import java.util.ArrayList;


public class Stringlist {

	private static ArrayList<String> strl = new ArrayList<String>();

	public static void main(String[] args){
		ausgabe();
		arrayList();

	}

	private static void ausgabe() {
		String s1 = "aaaaa";
		String s2 = "vvvvv";
		String temp = "";
		for(int i =0; i<s1.length();i++) {

			temp +=s1.charAt(i);
			temp +=s2.charAt(i);
			strl.add(temp);
			System.out.println(strl.get(i));
		}
		if(s1.equals(s2)) {
			System.out.println(true);
		} else {
			System.out.println(false);
		}
	}
	private static void arrayList() {

		int[] numbers = { 2, 3, 12 };

		int d = durchschnitt(numbers);
		System.out.println("Durchschnitt von numbers: "+d);


		int[] arr1 = {3,4,6,1,10};
		int[] arr2;
		String[] stringarr = new String[10];
		arr2 = arr1;
		System.out.println(arr1.equals(arr2));
		arr2[2] = arr2[2]+arr1[2];
		arr2[0] =10;
		System.out.println("Arraylänge: " +arr2.length);
		System.out.println("Arraywerte: " +arr1);
	}
	private static int durchschnitt(int[] arr) {

		int sum = 0;
		for(int i=0; i<arr.length;i++) {
			sum+=arr[i];
		}

		return (sum/arr.length);

	}
}