An algorithm that turns an integer into binary and returns the biggest amount of zeros in the ranges which are between the character “1” of it.

import java.util.*; class Algorithm { public int[] algorithm(int Num) { return Arrays.stream( Integer .toBinaryString(Num) // turn to binary .replaceAll(“(^0+|0+$)”, “”) … More

[Java8] – How to check if all values in an array are equals?

public boolean isAllValuesEquals(int[] Arr ){ if ( Arrays.stream(Arr).distinct().count() == 1 ) { return true; } return false; }

An algorithm which shifts each element of the Array to the right N times.

import java.util.*; class Algorithm { public boolean isEmptyArray(int[] Arr ){ if ( Arr == null || Arr.length == 0) { … More

[Java 8] – Good Card : Default methods, Lambdas, Optional

[Java8] – Threads with lambdas

Example: @Test public void myMethod(){ Runnable run = () -> {System.out.println(“Execute Runnable”);}; new Thread(run).start(); } Console :

[Java 8] – New method Sort in List

Now you can use this method sort when you have a List Object and want sort this. If you only … More

[Java 8] – ForEach for interations

Below you can see an exemple how it works. @Test public void myTestWithForEachOnly(){ // Create the list and itens List<String> … More

Java : Switch

Use switch Statement when you know the possible values and you want do something for each any case. Example : … More

Java 8: Cool example to filter, compare and group by something using lambdas and streams

Example : In this example we take all foods are in a supermarket. We want only available products grouped by … More

Java 8 : How to use findFirst() in Streams API?

You can use this to do any interaction and break the process when find the first conditional. Example Optional<Plate> myFirstVegetarianOptional … More