https://stackrules.com/learn-java-8-streams-api-in-an-hour/ 1 Reply duliu 7 years ago Good 1 Reply Matthew 1 year ago The best website for Java. The examples and the references listed are what I need to learn the new feature since Java 8. My simple words can’t express...
1. UnaryOperator 1.1 In this example, theFunction<Integer, Integer>which accepts and returns the same type, can be replaced withUnaryOperator<Integer>. Java8UnaryOperator1.java packagecom.mkyong;importjava.util.function.Function;importjava.util.function.UnaryOperator;publicclassJava8UnaryOperator1{publicst...
packagecom.mkyong;importjava.util.LinkedHashMap;importjava.util.Map;importjava.util.Properties;importjava.util.Set;importjava.util.stream.Collectors;publicclassDisplayApp{publicstaticvoidmain(String[] args){Propertiesproperties=System.getProperties();// not easy to sort thisSet<Map.Entry<Object, Object...
In Java 8, there is a new methodFiles.newBufferedReader(Paths.get("file"))to return aBufferedReader filename.txt A B C D E FileExample1.java packagecom.mkyong;importjava.io.BufferedReader;importjava.io.IOException;importjava.nio.file.Files;importjava.nio.file.Paths;publicclassFileExample1{p...
set up class path in maven http://maven.apache.org/shared/maven-archiver/examples/classpath.html; http://maven.apache.org/plugins/maven-war-plugin/examples/skinny-wars.html
JUnit 4 and TestNG are both very popular unit test framework in Java. Both frameworks look very similar in functionality. Which one is better? Which unit test framework should I use in Java project? Here I did a feature comparison between JUnit 4 and TestNG. ...
<downloadJavadocs>true</downloadJavadocs> <wtpversion>2.0</wtpversion> <wtpContextName>spring4ajax</wtpContextName> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <failOnMissing...
UploadForm.java package com.mkyong.model; import org.springframework.web.multipart.MultipartFile; public class UploadForm { MultipartFile[] files; public MultipartFile[] getFiles() { return files; } public void setFiles(MultipartFile[] files) { this.files = files; } } 6. Spring JSP Views upl...
JavaBiConsumer2.java packagecom.mkyong.java8;importjava.util.function.BiConsumer;publicclassJavaBiConsumer2{publicstaticvoidmain(String[] args){ addTwo(1,2, (x, y) -> System.out.println(x + y));// 3addTwo("Node",".js", (x, y) -> System.out.println(x + y));// Node.js}static...
packagecom.mkyong;importjava.sql.Timestamp;importjava.time.LocalDateTime;publicclassTimeExample{publicstaticvoidmain(String[] args){// LocalDateTime to TimestampLocalDateTimenow=LocalDateTime.now();Timestamptimestamp=Timestamp.valueOf(now); System.out.println(now);// 2019-06-14T15:50:36.068076300System...