Which of the following would not be an alternate way to write remove() method?

public T remove() { T result = removeEntry(getIndexOf(null)); return result; }
  • public T remove() { return removeEntry(numberOfEntries-1); }
  • public T remove() { T result = null; if (numberOfEntries > 0) { result = contents[numberOfEntries -1]; contents[numberOfEntries - 1] = null; numberOfEntries--; } return result; }
  • public T remove() { T result = removeEntry(numberOfEntries-1); return result; }

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