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/**

* Stack diagram exercise.

*/

public class MakeDubMus {

public static int[] make(int n) {

int[] a = new int[n];

for (int i = 0; i < n; i++) {

a[i] = i + 1;

}

return a;

}

public static void dub(int[] jub) {

for (int i = 0; i < jub.length; i++) {

jub[i] *= 2;

}

}

public static int mus(int[] zoo) {

int fus = 0;

for (int i = 0; i < zoo.length; i++) {

fus += zoo[i];

}

return fus;

}

public static void main(String[] args) {

int[] bob = make(5);

dub(bob);

System.out.println(mus(bob));

}

}