formatting cleanup
This commit is contained in:
parent
f913859c6f
commit
4d8f92e587
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@ -15,14 +15,12 @@ public class CyclicBarrierDemo {
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private int NUM_PARTIAL_RESULTS;
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private int NUM_WORKERS;
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private void runSimulation(int numWorkers, int numberOfPartialResults) {
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NUM_PARTIAL_RESULTS = numberOfPartialResults;
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NUM_WORKERS = numWorkers;
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cyclicBarrier = new CyclicBarrier(NUM_WORKERS, new AggregatorThread());
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System.out.println("Spawning " + NUM_WORKERS + " worker threads to compute "
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+ NUM_PARTIAL_RESULTS + " partial results each");
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System.out.println("Spawning " + NUM_WORKERS + " worker threads to compute " + NUM_PARTIAL_RESULTS + " partial results each");
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for (int i = 0; i < NUM_WORKERS; i++) {
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Thread worker = new Thread(new NumberCruncherThread());
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worker.setName("Thread " + i);
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@ -38,8 +36,7 @@ public class CyclicBarrierDemo {
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List<Integer> partialResult = new ArrayList<>();
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for (int i = 0; i < NUM_PARTIAL_RESULTS; i++) {
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Integer num = random.nextInt(10);
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System.out.println(thisThreadName
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+ ": Crunching some numbers! Final result - " + num);
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System.out.println(thisThreadName + ": Crunching some numbers! Final result - " + num);
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partialResult.add(num);
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}
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partialResults.add(partialResult);
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@ -57,13 +54,12 @@ public class CyclicBarrierDemo {
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@Override
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public void run() {
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String thisThreadName = Thread.currentThread().getName();
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System.out.println(thisThreadName + ": Computing final sum of " + NUM_WORKERS
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+ " workers, having " + NUM_PARTIAL_RESULTS + " results each.");
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System.out.println(thisThreadName + ": Computing final sum of " + NUM_WORKERS + " workers, having " + NUM_PARTIAL_RESULTS + " results each.");
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int sum = 0;
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for (List<Integer> threadResult : partialResults) {
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System.out.print("Adding ");
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for (Integer partialResult : threadResult) {
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System.out.print(partialResult+" ");
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System.out.print(partialResult + " ");
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sum += partialResult;
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}
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System.out.println();
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@ -15,7 +15,8 @@ public class Philosopher implements Runnable {
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Thread.sleep(((int) (Math.random() * 100)));
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}
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@Override public void run() {
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@Override
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public void run() {
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try {
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while (true) {
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doAction(System.nanoTime() + ": Thinking"); // thinking
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@ -6,22 +6,22 @@ import java.util.concurrent.TimeUnit;
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public class ExecutorServiceDemo {
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ExecutorService executor = Executors.newFixedThreadPool(10);
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ExecutorService executor = Executors.newFixedThreadPool(10);
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public void execute() {
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public void execute() {
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executor.submit(() -> {
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new Task();
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});
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executor.submit(() -> {
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new Task();
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});
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executor.shutdown();
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executor.shutdownNow();
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try {
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executor.awaitTermination(20l, TimeUnit.NANOSECONDS);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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executor.shutdown();
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executor.shutdownNow();
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try {
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executor.awaitTermination(20l, TimeUnit.NANOSECONDS);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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}
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@ -9,36 +9,36 @@ import java.util.concurrent.TimeoutException;
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public class FutureDemo {
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public String invoke() {
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public String invoke() {
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String str = null;
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String str = null;
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ExecutorService executorService = Executors.newFixedThreadPool(10);
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ExecutorService executorService = Executors.newFixedThreadPool(10);
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Future<String> future = executorService.submit(() -> {
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// Task
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Thread.sleep(10000l);
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return "Hellow world";
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});
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Future<String> future = executorService.submit(() -> {
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// Task
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Thread.sleep(10000l);
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return "Hellow world";
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});
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future.cancel(false);
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future.cancel(false);
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try {
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future.get(20, TimeUnit.SECONDS);
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} catch (InterruptedException | ExecutionException | TimeoutException e1) {
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e1.printStackTrace();
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}
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try {
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future.get(20, TimeUnit.SECONDS);
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} catch (InterruptedException | ExecutionException | TimeoutException e1) {
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e1.printStackTrace();
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}
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if (future.isDone() && !future.isCancelled()) {
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try {
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str = future.get();
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} catch (InterruptedException | ExecutionException e) {
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e.printStackTrace();
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}
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}
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if (future.isDone() && !future.isCancelled()) {
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try {
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str = future.get();
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} catch (InterruptedException | ExecutionException e) {
