Java

Increase stack size a little #84

	name: Java

	on:
	pull_request:
	push:

	jobs:
	example-exercises:
	runs-on: ubuntu-latest
	container:
	image: openjdk:12-alpine

	steps:
	- uses: actions/checkout@v1
	- name: Install dependencies
	run: apk add --no-cache jq=1.6-r0
	- name: Evaluate sample exercises
	run: ./integration-tests/run

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