avraamisvi

import java.util.Deque;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Objects;

public class Groups{

    static class Group {
        final Character close;
        final Character open;

avraamisvi

package com.company;

class RowSumOddNumbers {
    public static int rowSumOddNumbers(int n) {
        return sum(lastElement(n)) - sum(lastElement(n - 1));
    }

    private static int lastElement(int n) {
        return ((n * n) + (n - 1));
    }

avraamisvi

package com.company;

import java.util.Arrays;
import java.util.function.IntPredicate;

public class FindOutlier{
    enum Filter {
        EVEN((i) -> mod(i) == 0), ODD((i) -> mod(i) > 0);

        IntPredicate validator;

avraamisvi

package com.company;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class DeleteNth {

    public static int[] deleteNth(int[] elements, int maxOccurrences) {

avraamisvi

import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

 /** com um array e wai e notify */
public class ProducerConsumer {

	static class Producer implements Runnable {
		
		private int[] items;