get node of the linkedList at given Index

PHOTO EMBED

Thu Sep 09 2021 06:27:33 GMT+0000 (Coordinated Universal Time)

Saved by @prashantkr006 #java

private Node getNodeAt(int idx) throws Exception {
  if(this.size == 0){
    throw new Exception("LinkedList is empty");
  }
  if(idx < 0 || idx >= this.size){
    throw new Exception("Invalid Index");
  }
  
  Node temp = this.head;
  
  for(int i = 1; i <= idx; i++){
    temp = temp.next;
  }
  
  return temp;
}
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