magnusram05’s gists

magnusram05 / LambdaExpression.java

Last active November 5, 2019 04:23

Java 8: Lambda Expression, Functional Interface and Stream

	public class ProductUtil {

	private static final Comparator<Product> sortByRatingAscStrategy = (product1, product2) -> {
	if (product1 == null \|\| product2 == null)
	return -1;
	return Double.compare(product1.getRating(), product2.getRating());
	};

	public static void main(String [] args){
	List<Product> productList = new ArrayList<>(2);

magnusram05 / CustomThreadPoolExecutor.java

Created June 30, 2019 09:58

Custom ThreadPoolExecutor

	static class CustomThreadPoolExecutor extends ThreadPoolExecutor {
	CustomThreadPoolExecutor(int corePoolSize,
	int maxPoolSize,
	long keepAliveTime,
	TimeUnit unit,
	BlockingQueue blockingQueue) {
	super(corePoolSize, maxPoolSize, keepAliveTime, unit, blockingQueue,
	SearchThreadFactory.newThreadFactory(),
	new CallerRunsPolicy());
	}

magnusram05 / checkThenAct.js

Created March 8, 2019 04:43

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magnusram05 / RaceConditionDemo.java

Last active October 28, 2019 02:17

Java: Multithreading - Part 2 - RaceCondition

	package org.practice.java.multithreading;
	import java.util.function.*;
	public class RaceConditionDemo {
	public static void main(String [] args){
	while(true){
	handleUserSession();
	}
	}

	static void handleUserSession(){

magnusram05 / RaceConditionDemo.java

Created March 3, 2019 10:08

Java: Multithreading - RaceCondition

	package org.practice.java.multithreading;
	import java.util.function.*;
	public class RaceConditionDemo {
	public static void main(String [] args){
	while(true){
	handleUserSession();
	}
	}

	static void handleUserSession(){

magnusram05 / VisibilityTest.java

Last active February 19, 2019 02:53

Java: Happens-Before relationship testing using synchronized block

	package org.practice.java.multithreading;

	public class VisibilityTest {

	public static void main(String [] args){
	CustomLock lock = new CustomLock();
	Thread thread1 = new Thread1(lock);
	Thread thread2 = new Thread2(lock);
	thread1.start();
	thread2.start();

magnusram05 / OddEvenVolatileFlavor.java

Last active February 18, 2019 03:26

Java: Inter-Thread communication

	/*
	Custom lock with boolean evenProceed=false
	Odd thread prints, sets evenProceed to true, notifies and waits
	Even thread waits in loop checking for the condition evenProceed to be true before proceeding,
	prints, notifies and waits
	*/
	package org.practice.java.multithreading;

	public class OddEvenVolatileFlavor {
	public static void main(String [] args){

magnusram05 / OddEvenCountDownLatchFlavor.java

Last active February 4, 2019 03:37

Java: Inter-thread communication

	package org.practice.java.multithreading;
	import java.util.concurrent.*;

	public class OddEvenCountDownLatchFlavor {
	public static void main(String [] args){
	Object lock = new Object();
	CountDownLatch latch = new CountDownLatch(1);
	Thread oddThread = new OddThread(lock, latch);
	Thread evenThread = new EvenThread(lock, latch);