public class SumOfCouples {
    public static void main(String[] args) {
        int[] arr1 = {5, 2, 3, 4, 7, 6 };
        int num = 8;
        for (int i = 0 ; i < arr1.length;i++){
            for (int j=i+1; j <arr1.length;j++){
                if(arr1[i]+arr1[j]==num){
                    System.out.println(arr1[i]+"+"+arr1[j]);
                }
            }
        }


    }
}

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;

public class ShuffleNames {
    public static void main(String[] args) {
        ArrayList<String> names = new ArrayList<>();
        Scanner scan = new Scanner(System.in);


            while (true){
                System.out.println("Въведете име или празен стринг за край:");
                String name = scan.nextLine();
                if (names.isEmpty()){
                    break;
                }

        }
        System.out.println(names);
        Collections.shuffle(names);
        System.out.println(names);
        Collections.sort(names);
        System.out.println(names);
    }
}
import java.util.ArrayList;
import java.util.Arrays;

public class ListRemoveOdd {
    public static void main(String[] args) {
        ArrayList<Integer> numbers = new ArrayList<>(Arrays.asList(5,7,3,8,7,2,1,5,7,2));
        for (int i = numbers.size()-1; i>=0;i--){
            if((i+1)%2!=0){

                numbers.remove(i);
            }

        }
        System.out.println(numbers);
    }
}

import java.util.ArrayList;
import java.util.Arrays;

public class ListEquals {
    public static void main(String[] args) {
        ArrayList<Integer> numbers = new ArrayList<>(Arrays.asList(5,7 , 3 , 8));
        ArrayList<Integer> numbers2 = new ArrayList<>(Arrays.asList(5,7,3,8));

        if(numbers.equals(numbers2)){
            System.out.println("The lists are equal");
        }
        else
            System.out.println("The lists aren't equal");


    }
}

import java.util.ArrayList;
import java.util.Arrays;

public class FindListElement {
    public static void main(String[] args) {
        ArrayList<Integer> numbers = new ArrayList<>(Arrays.asList(5,7 , 3 , 8));
        int num = 11;
        System.out.println(numbers.indexOf(num));


        }

    }

public class Equals {
    public static void main(String[] args) {
        int[] arr1 = {5, 7, 3};
        int[] arr2 = {5, 6, 3};
        boolean equals = true;
        for (int i = 0; i < arr1.length; i++) {
            if (arr1[i] == arr2[i]) {
                continue;
            } else {
                equals = false;
                break;
            }

        }
        if (equals = true) {
            System.out.println("Masivite sa ednakvi");
        }
        else
            System.out.println("Masiite ne sa ednakvi");
    }
}

public class RemoveOddElement {
    public static void main(String[] args) {
        int[] arr1 = {5, 2, 3, 4, 7, 6, 2 };
        int[] arrHolder = new int[arr1.length/2];
        for(int i = 0 ; i <arrHolder.length ; i++){
            arrHolder[i]= arr1[(i <<1) +1];
            System.out.print(arrHolder[i] + " ,");
        }

    }
}

import java.util.ArrayList;
import java.util.List;

public class ListSum {
    public static void main(String[] args) {
        ArrayList<Integer> numbers = new ArrayList<>();
        numbers.add(5);
        numbers.add(3);
        numbers.add(7);
        int sum =0;
        for (int i = 0; i<numbers.size(); i++){
            sum += numbers.get(i);
        }
        System.out.println(sum);

        }
}