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e.printStackTrace();
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}
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}
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return str;
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return str;
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}
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}
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}
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@ -4,20 +4,20 @@ import java.util.concurrent.ThreadFactory;
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public class BaeldungThreadFactory implements ThreadFactory {
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private int threadId;
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private String name;
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private int threadId;
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private String name;
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public BaeldungThreadFactory(String name) {
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threadId = 1;
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this.name = name;
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}
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public BaeldungThreadFactory(String name) {
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threadId = 1;
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this.name = name;
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}
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@Override
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public Thread newThread(Runnable r) {
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Thread t = new Thread(r, name + "-Thread_" + threadId);
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System.out.println("created new thread with id : " + threadId + " and name : " + t.getName());
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threadId++;
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return t;
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}
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@Override
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public Thread newThread(Runnable r) {
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Thread t = new Thread(r, name + "-Thread_" + threadId);
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System.out.println("created new thread with id : " + threadId + " and name : " + t.getName());
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threadId++;
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return t;
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}
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}
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@ -2,9 +2,9 @@ package com.baeldung.concurrent.threadfactory;
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public class Task implements Runnable {
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@Override
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public void run() {
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// task details
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}
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@Override
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public void run() {
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// task details
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}
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}
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@ -14,26 +14,25 @@ public class LookupFSJNDI {
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super();
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init();
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}
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private void init() throws NamingException {
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Hashtable<String, String> env = new Hashtable<String, String>();
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env.put (Context.INITIAL_CONTEXT_FACTORY,
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"com.sun.jndi.fscontext.RefFSContextFactory");
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env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");
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// URI to namespace (actual directory)
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env.put(Context.PROVIDER_URL, "file:./src/test/resources");
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ctx = new InitialContext(env);
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}
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public InitialContext getCtx() {
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return ctx;
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}
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public File getFile(String fileName) {
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File file;
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try {
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file = (File)getCtx().lookup(fileName);
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file = (File) getCtx().lookup(fileName);
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} catch (NamingException e) {
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file = null;
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}
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@ -18,13 +18,16 @@ public class User {
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null) return false;
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if (this.getClass() != o.getClass()) return false;
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if (this == o)
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return true;
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if (o == null)
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return false;
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if (this.getClass() != o.getClass())
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return false;
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User user = (User) o;
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return id != user.id && (!name.equals(user.name) && !email.equals(user.email));
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}
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@Override
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public int hashCode() {
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int hash = 7;
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@ -10,7 +10,6 @@ public class JMXTutorialMainlauncher {
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private static final Logger LOG = LoggerFactory.getLogger(JMXTutorialMainlauncher.class);
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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@ -8,9 +8,8 @@ import java.net.*;
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public class EchoClient {
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private static final Logger LOG = LoggerFactory.getLogger(EchoClient.class);
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private Socket clientSocket;
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private PrintWriter out;
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private BufferedReader in;
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@ -1,6 +1,5 @@
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package com.baeldung.stream;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -12,15 +12,10 @@ class StringHelper {
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}
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static String removeLastCharOptional(String s) {
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return Optional.ofNullable(s)
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.filter(str -> str.length() != 0)
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.map(str -> str.substring(0, str.length() - 1))
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.orElse(s);
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return Optional.ofNullable(s).filter(str -> str.length() != 0).map(str -> str.substring(0, str.length() - 1)).orElse(s);
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}
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static String removeLastCharRegexOptional(String s) {
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return Optional.ofNullable(s)
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.map(str -> str.replaceAll(".$", ""))
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.orElse(s);
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return Optional.ofNullable(s).map(str -> str.replaceAll(".$", "")).orElse(s);
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}
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}
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@ -25,11 +25,7 @@ public class MyTokenizer {
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}
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public List<String> getTokensWithCollection(String str) {
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return Collections
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.list(new StringTokenizer(str, ","))
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.stream()
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.map(token -> (String) token)
