JAVA

Study

• https://hyperskill.org
• https://www.codewars.com/
• https://www.baeldung.com/

Maven

• introduction-to-archetypes

mvn archetype:generate -DartifactId=teste -DgroupId=br.com.clusterlab -DinteractiveMode=false -DarchetypeArtifactId=maven-archetype-quickstart

Do not validade SSL

mvn  -Dmaven.wagon.http.ssl.insecure=true package

Maven SSL Insecure

-Dmaven.wagon.http.ssl.insecure=true 

JIB

Compite tto tar

compile jib:buildTar
compile jib:build -Dmaven.wagon.http.ssl.insecure=true package

<build>
		<plugins>
			<plugin>
				<groupId>com.google.cloud.tools</groupId>
				<artifactId>jib-maven-plugin</artifactId>
				<version>1.0.0</version>
				<configuration>
					<allowInsecureRegistries>false</allowInsecureRegistries>
					<from>
						<image>mcr.microsoft.com/java/jdk:8-zulu-alpine</image>
					</from>
					<to>
						<image>registryurl.com/spring-jib</image>
						<tags>
							<tag>0.4</tag>
						</tags>
						<auth>
							<username>${env.REGISTRY_USERNAME}</username>
							<password>${env.REGISTRY_PASSWORD}</password>
						</auth>
					</to>
				</configuration>
				<executions>
					<execution>
						<phase>package</phase>
						<goals>
							<goal>build</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>

IDES

• IntelliJ HELP

JRE

JAVAWS

Disable security

C:\Program Files (x86)\Java\jre1.8.0_91\lib\security\java.security:

Remove MD5:

jdk.certpath.disabledAlgorithms

Remove SSLv3, RC4, and MD5withRSA:

jdk.tls.disabledAlgorithms

Arguments

• JMXRemote

 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=18001 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false

• Change server port

java -jar target/HelloWorld-0.1.0.jar --server.port=8091

Feing

• Feign: Resilience and scalability for your rest clients
• Intro to Feign
• Declarative REST Client: Feign
• Introduction to Spring Cloud OpenFeign
• Spring Cloud OpenFeign
• Spring Cloud Feign - Declarative REST Client - Youtube
• Spring Cloud Feign - Declarative REST Client - GitHub

GIT/Projects

• GRAPHVIZ
• JIB
• azure-sdk-for-java

Links

• Intro to the Jackson ObjectMapper
• JSONPlaceholder
• jsonschema2pojo