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sum ,min ,max etc example using reduce method using Java 8 Stream API

package r4r.co.in;import java.util.stream.Stream;public class Java8StreamReduceMethodExample {public static void main(String[] args) {// sum ,min ,max etc example using reduce method using Java 8 Stre

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Java 8 Stream String Null Or Empty Filter

package r4r.co.in;import java.util.Arrays;import java.util.Objects;import java.util.function.Predicate;import java.util.stream.Stream;public class NnonNullExamples {public static void main(String[] ar

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26 Java 8 Programs using Lambda Expression and Stream

26 Java 8 Programs using Lambda Expression and Stream Write a program to append char in char ex-input- {A, B, C} output->[A_X, B_Y, C_Z] Write a Java 8

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java 8 using lambda expression and stream api | Java 8 Programs using Lambda Expression and Stream

Java 8 Programs using Lambda Expression and Stream check two strings are anagrams or not Given a list of strings, join the strings with ‘[‘ as prefix,

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Singleton Design Pattern and 7 Ways to Implement It 4 Ways to Break Singleton Design Pattern

Singleton Design Pattern and 7 Ways to Implement It 4 Ways to Break Singleton Design Pattern Singleton solves Problem -In software development, we often require classes that can only have

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The Legends of Manchester United: 10 Greatest Players in Manchester United History

The Legends of Manchester United: 10 Greatest Players in Manchester United HistoryManchester United is one of the biggest UEFA champions in the world which has been the place for many key legends of f

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Course on Computer Concepts (CCC) MCQs

Q.1. Small networking making up internet and also having small no. of computers within is known as _____? Host Address Sub-domain None of these   Answer: A. Host   Q.2. One how s

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Given a list of integers, separate odd and even numbers

package r4r.co.in;import java.util.List;import java.util.Map;import java.util.stream.Collectors;import java.util.stream.Stream;public class SeparateOddAndEvenNumbers {public static void main(String[]

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Reports and Indices (MCQs)

Q.1. Recently, which institution released the ‘Aging well in Asia: Asian Development Policy Report’? (A) World Bank (B) Asian Development Bank (ADB) (C) European Investment Bank (EIB)

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Find Last duplicate character of given string using Java 8

package r4r.co.in;import java.util.Map;import java.util.function.Function;import java.util.stream.Collectors;public class Test123 {public static void main(String[] args) {// Find Last duplicate charac

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News Locations (MCQs)

Q.1. Utkela Airport has been inaugurated in which state/UT? [A] Odisha [B] West Bengal [C] Assam [D] Arunachal Pradesh   Ans. [A] Odisha   Q.2. Umiam lake, which was seen in the news

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Find duplicate elements with its count using Java 8

package r4r.co.in;import java.util.Arrays;import java.util.Collections;import java.util.List;import java.util.Map;import java.util.function.Function;import java.util.stream.Collectors;public class Dup

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

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

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Write a Program to find the Maximum element in an array

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

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count of each character in a String using Java 8

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

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

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

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

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

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

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

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How to remove all duplicates from an array of integers in Java using Java 8

package r4r.co.in;import java.util.Arrays;import java.util.stream.Stream;public class RemoveAllDuplicateInteger {public static void main(String[] args) {//How to remove all duplicates from an array of

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How to count the number of occurrences of a given word in a list of strings using Java 8

package r4r.co.in;import java.util.Arrays;import java.util.List;public class CountGivenWordInGivenArryOfStringUsingJava8Lamda {public static void main(String[] args) {// How to count the number of occ

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