Array Modifier

import org.w3c.dom.ls.LSOutput;

import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Scanner;

public class Problem2 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int[] numbers = Arrays.stream(scan.nextLine().split(" ")).mapToInt(s -> Integer.parseInt(s)).toArray();

        String command = scan.nextLine();
        while (!"end".equals(command)) {
            String[] commands = command.split(" ");
            command = commands[0];
            switch (command) {
                case "swap":
                    int temp = 0;
                    int indexOne = Integer.parseInt(commands[1]);
                    int indexTwo = Integer.parseInt(commands[2]);
                    for (int i = 0; i < numbers.length ; i++) {
                        if (i == indexOne || i == indexTwo){
                            temp = numbers[indexOne];
                            numbers[indexOne] = numbers[indexTwo];
                            numbers[indexTwo] = temp;
                            break;
                        }
                    }

                    break;
                case "multiply":
                    int indexOneToMultiply = Integer.parseInt(commands[1]);
                    int indexTwoToMultiply = Integer.parseInt(commands[2]);
                    for (int i = 0; i < numbers.length; i++) {
                        if(i == indexOneToMultiply){
                            temp = numbers[i] * numbers[indexTwoToMultiply];
                            numbers[indexOneToMultiply] = temp;
                            break;
                        }else if (i == indexTwoToMultiply){
                            temp = numbers[i] * numbers[indexOneToMultiply];
                            numbers[indexOneToMultiply] = temp;
                            break;
                        }

                    }

                    break;
                case "decrease":
                    for (int i = 0; i < numbers.length; i++) {
                        numbers[i] = numbers[i] -1;
                    }
                    break;
            }
            command = scan.nextLine();
        }

        for (int number : numbers) {
            int lastNumber = numbers[numbers.length - 1];
            if(number == lastNumber){
                System.out.print(number);
                break;
            }
            System.out.print(number + ", ");
        }
    }
}