Question: Hand trace an ordered list X through the following operations. X.add(new Integer(4)); X.add(new Integer(7)); Object Y = X.first(); X.add(new Integer(3)); X.add(new Integer(2)); X.add(new Integer(5)); Object

Hand trace an ordered list X through the following operations.
X.add(new Integer(4));
X.add(new Integer(7));
Object Y = X.first();
X.add(new Integer(3));
X.add(new Integer(2));
X.add(new Integer(5));
Object Y = X.removeLast();
Object Y = X.remove(new Integer(7));
X.add(new Integer(9));

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