danielshaya

package util;

import javax.management.*;
import java.lang.management.ManagementFactory;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Created by daniel on 06/07/2015.
 */

danielshaya

package util;

import java.io.EOFException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Arrays;

danielshaya

package util;

import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.*;
import java.text.MessageFormat;
import java.util.*;

public class ADConnect {

danielshaya

package util;

import java.util.Random;
import java.util.stream.IntStream;

public class RandomString {
    public static void main(String[] args) {
        Random random = new Random();
        IntStream.range(0,10).
                forEach(i->System.out.println(generateRandomString(random, 9)));

danielshaya

public static void main(String[] args) {
    try {
        //Write with compression
        //COMPILES BUT SO UGLY
        writeToFile(new File("test"), "Hello World", i -> {
            try {
                return new GZIPOutputStream(i);
            } catch (IOException e) {
                //HOW ARE WE SUPPOSED TO DEAL WITH THIS EXCEPTION??
                throw new AssertionError(e);

danielshaya

public static void main(String[] args) {
    try {
        //Write with compression
        //DOES NOT COMPILE!!
        writeToFile(new File("test"), "Hello World", GZIPOutputStream::new);
        //Just use the FileOutputStream
        writeToFile(new File("test"), "Hello World", i->i);
    }catch(IOException e){
        //deal with exception as you choose
    }

danielshaya

private static void writeToFile(File file, String value,
        Function<OutputStream, OutputStream> writing) throws IOException{
    try (PrintWriter pw = new PrintWriter(new BufferedOutputStream
            (writing.apply(new FileOutputStream(file))))) {
        pw.write(value);
    }
}

danielshaya

package util;

import java.io.*;
import java.util.zip.GZIPOutputStream;

public class LambdaExceptions {
    public static void main(String[] args) {
        try {
            //Write with compression
            writeToFile(new File("test"), "Hello World", GZIPOutputStream::new);

danielshaya

package util;


public class Allocation2 {
    static int iterations = 10_000_000;

    public static void main(String[] args) {
        for (int i = 0; i <3 ; i++) {
            testNoAllocations();
            testAllocations();

danielshaya

package util;

public class Allocation1 {
    static int iterations = 10_000_000;

    public static void main(String[] args) {
        for (int i = 0; i <3 ; i++) {
            testNoAllocations();
            testAllocations();
        }