AVL tree rotation in Java

Question

I want to implement the Java AVL tree and to rotate the tree left and right. I am not getting this.

Can anybody by looking at the code below tell me how can I possibly r

Answer 1

in order to rotate it right you need to first check if the parent is not root then if the parent is the right of the grand parent if so, set the right of the grand parent to the child else, set the left of the gran parent to the child

otherwise, root is child