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Update LinkedListMultiSet.java #1

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Update LinkedListMultiSet.java #1

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32 changes: 27 additions & 5 deletions src/LinkedListMultiSet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,23 +25,45 @@ public void add(int item) {
}

public void remove(int item) {

Node cur = front;
Node prev;
while (cur != null) {
if (cur.item == item) {
size -= 1;
if (prev != null) {
prev.next = cur.next;
} else {
front = cur.next;
} return;
} prev, cur = cur, cur.next;
} return;
}

public boolean contains(int item) {
return false;
Node cur = front;
while (cur != null) {
if (cur.item == item) {
return true;
} cur = cur.next;
} return false;
}

public boolean isEmpty() {
return false;
return front instanceof Node;
}


public int count(int item) {
return -1;
int num_seen;
Node cur = front;
while (cur != null) {
if (cur.item == item) {
num_seen += 1
} cur = cur.next
} return num_seen;
}

public int size() {
return -1;
return size;
}
}