java - Singly Linked List Delete Value -

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i making singly linked list need put delete method getting error help?

public void remove(int index) {     getnode(index - 1).next = getnode(index + 1); }

many possible errors can happen here. one, definitively put more verification before making changes if

  • are on first element (then header 2nd element);
  • are on last element (then getnode(index+1) returning correctly null or throwing exception)?

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