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pablohdzvizcarra / SequenceTwoTransacctionsSQL.java

Created July 14, 2021 13:38

way to create two transactions in MySQL

	package com.pluralsight.jdbc.course.m7c2;

	import java.sql.*;

	public class OrderComponent
	{
	public static void main(String[] args) throws SQLException
	{
	int customer = 112;
	LineItem lineItem =

pablohdzvizcarra / ProceduresMySQL.java

Created July 13, 2021 16:58

update example

	package com.pluralsight.jdbc.course.m6c2;

	import java.sql.*;
	import java.util.ArrayList;
	import java.util.List;

	public class Procedures
	{
	private static final String URL
	= "jdbc:mysql://localhost:3306/classicmodels?user=root&password=my-secret-pw";

pablohdzvizcarra / ProceduresMySQL.java

Created July 13, 2021 16:56

example two procedures operation with mysql

	package com.pluralsight.jdbc.course.m6c2;

	import java.sql.*;
	import java.util.ArrayList;
	import java.util.List;

	public class Procedures
	{
	private static final String URL
	= "jdbc:mysql://localhost:3306/classicmodels?user=root&password=my-secret-pw";

pablohdzvizcarra / SavesAndReadBlobsAndClobs.java

Created July 13, 2021 14:29

operations to save and read clobs, blobs in mysql

	package com.pluralsight.jdbc.course.m6c1;

	import java.io.FileInputStream;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.Reader;
	import java.sql.*;

	public class SavesAndReadBlobsAndClobs
	{

pablohdzvizcarra / Main.java

Created July 10, 2021 23:06

run only one async task

	package org.async;

	import java.util.concurrent.CompletableFuture;

	public class Main
	{
	public static void main(String[] args)
	{
	// TODO: 7/10/21 Create a simple Task
	// TODO: 7/10/21 Add sleep to thread, for the asynchronous task to be executed

pablohdzvizcarra / DBLauncher.java

Created July 2, 2021 14:16

simple config H2 database to Gradle

	package com.example.infrastructure;

	import org.h2.tools.Server;

	import java.sql.Connection;
	import java.sql.DriverManager;
	import java.sql.SQLException;
	import java.sql.Statement;

	public class DBLauncher

pablohdzvizcarra / callApiAndPerseRequestInPOJO.java

Last active July 1, 2021 13:05

call api with HttpClient Java and parse json to POJO

	package org.example;

	import com.fasterxml.jackson.core.type.TypeReference;
	import com.fasterxml.jackson.databind.ObjectMapper;

	import java.io.IOException;
	import java.net.URI;
	import java.net.http.HttpClient;
	import java.net.http.HttpRequest;
	import java.net.http.HttpResponse;

pablohdzvizcarra / DifferentWaysToCreateStream.java

Created June 27, 2021 14:17

show differents ways to create a stream with some different types in Java

	package com.pablohdz.application;

	import com.pablohdz.entities.Person;

	import java.io.IOException;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Optional;

pablohdzvizcarra / CreateClassWithStringName.java

Created June 24, 2021 02:02

example to how create manually a class with name

	final String className = file.readUTF();
	final String personName = file.readUTF();
	final int age = file.readInt();

	final Class<?> personClass = Class.forName(className);
	final Constructor<?> constructor =
	personClass.getConstructor(String.class, int.class);
	return (Person) constructor.newInstance(personName, age);

pablohdzvizcarra / dockerfile-java-build-package-stages

Created June 23, 2021 02:49

dockerfile to app java with compile and run

	# Build Stage
	FROM maven:3.8.1-openjdk-11-slim AS build
	COPY src /home/app/src
	COPY pom.xml /home/app
	RUN mvn -f /home/app/pom.xml clean package

	# Package stage
	FROM openjdk:11-jre-slim
	COPY --from=build /home/app/target/name-file-1.0-SNAPSHOT.jar /usr/local/lib/demo.jar
	ENV PORT=8080