Primeiro

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.coveros.demo</groupId>
+  <artifactId>helloworld</artifactId>
+  <version>1.1</version>
+  <packaging>jar</packaging>
+
+  <name>Hello World</name>
+  <description>The most basic of Java programs.</description>
+  <url>https://www.coveros.com/</url>
+  <inceptionYear>2018</inceptionYear>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    <jdk.version>1.8</jdk.version>
+
+    <maven.compiler.plugin.version>3.8.1</maven.compiler.plugin.version>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>${maven.compiler.plugin.version}</version>
+        <configuration>
+          <source>${jdk.version}</source>
+          <target>${jdk.version}</target>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
\ No newline at end of file

src/main/java/com/coveros/demo/helloworld/HelloWorld.java

+package com.coveros.demo.helloworld;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class HelloWorld {
+
+  public static void main(final String[] args) {
+    final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("h:mm:ss a 'on' MMMM d, yyyy'.'");
+    final LocalDateTime now = LocalDateTime.now();
+
+    System.out.println("Hello, World! The current time is " + dtf.format(now));
+  }
+
+}