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public final class LazySingleton {

	private volatile static LazySingleton instance;

	private LazySingleton() {
	}

	public static LazySingleton getInstance() {
		if (instance == null) {
			synchronized (LazySingleton.class) {

juliano

public final class PersonImmutableBuilder {

	private final String name;
	private final String cpf;

	public PersonImmutableBuilder() {
		this(null, null);
	}

	private PersonImmutableBuilder(final String name, final String cpf) {

juliano

import static java.util.concurrent.TimeUnit.MILLISECONDS;

import java.util.ArrayList;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

public final class ArrayListThreadSafe {

juliano

package br.com.simpledev.struts2.action;

import java.util.List;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;

import br.com.simpledev.struts2.dao.LocalidadeDao;

juliano

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns:context="http://www.springframework.org/schema/context"
 xsi:schemaLocation="http://www.springframework.org/schema/beans
 		http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
 		http://www.springframework.org/schema/context
 		http://www.springframework.org/schema/context/spring-context-3.1.xsd">

    <context:component-scan base-package="br.com.simpledev.struts2spring" />

juliano

package br.com.simpledev.spring.controller;

import static org.springframework.web.bind.annotation.RequestMethod.GET;
import static org.springframework.web.bind.annotation.RequestMethod.POST;
import static org.springframework.web.bind.annotation.RequestMethod.PUT;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

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<application>
    <el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
</application>

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package br.com.concurrent5.service;

import java.util.Random;

public class RandomService {

	private final String name;

	public RandomService(final String name) {
		this.name = name;

juliano

package br.com.simpledev.struts2;

import static org.junit.Assert.assertFalse;
import static org.mockito.Mockito.when;

import java.util.Collections;
import java.util.List;

import org.junit.Before;
import org.junit.Test;

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package br.com.simpledev.springhibernate.dao;

import java.util.List;

import br.com.simpledev.springhibernate.model.Carro;

public interface CarroDao {

    List<Carro> lista();