/***
 * DTU, d. 23.10.01
 * Course 02199, week 8, exercise 23
 * Author: Nikolaj Hjelm Jensen, c971701@student.dtu.dk
 * Translated by: Cecilie, d. 10.09.02
 *
 ***/

public class ArrayUtils {
	public static String arrayToString(int[] a) {
		String str = "[ ";
		for(int i = 0; i < a.length; i++) {
			str += a[i]+" ";
		}
		str += "]";
		return str;
	}

	public static String arrayToString2(int[] a) {
		String str = "["+a[0];
		for(int i = 1; i < a.length; i++) {
			str +=","+a[i];
		}
		str += "]";
		return str;
	}

	public static int occurences(int[] a, int n) {
		int occ = 0;
		for(int i = 0; i < a.length; i++) {
			if(a[i]==n) occ++;
		}
		return occ;
	}
	public static int sum(int[] a) {
		int sum = 0;
		for(int i = 0; i< a.length; i++) {
			sum += a[i];
		}
		return sum;
	}
}