• How to check if list is empty in Java 8 using Optional

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.Arrays;import java.util.List;import java.util.Objects;import java.util.Optional;public class CheckListIsEmptyOrNot {public static void main(String[] args) {//How to

  • Write a Program to find the Maximum element in an array

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.Arrays;import java.util.Comparator;public class MaximumOfGivenArray {public static void main(String[] args) {//Write a Program to find the Maximum element in an arra

  • count of each character in a String using Java 8

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.HashMap;import java.util.LinkedHashMap;import java.util.Map;import java.util.function.Function;import java.util.stream.Collectors;import java.util.stream.Stream;publ

  • How to print keys & values of a Map using Java 8

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.HashMap;import java.util.Map;import java.util.stream.Stream;public class MapExamplesJava8 {public static void main(String[] args) {// How to print keys & values

  • How to iterate and modify values in a Map using Java 8

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.HashMap;import java.util.Map;public class IterateAndmodifyValuesInMapUsingJava8 {public static void main(String[] args) {// How to iterate and modify values in a Map

  • How to find next, previous, tomorrow ,yesterday date using Java 8

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.time.LocalDate;public class FindTodayTommrowYesterdayUsingJava8 {public static void main(String[] args) {// TODO Auto-generated method stub//How to find next/previous(tom

  • How to sort a list of strings by length using Lambda expressions

    Categories: Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.List;import java.util.stream.Collectors;import java.util.stream.Stream;public class ShortByLengthOfString {public static void main(String[] args) {// How to sort a l

  • Write a program to sum an array

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.stream.Collectors;import java.util.stream.Stream;public class SumAnArray {//Write a program to sum an arraypublic static void main(String[] args) {  Integer[] i

  • Write a program to sum an array without using the sum method

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.stream.Stream;public class SumWithoutUsingSumMenthod {public static void main(String[] args) {//Write a program to sum an array without using the sum methodInteger[]

  • Write a program to find the only duplicate count list in the List

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.Collections;import java.util.List;import java.util.Map;import java.util.function.Function;import java.util.stream.Collectors;public class OnlyDuplicateCountList {pub

  • How to increment salary by 2%, 5%, etc. Using java

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.List;import java.util.stream.Collectors;public class IncrementSalary {public static void main(String[] args) {// How to increment salary by 2%, 5% etc using java - P

  • Filter employees by age in Java 8 Lamda steam

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in.emp;import java.util.List;import java.util.stream.Collectors;public class Employees {//Filter employees by age in Java 8 Lamda steam public static void main(String[] args) {List

  • Write a Java 8 program to print the first 10 odd numbers

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    package r4r.co.in;import java.util.List;import java.util.stream.Collectors;import java.util.stream.Stream;public class First10thOdd {//Write a Java 8 program to print the first 10 odd numbers.public s

  • Business, Economy & Banking (MCQs)

    Categories: Others ||

    Q.1. Which Union Ministry is the top procurer on Government e-Marketplace (GeM) as of 2023? (A) Ministry of Defence (B) Ministry of MSME (C) Ministry of Commerce and Industry (D) Ministry of Housi

  • How do you schedule tasks in a Spring Boot application?

    Categories: Spring Boot ||

    To schedule tasks in a Spring Boot application, you can use the @Scheduled annotation along with @EnableScheduling in your configuration class. Here’s an example:@Configuration@EnableScheduling

  • How do you handle exceptions in a Spring Boot application?

    Categories: Spring Boot ||

    To handle exceptions in a Spring Boot application, you can use the @ControllerAdvice and @ExceptionHandler annotations. Create a class annotated with @ControllerAdvice to handle exceptions globally.@C

  • What are Components in Angular?

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    Components are the most basic UI building block of an Angular app.

  • What are Angular advantages?

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    There are following advantages of angular Relatively simple to build a single page application (SPA)- components .To make flexible and structured application(OOP friendly)It is cross platform and open

  • What is NPM(Node Package Manager)

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    NPM :- Node package manager is an online repository from where we can get thousands of free libraries  which we can use in our project .NPM is a package manager which makes all JavaScript Framewo

  • How to check the angular version ? or Ways to find the angular version.

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    To find angular version open application in browser open developer toolbar .Then navigates to elements .You can see angular version as ng-version =”15.2.10” go to the working directory where your

  • What is the difference between angular and angularjs?

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    There are many differences in angular and angularjs .The main differences between anglurajs and angular are as below AngularJsAngular(2,4,5,6,7,8,9 etc )Language TypeScript TypeScriptAr

  • What is angular

    Categories: Angular Inteview Qusetions and Answers for 10 Years with Basics ||

    Angular is JavaScript binding Framework which binds HTML UI to and JavaScript Model .This helps us to write long and lengthy code . What happens when we write code for HTML and bind a direct mode

  • Decoding the Symbolism of Green in Highway Signage

    Categories: Others ||

    One of the unsung heroes of the road are traffic signs. These quiet sentinels keep watch, providing drivers with important information and guaranteeing a smooth traffic flow. The colors they employ ha

  • fizzbuzz problem java

    Categories: Java 9 || Java || Java Examples ||

    import java.util.*;public class Main {  public static void main(String[] args) {   StringBuffer sb=new StringBuffer();   for(int i=1;i<=100;i++){    if(i%5==0&

  • java toUpperCase() and toLowerCase() example

    Categories: Java 9 || Java 8(JDK1.8) || Java || Java Examples ||

    import java.util.*;public class r4r{    public static void main(String[] args) {      String str="Rajesh Kumar";      System.out.println("Upper Case:-"+str.toUp

  • IELTS Paraphrasing

    Categories: IELTS ||

    IELTS ParaphrasingRewriting Paraphrase using synonymies and  own words .Make sure the meaning should besame as original paraphrase while doing paraphrasing e.gI am busy right now.I am curren

  • Does Watching Romantic Films Help Your Love Life?

    Categories: Others ||

    Romance films are unquestionably one of the most popular genres in the world. People watch them for relief from their hectic lives. But they also seek inspiration for their love lives and relationship

  • Optimizing Remote Team Management with WorkTime Software

    Categories: Jobs ||

    The preference for working remotely has soared, with nearly 86% of office staff now choosing to work from locations outside the traditional office. This trend emphasizes the need for effective tools t

  • How to Plan the Perfect Mother's Day Brunch in 2024

    Categories: Others ||

    On Mother's Day, we honor the amazing women who have raised, cared for, and still adore us without conditions. A lovely brunch is a great way to let Mom know you appreciate her. It takes planning

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