[JAVA] – How to subscribe all values of an array?

Use the method Arrays.fill(<array>,<value>);` Following an example. import java.util.* int[] myArray = new int[4]; Arrays.fill(myArray, -1); The result of this … 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; }

[Java] – How to concatenate two arrays?

public int[] joinArrays(int[] int1, int[] int2) { int[] result = new int[Arr.length]; System.arraycopy( int1, 0, result, 0, int1.length); System.arraycopy( int2, … More

[Dev] – How to set up “$JAVA_HOME” environment variable on Mac OS X?

For Mac OSX => 10.5 Open the bash_profile file to edit it. $ vim ~/.bash_profile Add into the ~/.bash_profile the … More

[Algorithms] – Find words in reviews of hotels

Problem: Given a set of words and many review of this hotels, you must display the hotels Ids containing in … More

[Algorithms] – The sum of pairs

Problem : Given a set of numbers, you need check if has two numbers in this set that the sum … More

[Algorithms] – Codility Training – BinaryGap

Below is my solution for : https://codility.com/demo/take-sample-test/binary_gap/ public static void main(String[] args) { System.out.println(solution(328)); } public static int solution(int N) … More