Yusuke Kawata yusuke2255

## aws-init-setting.yml
- hosts: '{{host_name}}'
  sudo: yes
  roles:
    - common
    - aws/common
    - aws/amazon-linux-init

## build.gradle

plugins {
  id 'java'
  id 'com.github.johnrengelman.shadow' version '1.2.0'
}

apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'application'

## file0.java
package jp.hoge;

import java.util.HashMap;
import java.util.Map;

import javax.validation.Valid;
import javax.validation.constraints.NotNull;

import com.fasterxml.jackson.annotation.JsonProperty;

## ReduceTest.java
import java.util.Arrays;
import java.util.Optional;

public class ReduceTest {

	public static void main(String[] args) {
		Optional<Sum> summary = Arrays.asList(new Sum(1, 10),new Sum(2, 15),new Sum(3, 5)).stream().reduce((sum1,sum2) -> {
			if (Optional.ofNullable(sum1).isPresent() == false) {
				System.out.println("Sum1 is empty.");
				return sum2;

## SampleResource.java
package my.sample.resources;

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.ws.rs.GET;
import javax.ws.rs.Path;

## gist:5eb3b439410c99b28dd1517f4167cfc7
https://beroux.com/english/articles/kubernetes/?part=3
	- hosts: '{{host_name}}'
	sudo: yes
	roles:
	- common
	- aws/common
	- aws/amazon-linux-init

	plugins {
	id 'java'
	id 'com.github.johnrengelman.shadow' version '1.2.0'
	}

	apply plugin: 'java'
	apply plugin: 'maven'
	apply plugin: 'application'
	package jp.hoge;

	import java.util.HashMap;
	import java.util.Map;

	import javax.validation.Valid;
	import javax.validation.constraints.NotNull;

	import com.fasterxml.jackson.annotation.JsonProperty;
	import java.util.Arrays;
	import java.util.Optional;

	public class ReduceTest {

	public static void main(String[] args) {
	Optional<Sum> summary = Arrays.asList(new Sum(1, 10),new Sum(2, 15),new Sum(3, 5)).stream().reduce((sum1,sum2) -> {
	if (Optional.ofNullable(sum1).isPresent() == false) {
	System.out.println("Sum1 is empty.");
	return sum2;
	package my.sample.resources;

	import java.awt.image.BufferedImage;
	import java.io.ByteArrayOutputStream;
	import java.io.File;
	import java.io.IOException;

	import javax.imageio.ImageIO;
	import javax.ws.rs.GET;
	import javax.ws.rs.Path;