...

Java 8(JDK1.8)

Gregorian Calendar Class

GregorianCalendar is a concrete implementation of a Calendar class that implements the normal Gregorian calendar with wh...

Java 8(JDK1.8)

Sleeping for a While

You can sleep for any period of time from one millisecond up to the lifetime of your computer. For example, the followin...

Java 8(JDK1.8)

Simple DateFormat Format Codes

To specify the time format, use a time pattern string. In this pattern, all ASCII letters are reserved as pattern letter...

Java 8(JDK1.8)

Date Comparison

Following are the three ways to compare two dates −You can use getTime( ) to obtain the number of milliseconds that ha...

Java 8(JDK1.8)

Getting Current Date and Time

This is a very easy method to get current date and time in Java. You can use a simple Date object with toString() method...

Java 8(JDK1.8)

Java - Date and Time

Java provides the Date class available in java.util package, this class encapsulates the current date and time.The Date ...

Java 8(JDK1.8)

Creating Arrays In Java

You can create an array by using the new operator with the following syntax −SyntaxarrayRefVar = new dataType[arraySiz...

Java 8(JDK1.8)

Java - Arrays

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type....

Java 8(JDK1.8)

Creating Format Strings In Java

You have printf() and format() methods to print output with formatted numbers. The String class has an equivalent class ...

Java 8(JDK1.8)

Concatenating Strings In Java

The String class includes a method for concatenating two strings −string1.concat(string2);This returns a new string th...

Java 8(JDK1.8)

String Length In Java

Methods used to obtain information about an object are known as accessor methods. One accessor method that you can use w...

Java 8(JDK1.8)

Java In Strings Class

Strings, which are widely used in Java programming, are a sequence of characters. In Java programming language, strings ...

Java 8(JDK1.8)

Character Methods In Java

Following is the list of the important instance methods that all the subclasses of the Character class implement −Sr.N...

Java 8(JDK1.8)

Escape Sequences In Java

A character preceded by a backslash (\) is an escape sequence and has a special meaning to the compiler.The newline char...

Java 8(JDK1.8)

Java In Character Class

Normally, when we work with characters, we use primitive data types char.Examplechar ch = 'a';// Unicode for uppercase G...

Java 8(JDK1.8)

Java - Numbers Class

Normally, when we work with Numbers, we use primitive data types such as byte, int, long, double, etc.Exampleint i = 500...

Java 8(JDK1.8)

Java - Decision Making

Decision making structures have one or more conditions to be evaluated or tested by the program, along with a statement ...

Java 8(JDK1.8)

Java - Loop Control

There may be a situation when you need to execute a block of code several number of times. In general, statements are ex...

Java 8(JDK1.8)

Precedence of Java Operators

Operator precedence determines the grouping of terms in an expression. This affects how an expression is evaluated. Cert...

Java 8(JDK1.8)

Miscellaneous Operators

There are few other operators supported by Java Language.Conditional Operator ( ? : )Conditional operator is also known ...

Java 8(JDK1.8)

The Assignment Operators

Following are the assignment operators supported by Java language −OperatorDescriptionExample=Simple assignment operat...

Java 8(JDK1.8)

The Logical Operators

The following table lists the logical operators −Assume Boolean variables A holds true and variable B holds false, the...

Java 8(JDK1.8)

The Bitwise Operators

Java defines several bitwise operators, which can be applied to the integer types, long, int, short, char, and byte.Oper...

Java 8(JDK1.8)

The Relational Operators

There are following relational operators supported by Java language.Assume variable A holds 10 and variable B holds 20, ...

Java 8(JDK1.8)

Java - Basic Operators

Java provides a rich set of operators to manipulate variables. We can divide all the Java operators into the following g...

Java 8(JDK1.8)

Java - Modifier Types

Modifiers are keywords that you add to those definitions to change their meanings. Java language has a wide variety of m...

Java 8(JDK1.8)

Basic Datatypes In Java

Variables are nothing but reserved memory locations to store values. This means that when you create a variable you rese...

Top Blogs
Escape from Tarkov Wipes Explained: Progression, Economy and the Reset Cycle Published at:- The Anatomy of a Perfect Mythic+ Timed Run Published at:- Best Online Tuition in India 2026 | Find Verified Tutors for Every Subject | UrbanPro Published at:- Building Muscle the Ayurvedic Way Without Burning Out Published at:- Progressive Automations: Leading Linear Actuator Solutions in Australia Published at:- Why Headless CMS Works Best with Design Systems and Style Guides Published at:- iGaming SEO: How to Survive Without Million-Dollar Budgets Published at:- Seal APK - Download Seal APK Official For Android 2025 Published at:- Streamline Care with Powerful NDIS Software Published at:- Using AI to Enrich Metadata and Taxonomies in Headless Environments Published at:- What is new in different version of SPring boot Security Published at:- what is new in Spring Boot Published at:- What are new in Java different versions Published at:- What do you need to know before you hire proofreader Published at:- Why isn't the number of followers on Instagram increasing? Published at:- How to Train an AI Phone System for Natural-Language Conversations Published at:- Email List Hygiene Myths: What to Clean, What to Keep Published at:- The Importance of Secure Payment System Testing for Developers and Businesses Published at:- Benchmarking API Response Times in Headless CMS Implementations Published at:- Discover Exciting Tongits Variations on GameZone Published at:- Best Mr Beast Casino App Published at:- Mr Beast Casino App Published at:- Free Billing Software for Small Businesses in India - The Ultimate Guide Published at:- Explore the Art of Baking with These Top Digital EBooks Published at:- The Influence of Slot Game Providers on Your Gaming Experience Published at:- Subset Sum Problem SubSet Sum Problem Solution using Knapsack Published at:- Knapsack top down dynamic programming using java Published at:- Sorting the Employees Salary in Each Department in Ascending Order Published at:- Sorting the Employees Salary in Each Department in Descending Order Published at:- Concatenate String array into single string Published at:- Find Customer staring with +91 mobile number Published at:- Child and Parent overridden methods Throws checked exception Published at:- Child and Parent overridden methods Throws RuntimeException Published at:- Java Class subclass interview coding questions Published at:- Printing the Number of Employees in Each Department using Java Published at:- Printing Average Age of Male and Female Employees using Java Published at:- Finding Maximum Age of Employee using Java Published at:- Printing Employee Details by Age Criteria using Java Published at:- Printing Names of All Departments from Employee Class using Java Published at:- Finding the Count of Male and Female Employees Published at:- Grouping Employees by City and Age Published at:- Employee Highest salary in each department using Java Published at:- Sort highest salary in each department Published at:- 5 Family Bonding Activities You Can Do Offline This -Ber Months Published at:- Find first repeated character in a string Published at:- 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:-
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