mcupak

List<Integer> list = new ArrayList<Integer>()
list.add(1)
list.add(2)
list.add(3)
list = Collections.unmodifiableList(list)
Collections.unmodifiableList(new ArrayList<>(Arrays.asList(1,2,3)))
Collections.unmodifiableList(Stream.of(1,2,3).collect(toList()))
Collections.unmodifiableList(new ArrayList<Integer>() {{ add(1); add(2); add(3); }})
/env -class-path guava-27.1-jre.jar
import com.google.common.collect.ImmutableList

mcupak

Thread  = new Thread(() -> System.out.println("hello confoo"))
Thread t = new Thread(() -> System.out.println("hello confoo"))
t.start()
ExecutorService e = Executors.newSingleThreadExecutor()
Future<String> f = e.submit(() -> "hello confoo")
f
f.get()
ExecutorService e = ForkJoinPool.commonPool()
Future<String> f = e.submit(() -> "hello confoo")
f.get()

mcupak

List<Integer> list = new ArrayList<Integer>()
list.add(1)
list.add(2)
list.add(3)
list = Collections.unmodifiableList(list)
List<Integer> list2 = new ArrayList<Integer>(list)
List<Integer> list2 = Collections.unmodifiableList(new ArrayList<Integer>(list))
List<Integer> list = List.of(1,2,3)
list.add(4)
list.getClass()

mcupak

List<Integer> list = new ArrayList<Integer>()
list.add(1)
list.add(2)
list.add(3)
list = Collections.unmodifiableList(list)
List<Integer> list2 = new ArrayList<Integer>(list)
List<Integer> list2 = Collections.unmodifiableList(new ArrayList<Integer>(list))
List<Integer> list = List.of(1,2,3)
list.add(4)
List<Integer> list2 = List.copyOf(list)

mcupak

language: java
dist: trusty
sudo: false
jdk:
  - openjdk8
env:
  - GH_URL=https://raw.githubusercontent.com VALIDATOR_URL=http://localhost:8080/validator/debug?url FILE_TO_VALIDATE=openapi.yaml URL_TO_VALIDATE=$GH_URL/${TRAVIS_PULL_REQUEST_SLUG:-$TRAVIS_REPO_SLUG}/${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}/$FILE_TO_VALIDATE
before_install:
  # Build and start validator-badge. This setup will not be needed once the online version of validator-badge supports OAS 3.0. Until then we'll need to set up a local version.
  - git clone --branch=v2.0.0 https://github.com/swagger-api/validator-badge.git

mcupak

script:
  # validate
  - echo "Validating $URL_TO_VALIDATE:"
  - VALIDATION_OUTPUT=`curl -sS "$VALIDATOR_URL=$URL_TO_VALIDATE"`

  # print validation errors
  - echo $VALIDATION_OUTPUT

  # check if the validation output ignoring warnings is an empty array
  - VALIDATION_ERROR_COUNT=`echo "$VALIDATION_OUTPUT" |jq -c '.schemaValidationMessages // [] | map(select(.level != "warning"))' |jq length`

mcupak

before_install:
  # Build and start validator-badge. This setup will not be needed once the online version of validator-badge supports OAS 3.0. Until then we'll need to set up a local version.
  - git clone --branch=v2.0.0 https://github.com/swagger-api/validator-badge.git
  - cd validator-badge
  - mvn package -q -DskipTests=true -Dmaven.javadoc.skip=true -B -V jetty:run &
  - cd ..
  - sleep 60

mcupak

env:
  - GH_URL=https://raw.githubusercontent.com VALIDATOR_URL=http://localhost:8080/validator/debug?url FILE_TO_VALIDATE=openapi.yaml URL_TO_VALIDATE=$GH_URL/${TRAVIS_PULL_REQUEST_SLUG:-$TRAVIS_REPO_SLUG}/${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}/$FILE_TO_VALIDATE

mcupak

language: java
dist: trusty
sudo: false
jdk:
  - openjdk8

mcupak

env:
  - FILE_URL=https://raw.githubusercontent.com/${TRAVIS_PULL_REQUEST_SLUG:-$TRAVIS_REPO_SLUG}/${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}/{FILE_PATH}