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.collect(Collectors.toList());
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return Collections.list(new StringTokenizer(str, ",")).stream().map(token -> (String) token).collect(Collectors.toList());
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}
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public List<String> getTokensFromFile(String path, String delim) {
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@ -11,12 +11,12 @@ public class CustomTemporalAdjuster implements TemporalAdjuster {
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@Override
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public Temporal adjustInto(Temporal temporal) {
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switch (DayOfWeek.of(temporal.get(ChronoField.DAY_OF_WEEK))) {
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case FRIDAY:
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return temporal.plus(3, ChronoUnit.DAYS);
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case SATURDAY:
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return temporal.plus(2, ChronoUnit.DAYS);
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default:
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return temporal.plus(1, ChronoUnit.DAYS);
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case FRIDAY:
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return temporal.plus(3, ChronoUnit.DAYS);
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case SATURDAY:
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return temporal.plus(2, ChronoUnit.DAYS);
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default:
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return temporal.plus(1, ChronoUnit.DAYS);
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}
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}
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}
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@ -9,7 +9,6 @@ import java.util.concurrent.atomic.AtomicInteger;
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public class Consumer implements Runnable {
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private static final Logger LOG = LoggerFactory.getLogger(Consumer.class);
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private final TransferQueue<String> transferQueue;
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private final String name;
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private final int numberOfMessagesToConsume;
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@ -15,28 +15,24 @@ public class LongAccumulatorUnitTest {
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@Test
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public void givenLongAccumulator_whenApplyActionOnItFromMultipleThrads_thenShouldProduceProperResult() throws InterruptedException {
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//given
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// given
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ExecutorService executorService = Executors.newFixedThreadPool(8);
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LongBinaryOperator sum = Long::sum;
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LongAccumulator accumulator = new LongAccumulator(sum, 0L);
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int numberOfThreads = 4;
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int numberOfIncrements = 100;
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//when
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Runnable accumulateAction = () -> IntStream
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.rangeClosed(0, numberOfIncrements)
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.forEach(accumulator::accumulate);
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// when
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Runnable accumulateAction = () -> IntStream.rangeClosed(0, numberOfIncrements).forEach(accumulator::accumulate);
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for (int i = 0; i < numberOfThreads; i++) {
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executorService.execute(accumulateAction);
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}
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//then
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// then
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executorService.awaitTermination(500, TimeUnit.MILLISECONDS);
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executorService.shutdown();
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assertEquals(accumulator.get(), 20200);
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}
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}
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@ -24,7 +24,7 @@ public class ApplicationTest {
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@Test
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public void main_NoInputState_TextPrintedToConsole() throws Exception {
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Application.main(new String[]{});
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Application.main(new String[] {});
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assertEquals("User found in the collection", outContent.toString());
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}
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}
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@ -15,7 +15,6 @@ public class LambdaExceptionWrappersUnitTest {
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private static final Logger LOG = LoggerFactory.getLogger(LambdaExceptionWrappersUnitTest.class);
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private List<Integer> integers;
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@Before
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@ -29,12 +29,9 @@ public class ListOfListsUnitTest {
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@Test
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public void givenListOfLists_thenCheckNames() {
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assertEquals("Pen 1", ((Pen) listOfLists.get(0)
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.get(0)).getName());
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assertEquals("Pencil 1", ((Pencil) listOfLists.get(1)
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.get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(2)
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.get(0)).getName());
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assertEquals("Pen 1", ((Pen) listOfLists.get(0).get(0)).getName());
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assertEquals("Pencil 1", ((Pencil) listOfLists.get(1).get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(2).get(0)).getName());
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}
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@SuppressWarnings("unchecked")
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@ -43,11 +40,9 @@ public class ListOfListsUnitTest {
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((ArrayList<Pencil>) listOfLists.get(1)).remove(0);
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listOfLists.remove(1);
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(1)
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.get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(1).get(0)).getName());
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listOfLists.remove(0);
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(0)
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.get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) listOfLists.get(0).get(0)).getName());
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}
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@Test
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@ -67,11 +62,8 @@ public class ListOfListsUnitTest {
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list.add(pencils);
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list.add(rubbers);
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assertEquals("Pen 1", ((Pen) list.get(0)
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.get(0)).getName());
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assertEquals("Pencil 1", ((Pencil) list.get(1)
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.get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) list.get(2)
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.get(0)).getName());
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assertEquals("Pen 1", ((Pen) list.get(0).get(0)).getName());
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assertEquals("Pencil 1", ((Pencil) list.get(1).get(0)).getName());
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assertEquals("Rubber 1", ((Rubber) list.get(2).get(0)).getName());
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}
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}
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@ -13,7 +13,6 @@ public class CoreThreadPoolIntegrationTest {
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private static final Logger LOG = LoggerFactory.getLogger(CoreThreadPoolIntegrationTest.class);
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@Test(timeout = 1000)
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public void whenCallingExecuteWithRunnable_thenRunnableIsExecuted() throws InterruptedException {
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