Method isElement

/* Return true if the multiset contains 1 or

more instances of item. */

public boolean isElement(int item)

{

int k;

/* Let k be index of leftmost occurrence

of item in list, or currentSize if

item isn't in list. */

list[currentSize] = item;

k = 0;

while ( list[k] != item ) k++;

return k != currentSize;

}

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