peas

import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;

class EWC {
	private Consumer<Object> tarefinha;

	private Queue<Object> waiters = new ConcurrentLinkedQueue<>();

	public void wait(Object arg) { 

peas

List<Usuario> usuariosFiltrados = new ArrayList<>();
for(Usuario usuario : usuarios) {
	if(usuario.getPontos() > 100) {
		usuariosFiltrados.add(usuario);
	}
}
  
Collections.sort(usuariosFiltrados, new Comparator<Usuario>() {
	public int compare(Usuario u1, Usuario u2) {
		return u1.getNome().compareTo(u2.getNome());

peas

List<Usuario> filtradosOrdenados = usuarios.stream()
	.filter(u -> u.getPontos() > 100)
	.sorted(Comparator.comparing(Usuario::getNome))
	.collect(Collectors.toList());

peas

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
	<appender name="sysout" class="org.apache.log4j.ConsoleAppender">
		<layout class="org.apache.log4j.PatternLayout">
			<param name="ConversionPattern" 
				value="%d{HH:mm:ss} %5p [%-20c{1}] %m%n" />
		</layout>
	</appender>

peas

   0:	ldc	#2; //String 
   2:	astore_1
   3:	iconst_0
   4:	istore_2
   5:	iload_2
   6:	sipush	30000
   9:	if_icmpge	37
   12:	new	#3; //class java/lang/StringBuilder
   15:	dup
   16:	invokespecial	#4; //Method java/lang/StringBuilder."<init>":()V

peas

apply plugin: 'java'
apply plugin: 'eclipse'

apply id: 'nome-projeto'
version = '0.1-SNAPSHOT'

repositories {
	mavenCentral()
	mavenRepo urls: 'https://repository.jboss.org/nexus/content/groups/public/'
}

peas

package br.com.caelum;

import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.Persistence;

peas

apply plugin: 'java'
apply plugin: 'eclipse'
// apply plugin 'war'

version = '0.1-SNAPSHOT'

compileJava {
    options.encoding='UTF-8'
}

peas

@WebServlet(urlPatterns = { "/chat/*" }, asyncSupported=true, loadOnStartup = 1)
public class ChatServlet extends HttpServlet {

	private Queue<AsyncContext> clients = new ConcurrentLinkedQueue<AsyncContext>();
	private BlockingQueue<String> messages = new LinkedBlockingQueue<String>();
	private int contador;

	static {
		System.out.println("tomcat carregou?");
	}

peas

	class LRUCache extends LinkedHashMap<String, String> {
		private int tamanho;

		public LRUCache(int tamanho) {
			super(3, 0.75f, true);
			this.tamanho = tamanho;
		}

		protected boolean removeEldestEntry(
				java.util.Map.Entry<String, String> eldest) {