Java

URL: https://www.progressiverobot.com/shuffle-array-java/ There are two ways to shuffle an array in Java. Collections.shuffle() Method Random Class 1. Shuffle Array Elements using Collections Class We can create a list from the array and then use the Collections class shuffle() method to shuffle its elements. Then convert the list to the original array. package com.journaldev.examples; import java.util.Arrays; […]

URL: https://www.progressiverobot.com/thread-life-cycle-in-java-thread-states-in-java/ Understanding Thread Life Cycle in Java and Thread States are very important when you are working with Threads and programming for multithreaded environment. From our last tutorial, we can create a [java thread](/community/tutorials/java-thread-example "Java Thread Example – Extending Thread Class and Implementing Runnable Interface") class by implementing Runnable interface or by extending Thread […]

Today we will look into AtomicInteger in Java. Atomic operations are performed in a single unit of task without interference from other operations. Atomic operations are necessity in multi-threaded environment to avoid data inconsistency. AtomicInteger  Let's create a simple multi-threaded program where every thread increments the shared count variable 4 […]

Comparable and Comparator in Java are very useful for sorting the collection of objects. Java provides some inbuilt methods to sort primitive types array or Wrapper classes array or list. Here we will first learn how we can sort an array/list of primitive types and wrapper classes and then we will use java.lang.Comparable and java.util.Comparator […]

In this tutorial, you will learn to write your lambda expressions. You will also learn to use some built-in Lambdas available in the java.util.function package.