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Fix for Issue #771. position=size causes NPE

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This commit is contained in:
Abhijay Kumar
2019-05-29 16:53:42 +05:30
parent 163db8521a
commit 1dbbb23cfd
1 changed files with 4 additions and 5 deletions
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9
DataStructures/Lists/SinglyLinkedList.java
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@ -66,13 +66,12 @@ class SinglyLinkedList {
} }
/** /**
* This method deletes an element at Nth position * This method deletes an element at Nth position
*/ */
public void deleteNth(int position) { public void deleteNth(int position) {
if (position < 0 || position > getSize()) { if (position < 0 || position >= getSize()) {
throw new RuntimeException("position less than zero or position more than the count of list"); throw new RuntimeException("position less than zero or position more than the count of list");
} } else if (position == 0)
else if (position == 0)
deleteHead(); deleteHead();
else { else {
Node cur = head; Node cur = head;