java - Replace Node in linkedList -



java - Replace Node in linkedList -

i'm trying replace node within linkedlist

like :

public void setnodeat(int i, nodeshape nodetochange) { if(i == 0){ nodetochange.setnextnode(firstnode.getnext()); firstnode = nodetochange; return; } nodeshape previousnode = getnodeat(i - 1); nodeshape stmp = previousnode.getnext().getnext(); nodetochange.setnextnode(stmp); previousnode.setnextnode(nodetochange); }

i don't understand why @ end of method node has next node ...

java replace linked-list

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